./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1cfa724a0e5488a49a255704f489ef5170fce458d5f4c6e72fccac09d818b317 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 11:25:10,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 11:25:10,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 11:25:11,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 11:25:11,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 11:25:11,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 11:25:11,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 11:25:11,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 11:25:11,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 11:25:11,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 11:25:11,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 11:25:11,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 11:25:11,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 11:25:11,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 11:25:11,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 11:25:11,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 11:25:11,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 11:25:11,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 11:25:11,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 11:25:11,057 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 11:25:11,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 11:25:11,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 11:25:11,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 11:25:11,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 11:25:11,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 11:25:11,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 11:25:11,066 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 11:25:11,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 11:25:11,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 11:25:11,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 11:25:11,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 11:25:11,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 11:25:11,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 11:25:11,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 11:25:11,074 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 11:25:11,074 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 11:25:11,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 11:25:11,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 11:25:11,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 11:25:11,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 11:25:11,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 11:25:11,077 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 11:25:11,108 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 11:25:11,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 11:25:11,109 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 11:25:11,109 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 11:25:11,110 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 11:25:11,110 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 11:25:11,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 11:25:11,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 11:25:11,111 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 11:25:11,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 11:25:11,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 11:25:11,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 11:25:11,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 11:25:11,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 11:25:11,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 11:25:11,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 11:25:11,113 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 11:25:11,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 11:25:11,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 11:25:11,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 11:25:11,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 11:25:11,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 11:25:11,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 11:25:11,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 11:25:11,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 11:25:11,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 11:25:11,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 11:25:11,115 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 11:25:11,115 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 11:25:11,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 11:25:11,116 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 11:25:11,117 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cfa724a0e5488a49a255704f489ef5170fce458d5f4c6e72fccac09d818b317 [2021-12-18 11:25:11,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 11:25:11,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 11:25:11,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 11:25:11,361 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 11:25:11,363 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 11:25:11,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-12-18 11:25:11,431 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/988c08287/3a4d3b6b13784847b762adcd9185246c/FLAG3b356a811 [2021-12-18 11:25:12,284 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 11:25:12,286 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-12-18 11:25:12,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/988c08287/3a4d3b6b13784847b762adcd9185246c/FLAG3b356a811 [2021-12-18 11:25:12,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/988c08287/3a4d3b6b13784847b762adcd9185246c [2021-12-18 11:25:12,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 11:25:12,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 11:25:12,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 11:25:12,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 11:25:12,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 11:25:12,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:25:12" (1/1) ... [2021-12-18 11:25:12,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90f37a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:25:12, skipping insertion in model container [2021-12-18 11:25:12,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:25:12" (1/1) ... [2021-12-18 11:25:12,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 11:25:12,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 11:25:17,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[522832,522845] [2021-12-18 11:25:17,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[522979,522992] [2021-12-18 11:25:17,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[523118,523131] [2021-12-18 11:25:17,207 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[523276,523289] [2021-12-18 11:25:17,279 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 11:25:17,346 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 11:25:17,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[522832,522845] [2021-12-18 11:25:17,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[522979,522992] [2021-12-18 11:25:17,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[523118,523131] [2021-12-18 11:25:17,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i[523276,523289] [2021-12-18 11:25:17,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 11:25:18,111 INFO L208 MainTranslator]: Completed translation [2021-12-18 11:25:18,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:25:18 WrapperNode [2021-12-18 11:25:18,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 11:25:18,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 11:25:18,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 11:25:18,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 11:25:18,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:25:18" (1/1) ... [2021-12-18 11:25:18,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:25:18" (1/1) ... [2021-12-18 11:25:18,581 INFO L137 Inliner]: procedures = 663, calls = 4929, calls flagged for inlining = 350, calls inlined = 347, statements flattened = 12888 [2021-12-18 11:25:18,582 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 11:25:18,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 11:25:18,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 11:25:18,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 11:25:18,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:25:18" (1/1) ... [2021-12-18 11:25:18,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:25:18" (1/1) ... [2021-12-18 11:25:18,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:25:18" (1/1) ... [2021-12-18 11:25:18,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:25:18" (1/1) ... [2021-12-18 11:25:18,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:25:18" (1/1) ... [2021-12-18 11:25:18,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:25:18" (1/1) ... [2021-12-18 11:25:19,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:25:18" (1/1) ... [2021-12-18 11:25:19,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 11:25:19,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 11:25:19,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 11:25:19,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 11:25:19,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:25:18" (1/1) ... [2021-12-18 11:25:19,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 11:25:19,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 11:25:19,148 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) [2021-12-18 11:25:19,175 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 [2021-12-18 11:25:19,189 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rx_mode [2021-12-18 11:25:19,189 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rx_mode [2021-12-18 11:25:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-18 11:25:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-18 11:25:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_clear_desc_ring [2021-12-18 11:25:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_clear_desc_ring [2021-12-18 11:25:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_skb_cont [2021-12-18 11:25:19,190 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_skb_cont [2021-12-18 11:25:19,190 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 11:25:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 11:25:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 11:25:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 11:25:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2021-12-18 11:25:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2021-12-18 11:25:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_intr [2021-12-18 11:25:19,191 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_intr [2021-12-18 11:25:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res [2021-12-18 11:25:19,192 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res [2021-12-18 11:25:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_station_addr [2021-12-18 11:25:19,192 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_station_addr [2021-12-18 11:25:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_free_desc_ring [2021-12-18 11:25:19,192 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_free_desc_ring [2021-12-18 11:25:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 11:25:19,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 11:25:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2021-12-18 11:25:19,193 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2021-12-18 11:25:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 11:25:19,193 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 11:25:19,193 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_rq_intr [2021-12-18 11:25:19,193 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_rq_intr [2021-12-18 11:25:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure enic_reset_addr_lists [2021-12-18 11:25:19,194 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_reset_addr_lists [2021-12-18 11:25:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure enic_log_q_error [2021-12-18 11:25:19,194 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_log_q_error [2021-12-18 11:25:19,194 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_disable [2021-12-18 11:25:19,194 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_disable [2021-12-18 11:25:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_legacy [2021-12-18 11:25:19,195 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_legacy [2021-12-18 11:25:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_alloc [2021-12-18 11:25:19,195 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_alloc [2021-12-18 11:25:19,195 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_service [2021-12-18 11:25:19,196 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_service [2021-12-18 11:25:19,196 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-18 11:25:19,196 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-18 11:25:19,196 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_ready [2021-12-18 11:25:19,196 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_ready [2021-12-18 11:25:19,196 INFO L130 BoogieDeclarations]: Found specification of procedure enic_synchronize_irqs [2021-12-18 11:25:19,197 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_synchronize_irqs [2021-12-18 11:25:19,197 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 11:25:19,197 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 11:25:19,197 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 11:25:19,198 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 11:25:19,198 INFO L130 BoogieDeclarations]: Found specification of procedure _vnic_dev_cmd [2021-12-18 11:25:19,198 INFO L138 BoogieDeclarations]: Found implementation of procedure _vnic_dev_cmd [2021-12-18 11:25:19,198 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-18 11:25:19,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-18 11:25:19,199 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_unmask [2021-12-18 11:25:19,282 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_unmask [2021-12-18 11:25:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 11:25:19,282 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 11:25:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_status [2021-12-18 11:25:19,282 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_status [2021-12-18 11:25:19,282 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_status_to_errno [2021-12-18 11:25:19,283 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_status_to_errno [2021-12-18 11:25:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-18 11:25:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_size [2021-12-18 11:25:19,283 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_size [2021-12-18 11:25:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_disable [2021-12-18 11:25:19,283 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_disable [2021-12-18 11:25:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 11:25:19,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 11:25:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 11:25:19,283 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 11:25:19,283 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-18 11:25:19,284 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-18 11:25:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 11:25:19,284 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 11:25:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 11:25:19,284 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 11:25:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-12-18 11:25:19,284 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_set_ig_vlan_rewrite_mode [2021-12-18 11:25:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 11:25:19,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 11:25:19,284 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-18 11:25:19,285 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-18 11:25:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2021-12-18 11:25:19,285 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2021-12-18 11:25:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 11:25:19,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 11:25:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 11:25:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2021-12-18 11:25:19,285 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2021-12-18 11:25:19,285 INFO L130 BoogieDeclarations]: Found specification of procedure enic_change_mtu [2021-12-18 11:25:19,285 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_change_mtu [2021-12-18 11:25:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_deinit [2021-12-18 11:25:19,286 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_deinit [2021-12-18 11:25:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_clean [2021-12-18 11:25:19,286 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_clean [2021-12-18 11:25:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2_done [2021-12-18 11:25:19,286 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2_done [2021-12-18 11:25:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-18 11:25:19,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-18 11:25:19,286 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-18 11:25:19,286 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-18 11:25:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u16 [2021-12-18 11:25:19,287 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u16 [2021-12-18 11:25:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd [2021-12-18 11:25:19,287 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd [2021-12-18 11:25:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 11:25:19,287 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 11:25:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 11:25:19,287 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 11:25:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_all_credits [2021-12-18 11:25:19,287 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_all_credits [2021-12-18 11:25:19,287 INFO L130 BoogieDeclarations]: Found specification of procedure cq_desc_dec [2021-12-18 11:25:19,288 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_desc_dec [2021-12-18 11:25:19,288 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-12-18 11:25:19,288 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-12-18 11:25:19,288 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_desc_used [2021-12-18 11:25:19,288 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_desc_used [2021-12-18 11:25:19,288 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-18 11:25:19,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-18 11:25:19,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 11:25:19,288 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-12-18 11:25:19,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-12-18 11:25:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure enic_iounmap [2021-12-18 11:25:19,289 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_iounmap [2021-12-18 11:25:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 11:25:19,289 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 11:25:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 11:25:19,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 11:25:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 11:25:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_timer_start [2021-12-18 11:25:19,289 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_timer_start [2021-12-18 11:25:19,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 11:25:19,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 11:25:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 11:25:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 11:25:19,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 11:25:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init [2021-12-18 11:25:19,290 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init [2021-12-18 11:25:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 11:25:19,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 11:25:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 11:25:19,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 11:25:19,290 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-18 11:25:19,291 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-18 11:25:19,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 11:25:19,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 11:25:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy [2021-12-18 11:25:19,307 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy [2021-12-18 11:25:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 11:25:19,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 11:25:19,307 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-18 11:25:19,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-18 11:25:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 11:25:19,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 11:25:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 11:25:19,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 11:25:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rss_nic_cfg [2021-12-18 11:25:19,308 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rss_nic_cfg [2021-12-18 11:25:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-12-18 11:25:19,308 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-12-18 11:25:19,308 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_del_addr [2021-12-18 11:25:19,309 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_del_addr [2021-12-18 11:25:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-18 11:25:19,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-18 11:25:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_desc_avail [2021-12-18 11:25:19,309 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_desc_avail [2021-12-18 11:25:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 11:25:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 11:25:19,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 11:25:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 11:25:19,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 11:25:19,309 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_coalesce [2021-12-18 11:25:19,310 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_coalesce [2021-12-18 11:25:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-18 11:25:19,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-18 11:25:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_rq [2021-12-18 11:25:19,310 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_rq [2021-12-18 11:25:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 11:25:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-18 11:25:19,310 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-18 11:25:19,310 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_wq_intr [2021-12-18 11:25:19,310 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_wq_intr [2021-12-18 11:25:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 11:25:19,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 11:25:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 11:25:19,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 11:25:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 11:25:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_add_addr [2021-12-18 11:25:19,311 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_add_addr [2021-12-18 11:25:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 11:25:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 11:25:19,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 11:25:19,311 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-18 11:25:19,312 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-18 11:25:19,312 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2021-12-18 11:25:19,312 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2021-12-18 11:25:19,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 11:25:19,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 11:25:19,312 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2021-12-18 11:25:19,312 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2021-12-18 11:25:19,312 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_drvinfo [2021-12-18 11:25:19,312 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_drvinfo [2021-12-18 11:25:19,312 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_enable [2021-12-18 11:25:19,313 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_enable [2021-12-18 11:25:19,313 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 11:25:19,313 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 11:25:19,313 INFO L130 BoogieDeclarations]: Found specification of procedure enic_stop [2021-12-18 11:25:19,313 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_stop [2021-12-18 11:25:19,313 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-18 11:25:19,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-18 11:25:19,314 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_notify_intr [2021-12-18 11:25:19,314 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_notify_intr [2021-12-18 11:25:19,314 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 11:25:19,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 11:25:19,314 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-18 11:25:19,315 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-18 11:25:19,315 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-18 11:25:19,315 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-18 11:25:19,315 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 11:25:19,315 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 11:25:19,315 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_alloc_desc_ring [2021-12-18 11:25:19,315 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_alloc_desc_ring [2021-12-18 11:25:19,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 11:25:19,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 11:25:19,316 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_sriov_vf [2021-12-18 11:25:19,316 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_sriov_vf [2021-12-18 11:25:19,316 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-18 11:25:19,316 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-18 11:25:19,316 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_sriov [2021-12-18 11:25:19,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_sriov [2021-12-18 11:25:19,316 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 11:25:19,317 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 11:25:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_notify_intr [2021-12-18 11:25:19,317 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_notify_intr [2021-12-18 11:25:19,317 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-12-18 11:25:19,317 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-12-18 11:25:19,318 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_clean [2021-12-18 11:25:19,318 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_clean [2021-12-18 11:25:19,320 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_wq_buf [2021-12-18 11:25:19,320 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_wq_buf [2021-12-18 11:25:19,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 11:25:19,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 11:25:19,321 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2021-12-18 11:25:19,321 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2021-12-18 11:25:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-18 11:25:19,322 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-18 11:25:19,322 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-18 11:25:19,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-18 11:25:19,327 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_wq [2021-12-18 11:25:19,327 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_wq [2021-12-18 11:25:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2021-12-18 11:25:19,328 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2021-12-18 11:25:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_intr_coal_timer_info_default [2021-12-18 11:25:19,328 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_intr_coal_timer_info_default [2021-12-18 11:25:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_address_dynamic [2021-12-18 11:25:19,328 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_address_dynamic [2021-12-18 11:25:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 11:25:19,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 11:25:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 11:25:19,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 11:25:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_notify_unset [2021-12-18 11:25:19,329 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_notify_unset [2021-12-18 11:25:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 11:25:19,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 11:25:19,329 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-18 11:25:19,329 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-18 11:25:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure enic_tx_timeout [2021-12-18 11:25:19,330 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_tx_timeout [2021-12-18 11:25:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_mask [2021-12-18 11:25:19,330 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_mask [2021-12-18 11:25:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-18 11:25:19,330 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-18 11:25:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 11:25:19,330 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 11:25:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-18 11:25:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-18 11:25:19,331 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-18 11:25:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-18 11:25:19,331 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-18 11:25:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 11:25:19,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 11:25:19,331 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_end [2021-12-18 11:25:19,332 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_end [2021-12-18 11:25:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 11:25:19,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 11:25:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-18 11:25:19,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-18 11:25:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-18 11:25:19,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-18 11:25:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 11:25:19,333 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 11:25:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_by_index_start [2021-12-18 11:25:19,333 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_by_index_start [2021-12-18 11:25:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 11:25:19,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 11:25:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2 [2021-12-18 11:25:19,333 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2 [2021-12-18 11:25:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-18 11:25:19,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-18 11:25:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-18 11:25:19,334 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-18 11:25:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res_count [2021-12-18 11:25:19,334 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res_count [2021-12-18 11:25:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_set [2021-12-18 11:25:19,334 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_set [2021-12-18 11:25:19,334 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 11:25:19,335 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 11:25:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 11:25:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 11:25:19,335 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 11:25:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_mode [2021-12-18 11:25:19,335 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_mode [2021-12-18 11:25:19,335 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_spec [2021-12-18 11:25:19,336 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_spec [2021-12-18 11:25:19,336 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 11:25:19,336 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 11:25:19,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 11:25:19,336 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_coalesce [2021-12-18 11:25:19,336 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_coalesce [2021-12-18 11:25:19,336 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit_done [2021-12-18 11:25:19,336 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit_done [2021-12-18 11:25:19,337 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_addr [2021-12-18 11:25:19,337 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_addr [2021-12-18 11:25:19,337 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-18 11:25:19,337 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-18 11:25:19,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 11:25:19,337 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_io_intr [2021-12-18 11:25:19,337 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_io_intr [2021-12-18 11:25:19,337 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 11:25:19,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 11:25:19,338 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_settings [2021-12-18 11:25:19,338 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_settings [2021-12-18 11:25:19,338 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-12-18 11:25:19,338 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-12-18 11:25:19,338 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 11:25:19,338 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 11:25:19,338 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-18 11:25:19,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-18 11:25:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_vnic_resources [2021-12-18 11:25:19,339 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_vnic_resources [2021-12-18 11:25:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure enic_sriov_enabled [2021-12-18 11:25:19,339 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_sriov_enabled [2021-12-18 11:25:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 11:25:19,339 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 11:25:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-18 11:25:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-18 11:25:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 11:25:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 11:25:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 11:25:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 11:25:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2021-12-18 11:25:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2021-12-18 11:25:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure enic_init_vnic_resources [2021-12-18 11:25:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_init_vnic_resources [2021-12-18 11:25:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 11:25:19,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 11:25:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_free [2021-12-18 11:25:19,341 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_free [2021-12-18 11:25:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 11:25:19,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 11:25:19,341 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_check [2021-12-18 11:25:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_check [2021-12-18 11:25:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_dev [2021-12-18 11:25:19,342 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_dev [2021-12-18 11:25:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_coal_timer_max [2021-12-18 11:25:19,345 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_coal_timer_max [2021-12-18 11:25:19,345 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_coalescing_timer_set [2021-12-18 11:25:19,346 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_coalescing_timer_set [2021-12-18 11:25:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit [2021-12-18 11:25:19,346 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit [2021-12-18 11:25:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_ex [2021-12-18 11:25:19,346 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_ex [2021-12-18 11:25:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2021-12-18 11:25:19,346 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2021-12-18 11:25:19,347 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_cont [2021-12-18 11:25:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_cont [2021-12-18 11:25:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init_prov2 [2021-12-18 11:25:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init_prov2 [2021-12-18 11:25:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_msi [2021-12-18 11:25:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_msi [2021-12-18 11:25:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_unregister [2021-12-18 11:25:19,348 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_unregister [2021-12-18 11:25:19,348 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 11:25:19,349 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 11:25:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-18 11:25:19,349 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-18 11:25:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_mac_addr [2021-12-18 11:25:19,349 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_mac_addr [2021-12-18 11:25:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-18 11:25:19,349 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-18 11:25:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_add_tlv [2021-12-18 11:25:19,349 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_add_tlv [2021-12-18 11:25:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 11:25:19,350 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 11:25:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-18 11:25:19,350 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-18 11:25:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 11:25:19,350 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 11:25:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 11:25:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_vf [2021-12-18 11:25:19,351 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_vf [2021-12-18 11:25:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_mtu [2021-12-18 11:25:19,351 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_mtu [2021-12-18 11:25:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2021-12-18 11:25:19,351 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2021-12-18 11:25:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_dynamic [2021-12-18 11:25:19,351 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_dynamic [2021-12-18 11:25:19,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 11:25:19,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 11:25:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_station_addr [2021-12-18 11:25:19,352 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_station_addr [2021-12-18 11:25:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_addr [2021-12-18 11:25:19,352 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_addr [2021-12-18 11:25:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure enic_remove [2021-12-18 11:25:19,352 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_remove [2021-12-18 11:25:19,352 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 11:25:19,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-18 11:25:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_clean [2021-12-18 11:25:19,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_clean [2021-12-18 11:25:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_capable [2021-12-18 11:25:19,353 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_capable [2021-12-18 11:25:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 11:25:19,353 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 11:25:19,353 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2021-12-18 11:25:19,353 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2021-12-18 11:25:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-18 11:25:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-18 11:25:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_intr_mode [2021-12-18 11:25:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_intr_mode [2021-12-18 11:25:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure enic_clear_intr_mode [2021-12-18 11:25:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_clear_intr_mode [2021-12-18 11:25:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_credits [2021-12-18 11:25:19,354 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_credits [2021-12-18 11:25:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_priv [2021-12-18 11:25:19,355 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_priv [2021-12-18 11:25:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-12-18 11:25:19,355 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-12-18 11:25:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-12-18 11:25:19,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-12-18 11:25:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure enic_poll_controller [2021-12-18 11:25:19,355 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_poll_controller [2021-12-18 11:25:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-18 11:25:19,356 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-18 11:25:19,356 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-18 11:25:19,356 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-18 11:25:19,356 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_close [2021-12-18 11:25:19,356 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_close [2021-12-18 11:25:19,356 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_addr [2021-12-18 11:25:19,356 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_addr [2021-12-18 11:25:19,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 11:25:19,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 11:25:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-18 11:25:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-18 11:25:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 11:25:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 11:25:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_free [2021-12-18 11:25:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_free [2021-12-18 11:25:19,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2021-12-18 11:25:19,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2021-12-18 11:25:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 11:25:19,358 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 11:25:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 11:25:19,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-18 11:25:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_err_intr [2021-12-18 11:25:19,358 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_err_intr [2021-12-18 11:25:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 11:25:19,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-18 11:25:19,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-12-18 11:25:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2021-12-18 11:25:19,359 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2021-12-18 11:25:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_stats_dump [2021-12-18 11:25:19,359 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_stats_dump [2021-12-18 11:25:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 11:25:19,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 11:25:19,359 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-12-18 11:25:19,360 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-12-18 11:25:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_pp_vf [2021-12-18 11:25:19,360 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_pp_vf [2021-12-18 11:25:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_sset_count [2021-12-18 11:25:19,360 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_sset_count [2021-12-18 11:25:19,360 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_mac_addr [2021-12-18 11:25:19,360 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_mac_addr [2021-12-18 11:25:20,869 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 11:25:20,874 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 11:25:21,213 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 11:35:41,591 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 11:35:41,782 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 11:35:41,819 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 11:35:41,820 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-18 11:35:41,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:35:41 BoogieIcfgContainer [2021-12-18 11:35:41,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 11:35:41,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 11:35:41,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 11:35:41,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 11:35:41,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:25:12" (1/3) ... [2021-12-18 11:35:41,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332b4f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:35:41, skipping insertion in model container [2021-12-18 11:35:41,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:25:18" (2/3) ... [2021-12-18 11:35:41,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332b4f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:35:41, skipping insertion in model container [2021-12-18 11:35:41,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:35:41" (3/3) ... [2021-12-18 11:35:41,832 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-cisco-enic-enic.cil.i [2021-12-18 11:35:41,842 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 11:35:41,842 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-18 11:35:41,903 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 11:35:41,908 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 11:35:41,908 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-18 11:35:41,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 4312 states, 3037 states have (on average 1.2881132696740205) internal successors, (3912), 3082 states have internal predecessors, (3912), 1041 states have call successors, (1041), 233 states have call predecessors, (1041), 232 states have return successors, (1036), 1024 states have call predecessors, (1036), 1036 states have call successors, (1036) [2021-12-18 11:35:42,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2021-12-18 11:35:42,012 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:35:42,012 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:35:42,013 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 11:35:42,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:35:42,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1431583952, now seen corresponding path program 1 times [2021-12-18 11:35:42,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:35:42,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949626441] [2021-12-18 11:35:42,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:35:42,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:35:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:35:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:35:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:35:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:35:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:35:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:35:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:35:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:35:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:35:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:35:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:35:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:35:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:35:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:35:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:35:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:35:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:35:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:35:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:35:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:35:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:35:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:35:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:35:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:35:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:35:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:35:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:43,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:35:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:44,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:35:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:44,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:35:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:44,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:35:44,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:44,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 11:35:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:44,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 11:35:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:35:44,089 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2021-12-18 11:35:44,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:35:44,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949626441] [2021-12-18 11:35:44,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949626441] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:35:44,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:35:44,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:35:44,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171100741] [2021-12-18 11:35:44,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:35:44,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:35:44,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:35:44,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:35:44,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:35:44,130 INFO L87 Difference]: Start difference. First operand has 4312 states, 3037 states have (on average 1.2881132696740205) internal successors, (3912), 3082 states have internal predecessors, (3912), 1041 states have call successors, (1041), 233 states have call predecessors, (1041), 232 states have return successors, (1036), 1024 states have call predecessors, (1036), 1036 states have call successors, (1036) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 11:35:46,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:35:48,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:36:18,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:36:21,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:36:21,587 INFO L93 Difference]: Finished difference Result 13088 states and 18484 transitions. [2021-12-18 11:36:21,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:36:21,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 188 [2021-12-18 11:36:21,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:36:21,668 INFO L225 Difference]: With dead ends: 13088 [2021-12-18 11:36:21,668 INFO L226 Difference]: Without dead ends: 8798 [2021-12-18 11:36:21,702 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:36:21,705 INFO L933 BasicCegarLoop]: 6239 mSDtfsCounter, 7916 mSDsluCounter, 6667 mSDsCounter, 0 mSdLazyCounter, 3892 mSolverCounterSat, 3270 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8822 SdHoareTripleChecker+Valid, 12906 SdHoareTripleChecker+Invalid, 7165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3270 IncrementalHoareTripleChecker+Valid, 3892 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.3s IncrementalHoareTripleChecker+Time [2021-12-18 11:36:21,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8822 Valid, 12906 Invalid, 7165 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3270 Valid, 3892 Invalid, 3 Unknown, 0 Unchecked, 36.3s Time] [2021-12-18 11:36:21,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8798 states. [2021-12-18 11:36:22,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8798 to 8433. [2021-12-18 11:36:22,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8433 states, 5936 states have (on average 1.2796495956873315) internal successors, (7596), 6024 states have internal predecessors, (7596), 2033 states have call successors, (2033), 463 states have call predecessors, (2033), 462 states have return successors, (2033), 2007 states have call predecessors, (2033), 2031 states have call successors, (2033) [2021-12-18 11:36:22,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8433 states to 8433 states and 11662 transitions. [2021-12-18 11:36:22,195 INFO L78 Accepts]: Start accepts. Automaton has 8433 states and 11662 transitions. Word has length 188 [2021-12-18 11:36:22,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:36:22,197 INFO L470 AbstractCegarLoop]: Abstraction has 8433 states and 11662 transitions. [2021-12-18 11:36:22,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-18 11:36:22,197 INFO L276 IsEmpty]: Start isEmpty. Operand 8433 states and 11662 transitions. [2021-12-18 11:36:22,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-12-18 11:36:22,210 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:36:22,210 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:36:22,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 11:36:22,211 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 11:36:22,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:36:22,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1179477301, now seen corresponding path program 1 times [2021-12-18 11:36:22,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:36:22,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655599269] [2021-12-18 11:36:22,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:36:22,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:36:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:36:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:36:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:36:23,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:36:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:36:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:36:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:36:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:36:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:36:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:36:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:36:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:36:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:36:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:36:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:36:23,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:36:23,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:36:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:36:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:36:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:36:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:36:23,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:36:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:36:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:36:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:36:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:36:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:36:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:36:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:36:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:36:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 11:36:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:23,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-18 11:36:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:24,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 11:36:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:24,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:36:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:24,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:36:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:24,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 11:36:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:36:24,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1179 trivial. 0 not checked. [2021-12-18 11:36:24,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:36:24,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655599269] [2021-12-18 11:36:24,106 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655599269] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:36:24,106 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:36:24,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 11:36:24,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417621148] [2021-12-18 11:36:24,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:36:24,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 11:36:24,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:36:24,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 11:36:24,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:36:24,109 INFO L87 Difference]: Start difference. First operand 8433 states and 11662 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-18 11:36:26,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:36:28,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:37:18,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:37:22,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:37:22,432 INFO L93 Difference]: Finished difference Result 19506 states and 27136 transitions. [2021-12-18 11:37:22,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:37:22,433 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 232 [2021-12-18 11:37:22,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:37:22,519 INFO L225 Difference]: With dead ends: 19506 [2021-12-18 11:37:22,519 INFO L226 Difference]: Without dead ends: 11108 [2021-12-18 11:37:22,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-18 11:37:22,581 INFO L933 BasicCegarLoop]: 6174 mSDtfsCounter, 8190 mSDsluCounter, 6497 mSDsCounter, 0 mSdLazyCounter, 5345 mSolverCounterSat, 5158 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8983 SdHoareTripleChecker+Valid, 12671 SdHoareTripleChecker+Invalid, 10506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5158 IncrementalHoareTripleChecker+Valid, 5345 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.5s IncrementalHoareTripleChecker+Time [2021-12-18 11:37:22,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8983 Valid, 12671 Invalid, 10506 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5158 Valid, 5345 Invalid, 3 Unknown, 0 Unchecked, 56.5s Time] [2021-12-18 11:37:22,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11108 states. [2021-12-18 11:37:23,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11108 to 9974. [2021-12-18 11:37:23,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9974 states, 7006 states have (on average 1.2691978304310592) internal successors, (8892), 7104 states have internal predecessors, (8892), 2367 states have call successors, (2367), 600 states have call predecessors, (2367), 599 states have return successors, (2365), 2336 states have call predecessors, (2365), 2365 states have call successors, (2365) [2021-12-18 11:37:23,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9974 states to 9974 states and 13624 transitions. [2021-12-18 11:37:23,450 INFO L78 Accepts]: Start accepts. Automaton has 9974 states and 13624 transitions. Word has length 232 [2021-12-18 11:37:23,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:37:23,452 INFO L470 AbstractCegarLoop]: Abstraction has 9974 states and 13624 transitions. [2021-12-18 11:37:23,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-18 11:37:23,453 INFO L276 IsEmpty]: Start isEmpty. Operand 9974 states and 13624 transitions. [2021-12-18 11:37:23,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-12-18 11:37:23,459 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:37:23,460 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:37:23,460 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 11:37:23,460 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 11:37:23,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:37:23,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1017232664, now seen corresponding path program 1 times [2021-12-18 11:37:23,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:37:23,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755216986] [2021-12-18 11:37:23,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:37:23,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:37:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:37:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:37:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:37:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:37:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:37:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:37:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:37:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:37:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:37:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:37:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:37:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:37:24,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:37:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:37:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:37:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:37:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:37:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:37:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:37:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:37:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:37:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:37:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:37:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:37:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:37:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:37:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:24,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:37:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:25,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:37:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:25,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:37:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:25,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:37:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:25,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 11:37:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:25,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 11:37:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:25,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 11:37:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:25,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 11:37:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:25,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 11:37:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:25,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:37:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:25,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 11:37:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:25,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 11:37:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:25,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 11:37:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:37:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2021-12-18 11:37:25,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:37:25,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755216986] [2021-12-18 11:37:25,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755216986] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:37:25,149 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:37:25,149 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 11:37:25,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650402944] [2021-12-18 11:37:25,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:37:25,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 11:37:25,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:37:25,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 11:37:25,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 11:37:25,152 INFO L87 Difference]: Start difference. First operand 9974 states and 13624 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 11:37:27,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:37:29,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:38:02,557 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:38:05,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:38:05,870 INFO L93 Difference]: Finished difference Result 24768 states and 34036 transitions. [2021-12-18 11:38:05,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:38:05,871 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 240 [2021-12-18 11:38:05,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:38:05,960 INFO L225 Difference]: With dead ends: 24768 [2021-12-18 11:38:05,960 INFO L226 Difference]: Without dead ends: 17650 [2021-12-18 11:38:05,991 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:38:05,992 INFO L933 BasicCegarLoop]: 8839 mSDtfsCounter, 6976 mSDsluCounter, 7823 mSDsCounter, 0 mSdLazyCounter, 3996 mSolverCounterSat, 2714 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7878 SdHoareTripleChecker+Valid, 16662 SdHoareTripleChecker+Invalid, 6713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2714 IncrementalHoareTripleChecker+Valid, 3996 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.4s IncrementalHoareTripleChecker+Time [2021-12-18 11:38:05,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7878 Valid, 16662 Invalid, 6713 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2714 Valid, 3996 Invalid, 3 Unknown, 0 Unchecked, 39.4s Time] [2021-12-18 11:38:06,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17650 states. [2021-12-18 11:38:06,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17650 to 16960. [2021-12-18 11:38:06,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16960 states, 11923 states have (on average 1.2712404596158684) internal successors, (15157), 12089 states have internal predecessors, (15157), 4023 states have call successors, (4023), 1013 states have call predecessors, (4023), 1012 states have return successors, (4023), 3973 states have call predecessors, (4023), 4021 states have call successors, (4023) [2021-12-18 11:38:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16960 states to 16960 states and 23203 transitions. [2021-12-18 11:38:06,907 INFO L78 Accepts]: Start accepts. Automaton has 16960 states and 23203 transitions. Word has length 240 [2021-12-18 11:38:06,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:38:06,909 INFO L470 AbstractCegarLoop]: Abstraction has 16960 states and 23203 transitions. [2021-12-18 11:38:06,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-18 11:38:06,909 INFO L276 IsEmpty]: Start isEmpty. Operand 16960 states and 23203 transitions. [2021-12-18 11:38:06,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-12-18 11:38:06,917 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:38:06,917 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 15, 15, 15, 15, 15, 15, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 11:38:06,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 11:38:06,919 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 11:38:06,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:38:06,920 INFO L85 PathProgramCache]: Analyzing trace with hash 199584214, now seen corresponding path program 1 times [2021-12-18 11:38:06,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:38:06,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205491546] [2021-12-18 11:38:06,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:38:06,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:38:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:38:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:38:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:08,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:38:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:38:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:38:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:38:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:38:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:38:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:38:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:38:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:38:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:38:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:38:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:38:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:38:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 11:38:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 11:38:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 11:38:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 11:38:08,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 11:38:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 11:38:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 11:38:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 11:38:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:08,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2021-12-18 11:38:08,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:38:08,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205491546] [2021-12-18 11:38:08,539 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205491546] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:38:08,539 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:38:08,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 11:38:08,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247246611] [2021-12-18 11:38:08,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:38:08,540 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 11:38:08,540 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:38:08,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 11:38:08,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:38:08,541 INFO L87 Difference]: Start difference. First operand 16960 states and 23203 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 11:38:10,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:38:33,502 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:38:36,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:38:36,849 INFO L93 Difference]: Finished difference Result 17805 states and 24482 transitions. [2021-12-18 11:38:36,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 11:38:36,850 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 240 [2021-12-18 11:38:36,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:38:36,927 INFO L225 Difference]: With dead ends: 17805 [2021-12-18 11:38:36,927 INFO L226 Difference]: Without dead ends: 14841 [2021-12-18 11:38:36,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-18 11:38:36,957 INFO L933 BasicCegarLoop]: 5537 mSDtfsCounter, 6481 mSDsluCounter, 6676 mSDsCounter, 0 mSdLazyCounter, 3136 mSolverCounterSat, 2230 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7061 SdHoareTripleChecker+Valid, 12213 SdHoareTripleChecker+Invalid, 5368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2230 IncrementalHoareTripleChecker+Valid, 3136 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.2s IncrementalHoareTripleChecker+Time [2021-12-18 11:38:36,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7061 Valid, 12213 Invalid, 5368 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2230 Valid, 3136 Invalid, 2 Unknown, 0 Unchecked, 27.2s Time] [2021-12-18 11:38:36,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14841 states. [2021-12-18 11:38:37,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14841 to 14267. [2021-12-18 11:38:37,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14267 states, 10043 states have (on average 1.2727272727272727) internal successors, (12782), 10182 states have internal predecessors, (12782), 3375 states have call successors, (3375), 847 states have call predecessors, (3375), 848 states have return successors, (3379), 3336 states have call predecessors, (3379), 3375 states have call successors, (3379) [2021-12-18 11:38:37,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14267 states to 14267 states and 19536 transitions. [2021-12-18 11:38:37,649 INFO L78 Accepts]: Start accepts. Automaton has 14267 states and 19536 transitions. Word has length 240 [2021-12-18 11:38:37,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:38:37,649 INFO L470 AbstractCegarLoop]: Abstraction has 14267 states and 19536 transitions. [2021-12-18 11:38:37,650 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-18 11:38:37,650 INFO L276 IsEmpty]: Start isEmpty. Operand 14267 states and 19536 transitions. [2021-12-18 11:38:37,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-12-18 11:38:37,676 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:38:37,677 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 16, 16, 16, 16, 16, 16, 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] [2021-12-18 11:38:37,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 11:38:37,677 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 11:38:37,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:38:37,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1366434673, now seen corresponding path program 1 times [2021-12-18 11:38:37,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:38:37,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308809977] [2021-12-18 11:38:37,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:38:37,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:38:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:38:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 11:38:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:38:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 11:38:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:38:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 11:38:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 11:38:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 11:38:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 11:38:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:38,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 11:38:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 11:38:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 11:38:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 11:38:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 11:38:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:38:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-18 11:38:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 11:38:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 11:38:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 11:38:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 11:38:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-18 11:38:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 11:38:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 11:38:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:38,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-18 11:38:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:39,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 11:38:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:39,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:39,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:38:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:39,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 11:38:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:38:39,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1393 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1390 trivial. 0 not checked. [2021-12-18 11:38:39,396 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:38:39,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308809977] [2021-12-18 11:38:39,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308809977] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:38:39,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:38:39,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 11:38:39,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290205518] [2021-12-18 11:38:39,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:38:39,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 11:38:39,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:38:39,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 11:38:39,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:38:39,398 INFO L87 Difference]: Start difference. First operand 14267 states and 19536 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2021-12-18 11:38:41,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:38:43,924 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15