./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-ti-tlan.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-ti-tlan.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 cac198808750b06b4323badfd457155abf5b06080e3172b359793331e4f6845f --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:56:09,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:56:09,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:56:09,312 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:56:09,313 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:56:09,314 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:56:09,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:56:09,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:56:09,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:56:09,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:56:09,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:56:09,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:56:09,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:56:09,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:56:09,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:56:09,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:56:09,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:56:09,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:56:09,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:56:09,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:56:09,334 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:56:09,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:56:09,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:56:09,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:56:09,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:56:09,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:56:09,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:56:09,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:56:09,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:56:09,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:56:09,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:56:09,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:56:09,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:56:09,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:56:09,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:56:09,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:56:09,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:56:09,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:56:09,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:56:09,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:56:09,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:56:09,350 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:56:09,376 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:56:09,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:56:09,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:56:09,377 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:56:09,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:56:09,378 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:56:09,378 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:56:09,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:56:09,379 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:56:09,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:56:09,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:56:09,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:56:09,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:56:09,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:56:09,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:56:09,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:56:09,381 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:56:09,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:56:09,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:56:09,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:56:09,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:56:09,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:56:09,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:56:09,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:56:09,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:56:09,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:56:09,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:56:09,382 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:56:09,382 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:56:09,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:56:09,383 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:56:09,383 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cac198808750b06b4323badfd457155abf5b06080e3172b359793331e4f6845f [2021-12-16 04:56:09,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:56:09,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:56:09,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:56:09,648 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:56:09,648 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:56:09,649 INFO L432 ainManager$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-ti-tlan.cil.i [2021-12-16 04:56:09,712 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55e6cf34e/64539c7f16464f20877a6c494c59ddfc/FLAG3e0ee31e6 [2021-12-16 04:56:10,405 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:56:10,406 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-ti-tlan.cil.i [2021-12-16 04:56:10,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55e6cf34e/64539c7f16464f20877a6c494c59ddfc/FLAG3e0ee31e6 [2021-12-16 04:56:10,744 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55e6cf34e/64539c7f16464f20877a6c494c59ddfc [2021-12-16 04:56:10,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:56:10,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:56:10,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:56:10,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:56:10,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:56:10,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:56:10" (1/1) ... [2021-12-16 04:56:10,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a04934b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:56:10, skipping insertion in model container [2021-12-16 04:56:10,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:56:10" (1/1) ... [2021-12-16 04:56:10,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:56:10,840 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:56:12,934 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-ti-tlan.cil.i[314606,314619] [2021-12-16 04:56:12,938 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-ti-tlan.cil.i[314753,314766] [2021-12-16 04:56:12,939 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-ti-tlan.cil.i[314892,314905] [2021-12-16 04:56:12,939 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-ti-tlan.cil.i[315050,315063] [2021-12-16 04:56:12,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:56:13,036 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:56:13,330 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-ti-tlan.cil.i[314606,314619] [2021-12-16 04:56:13,330 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-ti-tlan.cil.i[314753,314766] [2021-12-16 04:56:13,331 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-ti-tlan.cil.i[314892,314905] [2021-12-16 04:56:13,331 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-ti-tlan.cil.i[315050,315063] [2021-12-16 04:56:13,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:56:13,453 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:56:13,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:56:13 WrapperNode [2021-12-16 04:56:13,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:56:13,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:56:13,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:56:13,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:56:13,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:56:13" (1/1) ... [2021-12-16 04:56:13,544 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:56:13" (1/1) ... [2021-12-16 04:56:13,676 INFO L137 Inliner]: procedures = 351, calls = 2103, calls flagged for inlining = 195, calls inlined = 189, statements flattened = 5021 [2021-12-16 04:56:13,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:56:13,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:56:13,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:56:13,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:56:13,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:56:13" (1/1) ... [2021-12-16 04:56:13,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:56:13" (1/1) ... [2021-12-16 04:56:13,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:56:13" (1/1) ... [2021-12-16 04:56:13,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:56:13" (1/1) ... [2021-12-16 04:56:13,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:56:13" (1/1) ... [2021-12-16 04:56:13,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:56:13" (1/1) ... [2021-12-16 04:56:13,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:56:13" (1/1) ... [2021-12-16 04:56:13,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:56:13,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:56:13,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:56:13,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:56:13,958 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:56:13" (1/1) ... [2021-12-16 04:56:13,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:56:13,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:56:13,995 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) [2021-12-16 04:56:14,001 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 [2021-12-16 04:56:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_resume [2021-12-16 04:56:14,062 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_resume [2021-12-16 04:56:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2021-12-16 04:56:14,062 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2021-12-16 04:56:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:56:14,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:56:14,062 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-16 04:56:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-16 04:56:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:56:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:56:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_exit [2021-12-16 04:56:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_exit [2021-12-16 04:56:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-16 04:56:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-16 04:56:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_write_reg [2021-12-16 04:56:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_write_reg [2021-12-16 04:56:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-16 04:56:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-16 04:56:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:56:14,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:56:14,063 INFO L130 BoogieDeclarations]: Found specification of procedure slow_down_io [2021-12-16 04:56:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure slow_down_io [2021-12-16 04:56:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_handle_interrupt [2021-12-16 04:56:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_handle_interrupt [2021-12-16 04:56:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_start [2021-12-16 04:56:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_start [2021-12-16 04:56:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-16 04:56:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-16 04:56:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read8 [2021-12-16 04:56:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read8 [2021-12-16 04:56:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-16 04:56:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-16 04:56:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-16 04:56:14,064 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-16 04:56:14,064 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_read_and_clear_stats [2021-12-16 04:56:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_read_and_clear_stats [2021-12-16 04:56:14,065 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-16 04:56:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-16 04:56:14,065 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-16 04:56:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-16 04:56:14,065 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 04:56:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 04:56:14,065 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_sync [2021-12-16 04:56:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_sync [2021-12-16 04:56:14,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:56:14,065 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_multicast_list [2021-12-16 04:56:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_multicast_list [2021-12-16 04:56:14,065 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-16 04:56:14,065 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-16 04:56:14,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_29 [2021-12-16 04:56:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_29 [2021-12-16 04:56:14,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:56:14,066 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-16 04:56:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-16 04:56:14,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 04:56:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-16 04:56:14,066 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-16 04:56:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-16 04:56:14,066 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-16 04:56:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-16 04:56:14,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:56:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:56:14,066 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_eisa_cleanup [2021-12-16 04:56:14,066 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_eisa_cleanup [2021-12-16 04:56:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 04:56:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 04:56:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-16 04:56:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-16 04:56:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:56:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:56:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_print_list [2021-12-16 04:56:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_print_list [2021-12-16 04:56:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-16 04:56:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-16 04:56:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write16 [2021-12-16 04:56:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write16 [2021-12-16 04:56:14,067 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-16 04:56:14,067 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-16 04:56:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-16 04:56:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-16 04:56:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-16 04:56:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-16 04:56:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 04:56:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 04:56:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-16 04:56:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-16 04:56:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-16 04:56:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-16 04:56:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_lists [2021-12-16 04:56:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_lists [2021-12-16 04:56:14,068 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_finish_reset [2021-12-16 04:56:14,068 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_finish_reset [2021-12-16 04:56:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_close [2021-12-16 04:56:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_close [2021-12-16 04:56:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-16 04:56:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-16 04:56:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_print [2021-12-16 04:56:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_print [2021-12-16 04:56:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-16 04:56:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-16 04:56:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write32 [2021-12-16 04:56:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write32 [2021-12-16 04:56:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver [2021-12-16 04:56:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver [2021-12-16 04:56:14,069 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_probe1 [2021-12-16 04:56:14,069 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_probe1 [2021-12-16 04:56:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-16 04:56:14,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-16 04:56:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:56:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-16 04:56:14,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-16 04:56:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 04:56:14,070 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 04:56:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-16 04:56:14,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-16 04:56:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-16 04:56:14,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-16 04:56:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-16 04:56:14,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-16 04:56:14,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-16 04:56:14,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-16 04:56:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_timer [2021-12-16 04:56:14,071 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_timer [2021-12-16 04:56:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_stop [2021-12-16 04:56:14,071 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_stop [2021-12-16 04:56:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_set_mac [2021-12-16 04:56:14,071 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_set_mac [2021-12-16 04:56:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-16 04:56:14,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-16 04:56:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_start [2021-12-16 04:56:14,071 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_start [2021-12-16 04:56:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_read32 [2021-12-16 04:56:14,071 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_read32 [2021-12-16 04:56:14,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-16 04:56:14,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-16 04:56:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:56:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-16 04:56:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-16 04:56:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_remove_one [2021-12-16 04:56:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_remove_one [2021-12-16 04:56:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_get_skb [2021-12-16 04:56:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_get_skb [2021-12-16 04:56:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_dio_write8 [2021-12-16 04:56:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_dio_write8 [2021-12-16 04:56:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:56:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:56:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_power_down [2021-12-16 04:56:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_power_down [2021-12-16 04:56:14,072 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_ee_send_byte [2021-12-16 04:56:14,072 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_ee_send_byte [2021-12-16 04:56:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:56:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure inb_p [2021-12-16 04:56:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure inb_p [2021-12-16 04:56:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2021-12-16 04:56:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2021-12-16 04:56:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-16 04:56:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-16 04:56:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_poll [2021-12-16 04:56:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_poll [2021-12-16 04:56:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-16 04:56:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-16 04:56:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:56:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_reset_adapter [2021-12-16 04:56:14,073 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_reset_adapter [2021-12-16 04:56:14,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 04:56:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 04:56:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-16 04:56:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-16 04:56:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:56:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-16 04:56:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:56:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:56:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_send_data [2021-12-16 04:56:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_send_data [2021-12-16 04:56:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_mii_read_reg [2021-12-16 04:56:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_mii_read_reg [2021-12-16 04:56:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_free_lists [2021-12-16 04:56:14,074 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_free_lists [2021-12-16 04:56:14,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 04:56:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 04:56:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_open [2021-12-16 04:56:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_open [2021-12-16 04:56:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-16 04:56:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-16 04:56:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 04:56:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 04:56:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_11_2 [2021-12-16 04:56:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_11_2 [2021-12-16 04:56:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-16 04:56:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-16 04:56:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2021-12-16 04:56:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2021-12-16 04:56:14,075 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-16 04:56:14,075 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-16 04:56:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-16 04:56:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-16 04:56:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_store_skb [2021-12-16 04:56:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_store_skb [2021-12-16 04:56:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:56:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-16 04:56:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_tx_timeout [2021-12-16 04:56:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_tx_timeout [2021-12-16 04:56:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-12-16 04:56:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-12-16 04:56:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-16 04:56:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-16 04:56:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-16 04:56:14,076 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-16 04:56:14,076 INFO L130 BoogieDeclarations]: Found specification of procedure tlan_phy_detect [2021-12-16 04:56:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure tlan_phy_detect [2021-12-16 04:56:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:56:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:56:14,077 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-12-16 04:56:14,077 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-12-16 04:56:14,697 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:56:14,699 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:56:15,185 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:56:16,908 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6908: assume 0 == (tlan_eisa_probe_~tmp___1~5#1.base + tlan_eisa_probe_~tmp___1~5#1.offset) % 18446744073709551616; [2021-12-16 04:56:16,908 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6908: assume !(0 == (tlan_eisa_probe_~tmp___1~5#1.base + tlan_eisa_probe_~tmp___1~5#1.offset) % 18446744073709551616); [2021-12-16 04:56:16,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6913-1: tlan_eisa_probe_~tmp___2~2#1 := tlan_eisa_probe_#t~ret338#1;havoc tlan_eisa_probe_#t~ret338#1; [2021-12-16 04:56:16,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6913: SUMMARY for call tlan_eisa_probe_#t~ret338#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-16 04:56:16,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6980: SUMMARY for call tlan_eisa_probe_#t~ret343#1 := tlan_probe1(0, 0, tlan_eisa_probe_~ioaddr~0#1, tlan_eisa_probe_~irq~0#1, 12, 0, 0); srcloc: null [2021-12-16 04:56:16,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6915: assume 4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296; [2021-12-16 04:56:16,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6915: assume !(4366 != tlan_eisa_probe_~tmp___2~2#1 % 65536 % 4294967296); [2021-12-16 04:56:16,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6917: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2021-12-16 04:56:16,909 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6987: assume -2147483648 <= tlan_eisa_probe_#t~ret343#1 && tlan_eisa_probe_#t~ret343#1 <= 2147483647;tlan_eisa_probe_~rc~2#1 := tlan_eisa_probe_#t~ret343#1;havoc tlan_eisa_probe_#t~ret343#1; [2021-12-16 04:56:16,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923-1: tlan_eisa_probe_~device_id~1#1 := tlan_eisa_probe_#t~ret339#1;havoc tlan_eisa_probe_#t~ret339#1; [2021-12-16 04:56:16,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: SUMMARY for call tlan_eisa_probe_#t~ret339#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-16 04:56:16,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: assume 8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296; [2021-12-16 04:56:16,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: assume !(8433 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296 && 16625 != tlan_eisa_probe_~device_id~1#1 % 65536 % 4294967296); [2021-12-16 04:56:16,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6927: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2021-12-16 04:56:16,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6999-1: tlan_eisa_probe_~ioaddr~0#1 := 4096 + tlan_eisa_probe_~ioaddr~0#1; [2021-12-16 04:56:16,910 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6933-1: tlan_eisa_probe_~tmp___3~2#1 := tlan_eisa_probe_#t~ret340#1;havoc tlan_eisa_probe_#t~ret340#1; [2021-12-16 04:56:16,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6933: SUMMARY for call tlan_eisa_probe_#t~ret340#1 := inb((if (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3204 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-16 04:56:16,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: assume 1 != tlan_eisa_probe_~tmp___3~2#1 % 256 % 4294967296; [2021-12-16 04:56:16,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: assume !(1 != tlan_eisa_probe_~tmp___3~2#1 % 256 % 4294967296); [2021-12-16 04:56:16,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937-1: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet345#1; [2021-12-16 04:56:16,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937-1: assume !(16 == ~debug~0); [2021-12-16 04:56:16,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: SUMMARY for call __release_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16); srcloc: null [2021-12-16 04:56:16,911 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6942: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet341#1; [2021-12-16 04:56:16,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6942: assume !(16 == ~debug~0); [2021-12-16 04:56:16,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7008: assume tlan_eisa_probe_~ioaddr~0#1 <= 36863; [2021-12-16 04:56:16,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7008: assume !(tlan_eisa_probe_~ioaddr~0#1 <= 36863); [2021-12-16 04:56:16,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6942-2: SUMMARY for call tlan_eisa_probe_#t~ret342#1 := inb((if (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3264 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-16 04:56:16,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7010: assume 0 != ~bitwiseAnd(~debug~0, 16); [2021-12-16 04:56:16,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L7010: assume !(0 != ~bitwiseAnd(~debug~0, 16)); [2021-12-16 04:56:16,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6949: tlan_eisa_probe_~tmp___4~0#1 := tlan_eisa_probe_#t~ret342#1;havoc tlan_eisa_probe_#t~ret342#1; [2021-12-16 04:56:16,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6884-1: assume 0 != ~bitwiseAnd(~debug~0, 16); [2021-12-16 04:56:16,913 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6884-1: assume !(0 != ~bitwiseAnd(~debug~0, 16)); [2021-12-16 04:56:16,913 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: SUMMARY for call tlan_eisa_probe_#t~ret332#1 := inw((if (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3200 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-16 04:56:16,913 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6952: assume 16 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-16 04:56:16,913 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6952: assume !(16 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2021-12-16 04:56:16,913 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886-1: tlan_eisa_probe_~tmp~35#1 := tlan_eisa_probe_#t~ret332#1;havoc tlan_eisa_probe_#t~ret332#1;havoc tlan_eisa_probe_#t~nondet333#1; [2021-12-16 04:56:16,913 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6953: tlan_eisa_probe_~irq~0#1 := 5; [2021-12-16 04:56:16,913 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6956: assume 32 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-16 04:56:16,914 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6956: assume !(32 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2021-12-16 04:56:16,914 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6891-1: assume 0 != ~bitwiseAnd(~debug~0, 16);havoc tlan_eisa_probe_#t~nondet336#1; [2021-12-16 04:56:16,914 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6891-1: assume !(0 != ~bitwiseAnd(~debug~0, 16)); [2021-12-16 04:56:16,914 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6957: tlan_eisa_probe_~irq~0#1 := 9; [2021-12-16 04:56:16,914 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6893-1: tlan_eisa_probe_~tmp___0~12#1 := tlan_eisa_probe_#t~ret334#1;havoc tlan_eisa_probe_#t~ret334#1;havoc tlan_eisa_probe_#t~nondet335#1; [2021-12-16 04:56:16,914 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6893: SUMMARY for call tlan_eisa_probe_#t~ret334#1 := inw((if (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 <= 2147483647 then (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 else (3202 + tlan_eisa_probe_~ioaddr~0#1) % 4294967296 % 4294967296 - 4294967296)); srcloc: null [2021-12-16 04:56:16,914 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6960: assume 64 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-16 04:56:16,914 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6960: assume !(64 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2021-12-16 04:56:16,915 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6961: tlan_eisa_probe_~irq~0#1 := 10; [2021-12-16 04:56:16,915 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6964: assume 128 == tlan_eisa_probe_~tmp___4~0#1 % 256; [2021-12-16 04:56:16,915 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6964: assume !(128 == tlan_eisa_probe_~tmp___4~0#1 % 256); [2021-12-16 04:56:16,915 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898-1: call tlan_eisa_probe_#t~ret337#1.base, tlan_eisa_probe_#t~ret337#1.offset := __request_region(~#ioport_resource~0.base, ~#ioport_resource~0.offset, tlan_eisa_probe_~ioaddr~0#1, 16, ~#tlan_signature~0.base, ~#tlan_signature~0.offset, 0);tlan_eisa_probe_~tmp___1~5#1.base, tlan_eisa_probe_~tmp___1~5#1.offset := tlan_eisa_probe_#t~ret337#1.base, tlan_eisa_probe_#t~ret337#1.offset;havoc tlan_eisa_probe_#t~ret337#1.base, tlan_eisa_probe_#t~ret337#1.offset; [2021-12-16 04:56:16,915 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-16 04:56:16,915 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6965: tlan_eisa_probe_~irq~0#1 := 11; [2021-12-16 04:56:16,915 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6968: assume 16 == ~debug~0;havoc tlan_eisa_probe_#t~nondet344#1; [2021-12-16 04:56:16,915 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L6968: assume !(16 == ~debug~0); [2021-12-16 04:56:16,972 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:56:16,984 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:56:16,985 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-16 04:56:16,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:56:16 BoogieIcfgContainer [2021-12-16 04:56:16,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:56:16,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:56:16,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:56:16,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:56:16,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:56:10" (1/3) ... [2021-12-16 04:56:16,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d56f89a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:56:16, skipping insertion in model container [2021-12-16 04:56:16,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:56:13" (2/3) ... [2021-12-16 04:56:16,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d56f89a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:56:16, skipping insertion in model container [2021-12-16 04:56:16,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:56:16" (3/3) ... [2021-12-16 04:56:16,993 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-ti-tlan.cil.i [2021-12-16 04:56:16,997 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:56:16,997 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-16 04:56:17,033 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:56:17,037 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 [2021-12-16 04:56:17,037 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-16 04:56:17,080 INFO L276 IsEmpty]: Start isEmpty. Operand has 2073 states, 1372 states have (on average 1.2653061224489797) internal successors, (1736), 1415 states have internal predecessors, (1736), 600 states have call successors, (600), 100 states have call predecessors, (600), 99 states have return successors, (595), 581 states have call predecessors, (595), 595 states have call successors, (595) [2021-12-16 04:56:17,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-16 04:56:17,089 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:56:17,090 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:56:17,091 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:56:17,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:56:17,094 INFO L85 PathProgramCache]: Analyzing trace with hash -2008765258, now seen corresponding path program 1 times [2021-12-16 04:56:17,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:56:17,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509777665] [2021-12-16 04:56:17,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:56:17,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:56:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:17,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:56:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:17,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:17,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:56:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:17,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:17,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:56:17,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:17,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:17,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:56:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:17,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:17,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:56:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:17,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:17,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:56:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:17,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:17,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-16 04:56:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:17,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:56:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:17,607 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-16 04:56:17,607 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:56:17,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509777665] [2021-12-16 04:56:17,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509777665] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:56:17,608 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:56:17,608 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:56:17,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637050419] [2021-12-16 04:56:17,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:56:17,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:56:17,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:56:17,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:56:17,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:56:17,634 INFO L87 Difference]: Start difference. First operand has 2073 states, 1372 states have (on average 1.2653061224489797) internal successors, (1736), 1415 states have internal predecessors, (1736), 600 states have call successors, (600), 100 states have call predecessors, (600), 99 states have return successors, (595), 581 states have call predecessors, (595), 595 states have call successors, (595) Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-16 04:56:24,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:56:24,492 INFO L93 Difference]: Finished difference Result 6778 states and 10975 transitions. [2021-12-16 04:56:24,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:56:24,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 89 [2021-12-16 04:56:24,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:56:24,562 INFO L225 Difference]: With dead ends: 6778 [2021-12-16 04:56:24,562 INFO L226 Difference]: Without dead ends: 4711 [2021-12-16 04:56:24,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:56:24,598 INFO L933 BasicCegarLoop]: 3315 mSDtfsCounter, 4141 mSDsluCounter, 3786 mSDsCounter, 0 mSdLazyCounter, 2350 mSolverCounterSat, 2443 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4634 SdHoareTripleChecker+Valid, 7101 SdHoareTripleChecker+Invalid, 4793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2443 IncrementalHoareTripleChecker+Valid, 2350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:56:24,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4634 Valid, 7101 Invalid, 4793 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2443 Valid, 2350 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2021-12-16 04:56:24,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4711 states. [2021-12-16 04:56:24,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4711 to 4043. [2021-12-16 04:56:24,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4043 states, 2676 states have (on average 1.257473841554559) internal successors, (3365), 2760 states have internal predecessors, (3365), 1169 states have call successors, (1169), 197 states have call predecessors, (1169), 196 states have return successors, (1167), 1139 states have call predecessors, (1167), 1167 states have call successors, (1167) [2021-12-16 04:56:24,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4043 states to 4043 states and 5701 transitions. [2021-12-16 04:56:24,973 INFO L78 Accepts]: Start accepts. Automaton has 4043 states and 5701 transitions. Word has length 89 [2021-12-16 04:56:24,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:56:24,974 INFO L470 AbstractCegarLoop]: Abstraction has 4043 states and 5701 transitions. [2021-12-16 04:56:24,974 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-16 04:56:24,974 INFO L276 IsEmpty]: Start isEmpty. Operand 4043 states and 5701 transitions. [2021-12-16 04:56:24,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-16 04:56:24,981 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:56:24,981 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:56:24,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:56:24,982 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:56:24,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:56:24,983 INFO L85 PathProgramCache]: Analyzing trace with hash 324861074, now seen corresponding path program 1 times [2021-12-16 04:56:24,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:56:24,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269241327] [2021-12-16 04:56:24,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:56:24,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:56:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:25,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:56:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:25,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:25,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:56:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:25,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:25,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:56:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:25,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:25,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:56:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:25,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:25,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:56:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:25,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:25,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:56:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:25,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:25,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-16 04:56:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:25,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-16 04:56:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:25,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:56:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:25,217 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-16 04:56:25,217 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:56:25,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269241327] [2021-12-16 04:56:25,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269241327] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:56:25,218 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:56:25,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:56:25,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416842423] [2021-12-16 04:56:25,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:56:25,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:56:25,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:56:25,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:56:25,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:56:25,220 INFO L87 Difference]: Start difference. First operand 4043 states and 5701 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-12-16 04:56:34,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:56:34,749 INFO L93 Difference]: Finished difference Result 9732 states and 14338 transitions. [2021-12-16 04:56:34,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:56:34,749 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 115 [2021-12-16 04:56:34,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:56:34,840 INFO L225 Difference]: With dead ends: 9732 [2021-12-16 04:56:34,840 INFO L226 Difference]: Without dead ends: 5706 [2021-12-16 04:56:34,859 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:56:34,861 INFO L933 BasicCegarLoop]: 2866 mSDtfsCounter, 4809 mSDsluCounter, 2203 mSDsCounter, 0 mSdLazyCounter, 3215 mSolverCounterSat, 3492 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5146 SdHoareTripleChecker+Valid, 5069 SdHoareTripleChecker+Invalid, 6707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3492 IncrementalHoareTripleChecker+Valid, 3215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-12-16 04:56:34,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5146 Valid, 5069 Invalid, 6707 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3492 Valid, 3215 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2021-12-16 04:56:34,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5706 states. [2021-12-16 04:56:35,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5706 to 4731. [2021-12-16 04:56:35,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4731 states, 3179 states have (on average 1.2510223340673168) internal successors, (3977), 3286 states have internal predecessors, (3977), 1301 states have call successors, (1301), 264 states have call predecessors, (1301), 249 states have return successors, (1316), 1240 states have call predecessors, (1316), 1299 states have call successors, (1316) [2021-12-16 04:56:35,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4731 states to 4731 states and 6594 transitions. [2021-12-16 04:56:35,166 INFO L78 Accepts]: Start accepts. Automaton has 4731 states and 6594 transitions. Word has length 115 [2021-12-16 04:56:35,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:56:35,167 INFO L470 AbstractCegarLoop]: Abstraction has 4731 states and 6594 transitions. [2021-12-16 04:56:35,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2021-12-16 04:56:35,168 INFO L276 IsEmpty]: Start isEmpty. Operand 4731 states and 6594 transitions. [2021-12-16 04:56:35,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-16 04:56:35,176 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:56:35,177 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 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] [2021-12-16 04:56:35,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:56:35,177 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:56:35,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:56:35,177 INFO L85 PathProgramCache]: Analyzing trace with hash 132311183, now seen corresponding path program 1 times [2021-12-16 04:56:35,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:56:35,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615190564] [2021-12-16 04:56:35,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:56:35,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:56:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:56:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:56:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:35,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:56:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:56:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:56:35,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:56:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-16 04:56:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-16 04:56:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-16 04:56:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-16 04:56:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-16 04:56:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-16 04:56:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-16 04:56:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-16 04:56:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:35,536 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-12-16 04:56:35,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:56:35,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615190564] [2021-12-16 04:56:35,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615190564] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:56:35,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:56:35,539 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:56:35,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978591402] [2021-12-16 04:56:35,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:56:35,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:56:35,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:56:35,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:56:35,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:56:35,544 INFO L87 Difference]: Start difference. First operand 4731 states and 6594 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-16 04:56:44,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:56:44,790 INFO L93 Difference]: Finished difference Result 12089 states and 17768 transitions. [2021-12-16 04:56:44,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:56:44,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 145 [2021-12-16 04:56:44,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:56:44,903 INFO L225 Difference]: With dead ends: 12089 [2021-12-16 04:56:44,904 INFO L226 Difference]: Without dead ends: 8831 [2021-12-16 04:56:44,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:56:44,932 INFO L933 BasicCegarLoop]: 4876 mSDtfsCounter, 3498 mSDsluCounter, 4601 mSDsCounter, 0 mSdLazyCounter, 2364 mSolverCounterSat, 1954 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3946 SdHoareTripleChecker+Valid, 9477 SdHoareTripleChecker+Invalid, 4318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1954 IncrementalHoareTripleChecker+Valid, 2364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2021-12-16 04:56:44,934 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3946 Valid, 9477 Invalid, 4318 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1954 Valid, 2364 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2021-12-16 04:56:44,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8831 states. [2021-12-16 04:56:45,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8831 to 7853. [2021-12-16 04:56:45,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7853 states, 5280 states have (on average 1.2505681818181817) internal successors, (6603), 5460 states have internal predecessors, (6603), 2157 states have call successors, (2157), 442 states have call predecessors, (2157), 414 states have return successors, (2189), 2050 states have call predecessors, (2189), 2155 states have call successors, (2189) [2021-12-16 04:56:45,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7853 states to 7853 states and 10949 transitions. [2021-12-16 04:56:45,444 INFO L78 Accepts]: Start accepts. Automaton has 7853 states and 10949 transitions. Word has length 145 [2021-12-16 04:56:45,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:56:45,445 INFO L470 AbstractCegarLoop]: Abstraction has 7853 states and 10949 transitions. [2021-12-16 04:56:45,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2021-12-16 04:56:45,445 INFO L276 IsEmpty]: Start isEmpty. Operand 7853 states and 10949 transitions. [2021-12-16 04:56:45,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-16 04:56:45,449 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:56:45,449 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 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] [2021-12-16 04:56:45,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 04:56:45,450 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:56:45,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:56:45,451 INFO L85 PathProgramCache]: Analyzing trace with hash -685337267, now seen corresponding path program 1 times [2021-12-16 04:56:45,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:56:45,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412028112] [2021-12-16 04:56:45,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:56:45,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:56:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:56:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:56:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:56:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:56:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:56:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:56:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-16 04:56:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-16 04:56:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-16 04:56:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-16 04:56:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-16 04:56:45,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-16 04:56:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-16 04:56:45,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-16 04:56:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:45,797 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2021-12-16 04:56:45,797 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:56:45,798 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412028112] [2021-12-16 04:56:45,798 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412028112] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:56:45,798 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:56:45,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:56:45,798 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651002671] [2021-12-16 04:56:45,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:56:45,799 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:56:45,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:56:45,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:56:45,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:56:45,801 INFO L87 Difference]: Start difference. First operand 7853 states and 10949 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-16 04:56:50,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:56:50,081 INFO L93 Difference]: Finished difference Result 8825 states and 13230 transitions. [2021-12-16 04:56:50,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:56:50,081 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 145 [2021-12-16 04:56:50,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:56:50,158 INFO L225 Difference]: With dead ends: 8825 [2021-12-16 04:56:50,158 INFO L226 Difference]: Without dead ends: 8139 [2021-12-16 04:56:50,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:56:50,180 INFO L933 BasicCegarLoop]: 2804 mSDtfsCounter, 3388 mSDsluCounter, 3729 mSDsCounter, 0 mSdLazyCounter, 1550 mSolverCounterSat, 1619 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3671 SdHoareTripleChecker+Valid, 6533 SdHoareTripleChecker+Invalid, 3169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1619 IncrementalHoareTripleChecker+Valid, 1550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-16 04:56:50,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3671 Valid, 6533 Invalid, 3169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1619 Valid, 1550 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-16 04:56:50,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8139 states. [2021-12-16 04:56:50,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8139 to 7158. [2021-12-16 04:56:50,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7158 states, 4780 states have (on average 1.238284518828452) internal successors, (5919), 4929 states have internal predecessors, (5919), 1975 states have call successors, (1975), 427 states have call predecessors, (1975), 402 states have return successors, (1997), 1892 states have call predecessors, (1997), 1975 states have call successors, (1997) [2021-12-16 04:56:50,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7158 states to 7158 states and 9891 transitions. [2021-12-16 04:56:50,725 INFO L78 Accepts]: Start accepts. Automaton has 7158 states and 9891 transitions. Word has length 145 [2021-12-16 04:56:50,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:56:50,726 INFO L470 AbstractCegarLoop]: Abstraction has 7158 states and 9891 transitions. [2021-12-16 04:56:50,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-16 04:56:50,727 INFO L276 IsEmpty]: Start isEmpty. Operand 7158 states and 9891 transitions. [2021-12-16 04:56:50,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-12-16 04:56:50,737 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:56:50,738 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 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] [2021-12-16 04:56:50,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 04:56:50,738 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:56:50,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:56:50,739 INFO L85 PathProgramCache]: Analyzing trace with hash 111027983, now seen corresponding path program 1 times [2021-12-16 04:56:50,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:56:50,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782963898] [2021-12-16 04:56:50,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:56:50,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:56:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:56:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:56:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:56:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:56:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:56:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:56:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-16 04:56:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-16 04:56:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-16 04:56:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-16 04:56:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:56:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-16 04:56:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:56:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:50,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-16 04:56:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:51,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:56:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:51,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-16 04:56:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:51,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-16 04:56:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:56:51,079 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2021-12-16 04:56:51,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:56:51,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782963898] [2021-12-16 04:56:51,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782963898] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:56:51,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:56:51,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:56:51,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341632264] [2021-12-16 04:56:51,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:56:51,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:56:51,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:56:51,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:56:51,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:56:51,081 INFO L87 Difference]: Start difference. First operand 7158 states and 9891 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-16 04:57:04,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:57:04,256 INFO L93 Difference]: Finished difference Result 16315 states and 23604 transitions. [2021-12-16 04:57:04,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-16 04:57:04,257 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 179 [2021-12-16 04:57:04,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:57:04,352 INFO L225 Difference]: With dead ends: 16315 [2021-12-16 04:57:04,353 INFO L226 Difference]: Without dead ends: 10588 [2021-12-16 04:57:04,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-12-16 04:57:04,385 INFO L933 BasicCegarLoop]: 3650 mSDtfsCounter, 1899 mSDsluCounter, 4240 mSDsCounter, 0 mSdLazyCounter, 4862 mSolverCounterSat, 1442 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2173 SdHoareTripleChecker+Valid, 7890 SdHoareTripleChecker+Invalid, 6304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1442 IncrementalHoareTripleChecker+Valid, 4862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:57:04,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2173 Valid, 7890 Invalid, 6304 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1442 Valid, 4862 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2021-12-16 04:57:04,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10588 states. [2021-12-16 04:57:04,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10588 to 8805. [2021-12-16 04:57:04,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8805 states, 5945 states have (on average 1.24053826745164) internal successors, (7375), 6125 states have internal predecessors, (7375), 2356 states have call successors, (2356), 541 states have call predecessors, (2356), 503 states have return successors, (2382), 2245 states have call predecessors, (2382), 2356 states have call successors, (2382) [2021-12-16 04:57:05,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8805 states to 8805 states and 12113 transitions. [2021-12-16 04:57:05,010 INFO L78 Accepts]: Start accepts. Automaton has 8805 states and 12113 transitions. Word has length 179 [2021-12-16 04:57:05,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:57:05,011 INFO L470 AbstractCegarLoop]: Abstraction has 8805 states and 12113 transitions. [2021-12-16 04:57:05,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-16 04:57:05,011 INFO L276 IsEmpty]: Start isEmpty. Operand 8805 states and 12113 transitions. [2021-12-16 04:57:05,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-16 04:57:05,034 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:57:05,034 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 9, 9, 9, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:57:05,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 04:57:05,034 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:57:05,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:57:05,035 INFO L85 PathProgramCache]: Analyzing trace with hash -2062630856, now seen corresponding path program 1 times [2021-12-16 04:57:05,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:57:05,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482839925] [2021-12-16 04:57:05,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:57:05,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:57:05,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:57:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:57:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:57:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:57:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:57:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:57:05,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:57:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:57:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:57:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:57:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:57:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:57:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-16 04:57:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-16 04:57:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-16 04:57:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-12-16 04:57:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:57:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-16 04:57:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:57:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-16 04:57:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:57:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-16 04:57:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:57:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:57:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:57:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-16 04:57:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:57:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:57:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:57:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-16 04:57:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-16 04:57:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-16 04:57:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-16 04:57:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:57:05,408 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2021-12-16 04:57:05,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:57:05,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482839925] [2021-12-16 04:57:05,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482839925] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:57:05,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:57:05,409 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:57:05,409 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295136724] [2021-12-16 04:57:05,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:57:05,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:57:05,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:57:05,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:57:05,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:57:05,411 INFO L87 Difference]: Start difference. First operand 8805 states and 12113 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24)