/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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 20:53:21,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 20:53:21,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 20:53:21,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 20:53:21,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 20:53:21,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 20:53:21,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 20:53:21,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 20:53:21,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 20:53:21,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 20:53:21,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 20:53:21,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 20:53:21,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 20:53:21,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 20:53:21,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 20:53:21,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 20:53:21,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 20:53:21,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 20:53:21,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 20:53:21,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 20:53:21,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 20:53:21,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 20:53:21,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 20:53:21,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 20:53:21,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 20:53:21,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 20:53:21,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 20:53:21,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 20:53:21,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 20:53:21,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 20:53:21,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 20:53:21,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 20:53:21,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 20:53:21,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 20:53:21,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 20:53:21,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 20:53:21,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 20:53:21,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 20:53:21,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 20:53:21,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 20:53:21,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 20:53:21,901 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 [2022-10-15 20:53:21,935 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 20:53:21,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 20:53:21,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 20:53:21,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 20:53:21,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 20:53:21,937 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 20:53:21,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 20:53:21,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 20:53:21,939 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 20:53:21,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 20:53:21,940 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 20:53:21,940 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 20:53:21,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 20:53:21,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 20:53:21,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 20:53:21,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 20:53:21,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 20:53:21,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 20:53:21,942 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 20:53:21,943 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 20:53:21,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 20:53:21,943 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 20:53:21,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 20:53:21,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 20:53:21,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 20:53:21,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 20:53:21,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 20:53:21,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 20:53:21,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 20:53:21,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 20:53:21,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 20:53:21,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 20:53:21,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 20:53:21,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 20:53:22,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 20:53:22,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 20:53:22,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 20:53:22,384 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 20:53:22,384 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 20:53:22,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-10-15 20:53:22,481 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27181474f/3174da8dc90d44dc97c7d47bd555d065/FLAG5bc8aeb08 [2022-10-15 20:53:23,664 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 20:53:23,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-10-15 20:53:23,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27181474f/3174da8dc90d44dc97c7d47bd555d065/FLAG5bc8aeb08 [2022-10-15 20:53:23,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27181474f/3174da8dc90d44dc97c7d47bd555d065 [2022-10-15 20:53:23,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 20:53:23,969 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 20:53:23,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 20:53:23,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 20:53:23,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 20:53:23,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:53:23" (1/1) ... [2022-10-15 20:53:23,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fcb4f74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:53:23, skipping insertion in model container [2022-10-15 20:53:23,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:53:23" (1/1) ... [2022-10-15 20:53:23,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 20:53:24,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 20:53:28,540 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2022-10-15 20:53:28,541 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2022-10-15 20:53:28,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 20:53:28,619 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 20:53:29,141 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415292,415305] [2022-10-15 20:53:29,143 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i[415437,415450] [2022-10-15 20:53:29,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 20:53:29,542 INFO L208 MainTranslator]: Completed translation [2022-10-15 20:53:29,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:53:29 WrapperNode [2022-10-15 20:53:29,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 20:53:29,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 20:53:29,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 20:53:29,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 20:53:29,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:53:29" (1/1) ... [2022-10-15 20:53:29,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:53:29" (1/1) ... [2022-10-15 20:53:30,067 INFO L138 Inliner]: procedures = 562, calls = 2384, calls flagged for inlining = 265, calls inlined = 187, statements flattened = 4584 [2022-10-15 20:53:30,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 20:53:30,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 20:53:30,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 20:53:30,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 20:53:30,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:53:29" (1/1) ... [2022-10-15 20:53:30,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:53:29" (1/1) ... [2022-10-15 20:53:30,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:53:29" (1/1) ... [2022-10-15 20:53:30,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:53:29" (1/1) ... [2022-10-15 20:53:30,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:53:29" (1/1) ... [2022-10-15 20:53:30,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:53:29" (1/1) ... [2022-10-15 20:53:30,367 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:53:29" (1/1) ... [2022-10-15 20:53:30,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:53:29" (1/1) ... [2022-10-15 20:53:30,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 20:53:30,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 20:53:30,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 20:53:30,451 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 20:53:30,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:53:29" (1/1) ... [2022-10-15 20:53:30,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 20:53:30,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:53:30,498 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) [2022-10-15 20:53:30,525 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 [2022-10-15 20:53:30,590 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2022-10-15 20:53:30,590 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2022-10-15 20:53:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-15 20:53:30,591 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-15 20:53:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-10-15 20:53:30,591 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-10-15 20:53:30,591 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-10-15 20:53:30,592 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-10-15 20:53:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 20:53:30,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 20:53:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2022-10-15 20:53:30,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2022-10-15 20:53:30,592 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2022-10-15 20:53:30,593 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2022-10-15 20:53:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-10-15 20:53:30,593 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-10-15 20:53:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2022-10-15 20:53:30,593 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2022-10-15 20:53:30,593 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-15 20:53:30,594 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-15 20:53:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2022-10-15 20:53:30,594 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2022-10-15 20:53:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-10-15 20:53:30,594 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-10-15 20:53:30,594 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2022-10-15 20:53:30,595 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2022-10-15 20:53:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2022-10-15 20:53:30,595 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2022-10-15 20:53:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2022-10-15 20:53:30,595 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2022-10-15 20:53:30,595 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-10-15 20:53:30,596 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-10-15 20:53:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2022-10-15 20:53:30,596 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2022-10-15 20:53:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2022-10-15 20:53:30,596 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2022-10-15 20:53:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-10-15 20:53:30,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-10-15 20:53:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-10-15 20:53:30,597 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-10-15 20:53:30,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-15 20:53:30,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-15 20:53:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2022-10-15 20:53:30,598 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2022-10-15 20:53:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 20:53:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-10-15 20:53:30,598 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-10-15 20:53:30,598 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2022-10-15 20:53:30,599 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2022-10-15 20:53:30,599 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2022-10-15 20:53:30,600 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2022-10-15 20:53:30,600 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-10-15 20:53:30,600 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-10-15 20:53:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2022-10-15 20:53:30,601 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2022-10-15 20:53:30,601 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-10-15 20:53:30,602 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-10-15 20:53:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-10-15 20:53:30,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-10-15 20:53:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-10-15 20:53:30,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-10-15 20:53:30,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-15 20:53:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-10-15 20:53:30,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-10-15 20:53:30,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 20:53:30,604 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-10-15 20:53:30,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-10-15 20:53:30,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-10-15 20:53:30,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-10-15 20:53:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2022-10-15 20:53:30,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2022-10-15 20:53:30,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-10-15 20:53:30,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-10-15 20:53:30,607 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-10-15 20:53:30,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-10-15 20:53:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2022-10-15 20:53:30,608 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2022-10-15 20:53:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2022-10-15 20:53:30,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2022-10-15 20:53:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-10-15 20:53:30,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-10-15 20:53:30,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 20:53:30,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-10-15 20:53:30,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-10-15 20:53:30,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 20:53:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-10-15 20:53:30,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-10-15 20:53:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 20:53:30,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-10-15 20:53:30,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-10-15 20:53:30,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-10-15 20:53:30,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-10-15 20:53:30,612 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2022-10-15 20:53:30,612 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2022-10-15 20:53:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-10-15 20:53:30,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-10-15 20:53:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 20:53:30,613 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 20:53:30,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-10-15 20:53:30,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-10-15 20:53:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-10-15 20:53:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-10-15 20:53:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2022-10-15 20:53:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2022-10-15 20:53:30,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 20:53:30,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 20:53:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_netif_exit_20_2 [2022-10-15 20:53:30,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_netif_exit_20_2 [2022-10-15 20:53:30,615 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-15 20:53:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-15 20:53:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 20:53:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 20:53:30,616 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2022-10-15 20:53:30,616 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2022-10-15 20:53:30,617 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-10-15 20:53:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-10-15 20:53:30,617 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2022-10-15 20:53:30,617 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2022-10-15 20:53:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-10-15 20:53:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-10-15 20:53:30,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-10-15 20:53:30,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-10-15 20:53:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-10-15 20:53:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-10-15 20:53:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-10-15 20:53:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-10-15 20:53:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-10-15 20:53:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-10-15 20:53:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-10-15 20:53:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-10-15 20:53:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2022-10-15 20:53:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2022-10-15 20:53:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-10-15 20:53:30,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-10-15 20:53:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 20:53:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2022-10-15 20:53:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2022-10-15 20:53:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2022-10-15 20:53:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2022-10-15 20:53:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2022-10-15 20:53:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2022-10-15 20:53:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 20:53:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-10-15 20:53:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-10-15 20:53:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2022-10-15 20:53:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2022-10-15 20:53:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2022-10-15 20:53:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2022-10-15 20:53:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 20:53:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-10-15 20:53:30,635 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-10-15 20:53:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2022-10-15 20:53:30,635 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2022-10-15 20:53:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2022-10-15 20:53:30,635 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2022-10-15 20:53:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-10-15 20:53:30,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-10-15 20:53:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-10-15 20:53:30,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-10-15 20:53:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-10-15 20:53:30,636 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-10-15 20:53:30,636 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2022-10-15 20:53:30,637 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2022-10-15 20:53:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-10-15 20:53:30,637 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-10-15 20:53:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2022-10-15 20:53:30,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2022-10-15 20:53:30,637 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-10-15 20:53:30,637 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-10-15 20:53:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2022-10-15 20:53:30,638 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2022-10-15 20:53:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-10-15 20:53:30,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-10-15 20:53:30,638 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-10-15 20:53:30,638 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-10-15 20:53:30,639 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-10-15 20:53:30,639 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-10-15 20:53:30,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-10-15 20:53:30,639 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-10-15 20:53:30,639 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2022-10-15 20:53:30,639 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2022-10-15 20:53:30,639 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-10-15 20:53:30,640 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-10-15 20:53:30,640 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 20:53:30,640 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 20:53:30,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2022-10-15 20:53:30,640 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2022-10-15 20:53:30,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 20:53:30,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 20:53:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 20:53:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-10-15 20:53:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-10-15 20:53:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2022-10-15 20:53:30,641 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2022-10-15 20:53:30,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2022-10-15 20:53:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2022-10-15 20:53:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-10-15 20:53:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-10-15 20:53:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-10-15 20:53:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-10-15 20:53:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2022-10-15 20:53:30,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2022-10-15 20:53:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2022-10-15 20:53:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2022-10-15 20:53:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-10-15 20:53:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-10-15 20:53:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-10-15 20:53:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-10-15 20:53:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-10-15 20:53:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-10-15 20:53:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2022-10-15 20:53:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2022-10-15 20:53:30,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2022-10-15 20:53:30,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2022-10-15 20:53:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 20:53:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-10-15 20:53:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-10-15 20:53:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-10-15 20:53:30,645 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-10-15 20:53:30,645 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-10-15 20:53:30,646 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-10-15 20:53:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2022-10-15 20:53:30,646 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2022-10-15 20:53:30,646 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2022-10-15 20:53:30,646 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2022-10-15 20:53:31,549 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 20:53:31,554 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 20:53:31,793 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 20:53:40,145 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-10-15 20:53:40,381 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 20:53:40,403 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 20:53:40,403 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 20:53:40,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:53:40 BoogieIcfgContainer [2022-10-15 20:53:40,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 20:53:40,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 20:53:40,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 20:53:40,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 20:53:40,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:53:23" (1/3) ... [2022-10-15 20:53:40,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8cd8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:53:40, skipping insertion in model container [2022-10-15 20:53:40,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:53:29" (2/3) ... [2022-10-15 20:53:40,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8cd8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:53:40, skipping insertion in model container [2022-10-15 20:53:40,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:53:40" (3/3) ... [2022-10-15 20:53:40,420 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-10-15 20:53:40,444 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 20:53:40,444 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2022-10-15 20:53:40,557 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 20:53:40,566 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;@187a650a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 20:53:40,567 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2022-10-15 20:53:40,579 INFO L276 IsEmpty]: Start isEmpty. Operand has 1719 states, 1143 states have (on average 1.2965879265091864) internal successors, (1482), 1201 states have internal predecessors, (1482), 431 states have call successors, (431), 106 states have call predecessors, (431), 105 states have return successors, (426), 425 states have call predecessors, (426), 426 states have call successors, (426) [2022-10-15 20:53:40,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2022-10-15 20:53:40,628 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:53:40,634 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:53:40,635 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [xennet_release_tx_bufsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xennet_release_tx_bufsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-15 20:53:40,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:53:40,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1410238561, now seen corresponding path program 1 times [2022-10-15 20:53:40,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:53:40,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545011844] [2022-10-15 20:53:40,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:53:40,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:53:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:53:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:53:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:53:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:53:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:53:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:53:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:53:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:53:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:53:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-15 20:53:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 20:53:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-15 20:53:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-15 20:53:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-15 20:53:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-15 20:53:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 20:53:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-15 20:53:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-15 20:53:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-15 20:53:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-15 20:53:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-10-15 20:53:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-10-15 20:53:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-10-15 20:53:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:42,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-15 20:53:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:43,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:43,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-15 20:53:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:43,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:43,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-10-15 20:53:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:43,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:43,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-10-15 20:53:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:43,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:43,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-10-15 20:53:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:43,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:43,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-10-15 20:53:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:43,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:43,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-10-15 20:53:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:43,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-10-15 20:53:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:43,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3741 trivial. 0 not checked. [2022-10-15 20:53:43,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:53:43,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545011844] [2022-10-15 20:53:43,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545011844] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:53:43,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:53:43,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 20:53:43,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259876545] [2022-10-15 20:53:43,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:53:43,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 20:53:43,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:53:43,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 20:53:43,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 20:53:43,306 INFO L87 Difference]: Start difference. First operand has 1719 states, 1143 states have (on average 1.2965879265091864) internal successors, (1482), 1201 states have internal predecessors, (1482), 431 states have call successors, (431), 106 states have call predecessors, (431), 105 states have return successors, (426), 425 states have call predecessors, (426), 426 states have call successors, (426) Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-10-15 20:53:49,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:53:49,330 INFO L93 Difference]: Finished difference Result 5168 states and 7150 transitions. [2022-10-15 20:53:49,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 20:53:49,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 351 [2022-10-15 20:53:49,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:53:49,411 INFO L225 Difference]: With dead ends: 5168 [2022-10-15 20:53:49,412 INFO L226 Difference]: Without dead ends: 3426 [2022-10-15 20:53:49,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 20:53:49,443 INFO L413 NwaCegarLoop]: 2495 mSDtfsCounter, 2914 mSDsluCounter, 2335 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 1277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3295 SdHoareTripleChecker+Valid, 4830 SdHoareTripleChecker+Invalid, 3129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1277 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-10-15 20:53:49,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3295 Valid, 4830 Invalid, 3129 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1277 Valid, 1852 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-10-15 20:53:49,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3426 states. [2022-10-15 20:53:49,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3426 to 3198. [2022-10-15 20:53:49,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3198 states, 2187 states have (on average 1.2898948331047095) internal successors, (2821), 2264 states have internal predecessors, (2821), 766 states have call successors, (766), 206 states have call predecessors, (766), 205 states have return successors, (766), 760 states have call predecessors, (766), 766 states have call successors, (766) [2022-10-15 20:53:49,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3198 states to 3198 states and 4353 transitions. [2022-10-15 20:53:49,891 INFO L78 Accepts]: Start accepts. Automaton has 3198 states and 4353 transitions. Word has length 351 [2022-10-15 20:53:49,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:53:49,895 INFO L495 AbstractCegarLoop]: Abstraction has 3198 states and 4353 transitions. [2022-10-15 20:53:49,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-10-15 20:53:49,896 INFO L276 IsEmpty]: Start isEmpty. Operand 3198 states and 4353 transitions. [2022-10-15 20:53:49,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2022-10-15 20:53:49,919 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:53:49,920 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 30, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:53:49,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 20:53:49,921 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ERR_PTRErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [xennet_release_tx_bufsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xennet_release_tx_bufsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-15 20:53:49,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:53:49,921 INFO L85 PathProgramCache]: Analyzing trace with hash -460950765, now seen corresponding path program 1 times [2022-10-15 20:53:49,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:53:49,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40437683] [2022-10-15 20:53:49,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:53:49,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:53:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:53:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:53:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:53:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:53:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:53:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:53:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:53:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:53:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:53:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-15 20:53:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 20:53:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-15 20:53:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-15 20:53:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-15 20:53:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-15 20:53:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 20:53:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-15 20:53:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-15 20:53:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:50,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-15 20:53:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-15 20:53:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-10-15 20:53:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-10-15 20:53:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-10-15 20:53:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-15 20:53:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-15 20:53:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-10-15 20:53:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-10-15 20:53:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-10-15 20:53:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-10-15 20:53:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-10-15 20:53:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-10-15 20:53:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-10-15 20:53:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-10-15 20:53:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:51,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4098 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4098 trivial. 0 not checked. [2022-10-15 20:53:51,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:53:51,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40437683] [2022-10-15 20:53:51,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40437683] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:53:51,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:53:51,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 20:53:51,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535431460] [2022-10-15 20:53:51,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:53:51,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 20:53:51,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:53:51,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 20:53:51,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 20:53:51,334 INFO L87 Difference]: Start difference. First operand 3198 states and 4353 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-10-15 20:53:55,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:53:55,828 INFO L93 Difference]: Finished difference Result 8388 states and 11499 transitions. [2022-10-15 20:53:55,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 20:53:55,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 370 [2022-10-15 20:53:55,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:53:55,879 INFO L225 Difference]: With dead ends: 8388 [2022-10-15 20:53:55,879 INFO L226 Difference]: Without dead ends: 5253 [2022-10-15 20:53:55,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 20:53:55,903 INFO L413 NwaCegarLoop]: 2306 mSDtfsCounter, 1895 mSDsluCounter, 2306 mSDsCounter, 0 mSdLazyCounter, 1618 mSolverCounterSat, 853 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2130 SdHoareTripleChecker+Valid, 4612 SdHoareTripleChecker+Invalid, 2471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 853 IncrementalHoareTripleChecker+Valid, 1618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-15 20:53:55,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2130 Valid, 4612 Invalid, 2471 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [853 Valid, 1618 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-15 20:53:55,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5253 states. [2022-10-15 20:53:56,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5253 to 4877. [2022-10-15 20:53:56,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4877 states, 3375 states have (on average 1.2909629629629629) internal successors, (4357), 3462 states have internal predecessors, (4357), 1141 states have call successors, (1141), 322 states have call predecessors, (1141), 321 states have return successors, (1141), 1133 states have call predecessors, (1141), 1141 states have call successors, (1141) [2022-10-15 20:53:56,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 4877 states and 6639 transitions. [2022-10-15 20:53:56,347 INFO L78 Accepts]: Start accepts. Automaton has 4877 states and 6639 transitions. Word has length 370 [2022-10-15 20:53:56,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:53:56,349 INFO L495 AbstractCegarLoop]: Abstraction has 4877 states and 6639 transitions. [2022-10-15 20:53:56,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-10-15 20:53:56,350 INFO L276 IsEmpty]: Start isEmpty. Operand 4877 states and 6639 transitions. [2022-10-15 20:53:56,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2022-10-15 20:53:56,365 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:53:56,366 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 30, 30, 30, 30, 30, 30, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:53:56,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 20:53:56,367 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ERR_PTRErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [xennet_release_tx_bufsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xennet_release_tx_bufsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-15 20:53:56,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:53:56,367 INFO L85 PathProgramCache]: Analyzing trace with hash 175793528, now seen corresponding path program 1 times [2022-10-15 20:53:56,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:53:56,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073894829] [2022-10-15 20:53:56,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:53:56,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:53:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:56,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:53:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:56,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:53:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:53:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:53:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:53:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:53:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:53:57,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:53:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:53:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-15 20:53:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 20:53:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-15 20:53:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-15 20:53:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-15 20:53:57,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-15 20:53:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 20:53:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-15 20:53:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-15 20:53:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-15 20:53:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-15 20:53:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-10-15 20:53:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-10-15 20:53:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-10-15 20:53:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-15 20:53:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-15 20:53:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-10-15 20:53:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-10-15 20:53:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-10-15 20:53:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-10-15 20:53:57,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-10-15 20:53:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-10-15 20:53:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-10-15 20:53:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-10-15 20:53:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-10-15 20:53:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-10-15 20:53:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-10-15 20:53:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-10-15 20:53:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-10-15 20:53:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-10-15 20:53:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:53:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-10-15 20:53:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:53:57,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4438 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4435 trivial. 0 not checked. [2022-10-15 20:53:57,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:53:57,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073894829] [2022-10-15 20:53:57,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073894829] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:53:57,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:53:57,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 20:53:57,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440035086] [2022-10-15 20:53:57,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:53:57,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 20:53:57,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:53:57,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 20:53:57,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 20:53:57,902 INFO L87 Difference]: Start difference. First operand 4877 states and 6639 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-10-15 20:54:02,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:54:02,270 INFO L93 Difference]: Finished difference Result 11914 states and 16333 transitions. [2022-10-15 20:54:02,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 20:54:02,271 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 438 [2022-10-15 20:54:02,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:54:02,331 INFO L225 Difference]: With dead ends: 11914 [2022-10-15 20:54:02,331 INFO L226 Difference]: Without dead ends: 7100 [2022-10-15 20:54:02,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 20:54:02,361 INFO L413 NwaCegarLoop]: 3236 mSDtfsCounter, 1553 mSDsluCounter, 2775 mSDsCounter, 0 mSdLazyCounter, 1631 mSolverCounterSat, 644 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1787 SdHoareTripleChecker+Valid, 6011 SdHoareTripleChecker+Invalid, 2275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 644 IncrementalHoareTripleChecker+Valid, 1631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-15 20:54:02,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1787 Valid, 6011 Invalid, 2275 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [644 Valid, 1631 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-10-15 20:54:02,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7100 states. [2022-10-15 20:54:02,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7100 to 6552. [2022-10-15 20:54:02,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6552 states, 4559 states have (on average 1.2917306426847992) internal successors, (5889), 4656 states have internal predecessors, (5889), 1516 states have call successors, (1516), 438 states have call predecessors, (1516), 437 states have return successors, (1516), 1506 states have call predecessors, (1516), 1516 states have call successors, (1516) [2022-10-15 20:54:02,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6552 states to 6552 states and 8921 transitions. [2022-10-15 20:54:02,832 INFO L78 Accepts]: Start accepts. Automaton has 6552 states and 8921 transitions. Word has length 438 [2022-10-15 20:54:02,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:54:02,834 INFO L495 AbstractCegarLoop]: Abstraction has 6552 states and 8921 transitions. [2022-10-15 20:54:02,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (43), 3 states have call predecessors, (43), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-10-15 20:54:02,836 INFO L276 IsEmpty]: Start isEmpty. Operand 6552 states and 8921 transitions. [2022-10-15 20:54:02,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2022-10-15 20:54:02,863 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:54:02,864 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:54:02,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 20:54:02,865 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting xennet_alloc_rx_buffersErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [xennet_release_tx_bufsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, xennet_release_tx_bufsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, lowmem_page_addressErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-15 20:54:02,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:54:02,866 INFO L85 PathProgramCache]: Analyzing trace with hash -130713356, now seen corresponding path program 1 times [2022-10-15 20:54:02,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:54:02,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287345064] [2022-10-15 20:54:02,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:54:02,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:54:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:54:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 20:54:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 20:54:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-10-15 20:54:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-15 20:54:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:54:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-10-15 20:54:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-15 20:54:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-15 20:54:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-10-15 20:54:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 20:54:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-10-15 20:54:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-10-15 20:54:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-15 20:54:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-10-15 20:54:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:03,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 20:54:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-10-15 20:54:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-10-15 20:54:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:04,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-10-15 20:54:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-10-15 20:54:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-10-15 20:54:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-10-15 20:54:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-10-15 20:54:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-15 20:54:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-15 20:54:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-10-15 20:54:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-10-15 20:54:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-10-15 20:54:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-10-15 20:54:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-10-15 20:54:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-10-15 20:54:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-15 20:54:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 20:54:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-10-15 20:54:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-10-15 20:54:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-10-15 20:54:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-10-15 20:54:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-10-15 20:54:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-10-15 20:54:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-10-15 20:54:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-10-15 20:54:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-10-15 20:54:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:54:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-10-15 20:54:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-10-15 20:54:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-10-15 20:54:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-10-15 20:54:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-10-15 20:54:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-10-15 20:54:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-10-15 20:54:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-10-15 20:54:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-10-15 20:54:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:54:04,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3777 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3777 trivial. 0 not checked. [2022-10-15 20:54:04,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:54:04,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287345064] [2022-10-15 20:54:04,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287345064] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:54:04,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:54:04,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 20:54:04,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820502270] [2022-10-15 20:54:04,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:54:04,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 20:54:04,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:54:04,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 20:54:04,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 20:54:04,801 INFO L87 Difference]: Start difference. First operand 6552 states and 8921 transitions. Second operand has 6 states, 6 states have (on average 25.0) internal successors, (150), 3 states have internal predecessors, (150), 4 states have call successors, (57), 5 states have call predecessors, (57), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55)