./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-jme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-jme.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 73868717431db2e2213c78014bba9664fa2a1aea672a285381bce5667bb4d0d4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:35:26,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:35:26,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:35:26,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:35:26,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:35:26,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:35:26,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:35:26,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:35:26,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:35:26,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:35:26,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:35:26,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:35:26,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:35:26,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:35:26,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:35:26,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:35:26,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:35:26,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:35:26,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:35:26,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:35:26,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:35:26,860 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:35:26,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:35:26,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:35:26,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:35:26,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:35:26,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:35:26,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:35:26,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:35:26,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:35:26,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:35:26,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:35:26,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:35:26,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:35:26,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:35:26,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:35:26,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:35:26,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:35:26,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:35:26,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:35:26,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:35:26,880 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:35:26,916 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:35:26,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:35:26,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:35:26,917 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:35:26,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:35:26,918 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:35:26,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:35:26,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:35:26,920 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:35:26,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:35:26,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:35:26,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:35:26,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:35:26,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:35:26,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:35:26,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:35:26,922 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:35:26,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:35:26,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:35:26,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:35:26,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:35:26,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:35:26,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:35:26,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:35:26,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:35:26,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:35:26,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:35:26,924 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:35:26,924 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:35:26,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:35:26,925 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:35:26,925 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73868717431db2e2213c78014bba9664fa2a1aea672a285381bce5667bb4d0d4 [2021-12-22 15:35:27,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:35:27,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:35:27,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:35:27,285 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:35:27,286 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:35:27,287 INFO L432 ainManager$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-jme.cil.i [2021-12-22 15:35:27,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b6ee8286/9542911269724269a123af6083dce38d/FLAGcb12dc992 [2021-12-22 15:35:28,210 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:35:28,211 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-jme.cil.i [2021-12-22 15:35:28,286 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b6ee8286/9542911269724269a123af6083dce38d/FLAGcb12dc992 [2021-12-22 15:35:28,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b6ee8286/9542911269724269a123af6083dce38d [2021-12-22 15:35:28,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:35:28,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:35:28,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:35:28,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:35:28,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:35:28,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:35:28" (1/1) ... [2021-12-22 15:35:28,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ee4c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:35:28, skipping insertion in model container [2021-12-22 15:35:28,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:35:28" (1/1) ... [2021-12-22 15:35:28,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:35:28,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:35:32,142 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-jme.cil.i[421155,421168] [2021-12-22 15:35:32,145 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-jme.cil.i[421302,421315] [2021-12-22 15:35:32,147 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-jme.cil.i[421441,421454] [2021-12-22 15:35:32,147 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-jme.cil.i[421599,421612] [2021-12-22 15:35:32,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:35:32,203 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:35:32,599 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-jme.cil.i[421155,421168] [2021-12-22 15:35:32,600 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-jme.cil.i[421302,421315] [2021-12-22 15:35:32,600 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-jme.cil.i[421441,421454] [2021-12-22 15:35:32,600 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-jme.cil.i[421599,421612] [2021-12-22 15:35:32,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:35:32,910 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:35:32,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:35:32 WrapperNode [2021-12-22 15:35:32,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:35:32,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:35:32,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:35:32,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:35:32,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:35:32" (1/1) ... [2021-12-22 15:35:33,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:35:32" (1/1) ... [2021-12-22 15:35:33,296 INFO L137 Inliner]: procedures = 535, calls = 2700, calls flagged for inlining = 309, calls inlined = 257, statements flattened = 6025 [2021-12-22 15:35:33,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:35:33,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:35:33,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:35:33,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:35:33,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:35:32" (1/1) ... [2021-12-22 15:35:33,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:35:32" (1/1) ... [2021-12-22 15:35:33,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:35:32" (1/1) ... [2021-12-22 15:35:33,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:35:32" (1/1) ... [2021-12-22 15:35:33,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:35:32" (1/1) ... [2021-12-22 15:35:33,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:35:32" (1/1) ... [2021-12-22 15:35:33,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:35:32" (1/1) ... [2021-12-22 15:35:33,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:35:33,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:35:33,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:35:33,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:35:33,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:35:32" (1/1) ... [2021-12-22 15:35:33,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:35:33,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:35:33,632 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) [2021-12-22 15:35:33,658 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 [2021-12-22 15:35:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-22 15:35:33,671 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-22 15:35:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-22 15:35:33,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-22 15:35:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-22 15:35:33,672 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-22 15:35:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:35:33,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:35:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2021-12-22 15:35:33,672 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2021-12-22 15:35:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:35:33,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:35:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2021-12-22 15:35:33,673 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2021-12-22 15:35:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-22 15:35:33,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-22 15:35:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2021-12-22 15:35:33,674 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2021-12-22 15:35:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:35:33,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:35:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:35:33,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:35:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2021-12-22 15:35:33,674 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2021-12-22 15:35:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2021-12-22 15:35:33,675 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2021-12-22 15:35:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-22 15:35:33,675 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-22 15:35:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-22 15:35:33,675 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-22 15:35:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:35:33,676 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:35:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:35:33,676 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:35:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2021-12-22 15:35:33,676 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2021-12-22 15:35:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:35:33,676 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:35:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure jme_netpoll [2021-12-22 15:35:33,677 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_netpoll [2021-12-22 15:35:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2021-12-22 15:35:33,677 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2021-12-22 15:35:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:35:33,677 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:35:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:35:33,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:35:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:35:33,678 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:35:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:35:33,678 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:35:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-22 15:35:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:35:33,678 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:35:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:35:33,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:35:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-22 15:35:33,679 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-22 15:35:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:35:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 15:35:33,680 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 15:35:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2021-12-22 15:35:33,680 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2021-12-22 15:35:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2021-12-22 15:35:33,680 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2021-12-22 15:35:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-12-22 15:35:33,680 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:35:33,681 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:35:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2021-12-22 15:35:33,681 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2021-12-22 15:35:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-12-22 15:35:33,681 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-12-22 15:35:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-22 15:35:33,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-22 15:35:33,681 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:35:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2021-12-22 15:35:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2021-12-22 15:35:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:35:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:35:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:35:33,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:35:33,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:35:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:35:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:35:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_calibration [2021-12-22 15:35:33,683 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_calibration [2021-12-22 15:35:33,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:35:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:35:33,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:35:33,684 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2021-12-22 15:35:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2021-12-22 15:35:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:35:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:35:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-22 15:35:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-22 15:35:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:35:33,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:35:33,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:35:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:35:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2021-12-22 15:35:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2021-12-22 15:35:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-22 15:35:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-22 15:35:33,686 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:35:33,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:35:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2021-12-22 15:35:33,687 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2021-12-22 15:35:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2021-12-22 15:35:33,687 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2021-12-22 15:35:33,687 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2021-12-22 15:35:33,687 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2021-12-22 15:35:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:35:33,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:35:33,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:35:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:35:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:35:33,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-22 15:35:33,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-22 15:35:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-12-22 15:35:33,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-12-22 15:35:33,692 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2021-12-22 15:35:33,693 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2021-12-22 15:35:33,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:35:33,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:35:33,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:35:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:35:33,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:35:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:35:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-22 15:35:33,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-22 15:35:33,699 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:35:33,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:35:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:35:33,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:35:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-12-22 15:35:33,700 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-12-22 15:35:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 15:35:33,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 15:35:33,700 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2021-12-22 15:35:33,701 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2021-12-22 15:35:33,701 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:35:33,701 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:35:33,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:35:33,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:35:33,701 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 15:35:33,701 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 15:35:33,701 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:35:33,701 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:35:33,702 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2021-12-22 15:35:33,702 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2021-12-22 15:35:33,702 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-22 15:35:33,702 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-22 15:35:33,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:35:33,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:35:33,702 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-12-22 15:35:33,702 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-12-22 15:35:33,703 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-22 15:35:33,703 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-22 15:35:33,703 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2021-12-22 15:35:33,703 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2021-12-22 15:35:33,703 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2021-12-22 15:35:33,703 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2021-12-22 15:35:33,703 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:35:33,703 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:35:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2021-12-22 15:35:33,704 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2021-12-22 15:35:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:35:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2021-12-22 15:35:33,704 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2021-12-22 15:35:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:35:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:35:33,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:35:33,705 INFO L130 BoogieDeclarations]: Found specification of procedure jme_remove_one [2021-12-22 15:35:33,705 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_remove_one [2021-12-22 15:35:33,705 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2021-12-22 15:35:33,705 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2021-12-22 15:35:33,705 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2021-12-22 15:35:33,705 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2021-12-22 15:35:33,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2021-12-22 15:35:33,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2021-12-22 15:35:33,706 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2021-12-22 15:35:33,706 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2021-12-22 15:35:33,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 15:35:33,706 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 15:35:33,706 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-22 15:35:33,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-22 15:35:33,706 INFO L130 BoogieDeclarations]: Found specification of procedure jme_intr_msi [2021-12-22 15:35:33,706 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_intr_msi [2021-12-22 15:35:33,707 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2021-12-22 15:35:33,707 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2021-12-22 15:35:33,707 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2021-12-22 15:35:33,707 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2021-12-22 15:35:33,707 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2021-12-22 15:35:33,707 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2021-12-22 15:35:33,707 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-22 15:35:33,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-22 15:35:33,707 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 15:35:33,708 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 15:35:33,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:35:33,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:35:33,708 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:35:33,708 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:35:33,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-22 15:35:33,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-22 15:35:33,708 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-12-22 15:35:33,709 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-12-22 15:35:33,709 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2021-12-22 15:35:33,709 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2021-12-22 15:35:33,709 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:35:33,709 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:35:33,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:35:33,709 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-22 15:35:33,709 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-22 15:35:33,710 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:35:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:35:33,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2021-12-22 15:35:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2021-12-22 15:35:33,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:35:33,710 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2021-12-22 15:35:33,710 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2021-12-22 15:35:33,710 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2021-12-22 15:35:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2021-12-22 15:35:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2021-12-22 15:35:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2021-12-22 15:35:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:35:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2021-12-22 15:35:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2021-12-22 15:35:33,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:35:33,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:35:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-22 15:35:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-22 15:35:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:35:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:35:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:35:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:35:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2021-12-22 15:35:33,712 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2021-12-22 15:35:33,712 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_setEA [2021-12-22 15:35:33,713 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_setEA [2021-12-22 15:35:33,713 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-22 15:35:33,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-22 15:35:33,716 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2021-12-22 15:35:33,716 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2021-12-22 15:35:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-22 15:35:33,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-22 15:35:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2021-12-22 15:35:33,717 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2021-12-22 15:35:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:35:33,717 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:35:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:35:33,718 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:35:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_read [2021-12-22 15:35:33,719 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_read [2021-12-22 15:35:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2021-12-22 15:35:33,719 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2021-12-22 15:35:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2021-12-22 15:35:33,763 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2021-12-22 15:35:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2021-12-22 15:35:33,763 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2021-12-22 15:35:33,763 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:35:33,763 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:35:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-22 15:35:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-22 15:35:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2021-12-22 15:35:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2021-12-22 15:35:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:35:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:35:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure jme_shutdown [2021-12-22 15:35:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_shutdown [2021-12-22 15:35:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:35:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2021-12-22 15:35:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2021-12-22 15:35:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2021-12-22 15:35:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2021-12-22 15:35:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2021-12-22 15:35:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2021-12-22 15:35:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:35:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:35:33,764 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-22 15:35:33,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-22 15:35:33,765 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_write [2021-12-22 15:35:33,765 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_write [2021-12-22 15:35:33,765 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:35:33,765 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:35:33,765 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2021-12-22 15:35:33,765 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2021-12-22 15:35:33,765 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2021-12-22 15:35:33,765 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2021-12-22 15:35:33,765 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-22 15:35:33,765 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-22 15:35:33,765 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-22 15:35:33,765 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-22 15:35:33,765 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2021-12-22 15:35:33,765 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2021-12-22 15:35:33,765 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2021-12-22 15:35:33,765 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2021-12-22 15:35:33,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:35:33,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:35:33,766 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2021-12-22 15:35:33,766 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2021-12-22 15:35:33,766 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2021-12-22 15:35:33,766 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2021-12-22 15:35:33,766 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2021-12-22 15:35:33,766 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2021-12-22 15:35:33,766 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2021-12-22 15:35:33,766 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2021-12-22 15:35:33,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-22 15:35:33,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-22 15:35:33,766 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:35:33,766 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:35:33,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:35:33,766 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2021-12-22 15:35:33,766 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2021-12-22 15:35:33,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:35:33,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:35:33,767 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-12-22 15:35:33,767 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-12-22 15:35:33,767 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2021-12-22 15:35:33,767 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2021-12-22 15:35:34,660 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:35:34,663 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:35:35,091 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:35:38,701 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:35:38,834 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:35:38,853 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:35:38,853 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-22 15:35:38,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:35:38 BoogieIcfgContainer [2021-12-22 15:35:38,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:35:38,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:35:38,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:35:38,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:35:38,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:35:28" (1/3) ... [2021-12-22 15:35:38,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb76dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:35:38, skipping insertion in model container [2021-12-22 15:35:38,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:35:32" (2/3) ... [2021-12-22 15:35:38,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fb76dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:35:38, skipping insertion in model container [2021-12-22 15:35:38,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:35:38" (3/3) ... [2021-12-22 15:35:38,866 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-jme.cil.i [2021-12-22 15:35:38,870 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:35:38,871 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-22 15:35:38,922 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:35:38,928 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 [2021-12-22 15:35:38,928 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-22 15:35:38,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 2623 states, 1769 states have (on average 1.2679479932165065) internal successors, (2243), 1819 states have internal predecessors, (2243), 707 states have call successors, (707), 150 states have call predecessors, (707), 149 states have return successors, (698), 682 states have call predecessors, (698), 698 states have call successors, (698) [2021-12-22 15:35:39,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-12-22 15:35:39,003 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:35:39,004 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:35:39,004 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:35:39,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:35:39,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1083525696, now seen corresponding path program 1 times [2021-12-22 15:35:39,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:35:39,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154531790] [2021-12-22 15:35:39,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:35:39,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:35:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:35:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:35:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:35:39,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:35:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:35:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:35:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:35:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:35:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:35:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:35:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:35:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:35:39,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:35:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:35:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:39,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:35:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:40,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:40,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:35:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:40,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:40,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:35:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:40,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:40,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:35:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:40,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:40,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 15:35:40,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:40,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-22 15:35:40,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:40,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-12-22 15:35:40,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:35:40,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154531790] [2021-12-22 15:35:40,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154531790] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:35:40,119 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:35:40,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:35:40,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719674076] [2021-12-22 15:35:40,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:35:40,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:35:40,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:35:40,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:35:40,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:35:40,163 INFO L87 Difference]: Start difference. First operand has 2623 states, 1769 states have (on average 1.2679479932165065) internal successors, (2243), 1819 states have internal predecessors, (2243), 707 states have call successors, (707), 150 states have call predecessors, (707), 149 states have return successors, (698), 682 states have call predecessors, (698), 698 states have call successors, (698) Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-22 15:35:46,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:35:46,694 INFO L93 Difference]: Finished difference Result 7895 states and 11207 transitions. [2021-12-22 15:35:46,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:35:46,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 225 [2021-12-22 15:35:46,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:35:46,769 INFO L225 Difference]: With dead ends: 7895 [2021-12-22 15:35:46,770 INFO L226 Difference]: Without dead ends: 5299 [2021-12-22 15:35:46,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:35:46,812 INFO L933 BasicCegarLoop]: 3767 mSDtfsCounter, 4558 mSDsluCounter, 3898 mSDsCounter, 0 mSdLazyCounter, 2559 mSolverCounterSat, 2319 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5212 SdHoareTripleChecker+Valid, 7665 SdHoareTripleChecker+Invalid, 4878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2319 IncrementalHoareTripleChecker+Valid, 2559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-12-22 15:35:46,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5212 Valid, 7665 Invalid, 4878 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2319 Valid, 2559 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2021-12-22 15:35:46,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5299 states. [2021-12-22 15:35:47,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5299 to 5075. [2021-12-22 15:35:47,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5075 states, 3428 states have (on average 1.2613768961493583) internal successors, (4324), 3521 states have internal predecessors, (4324), 1350 states have call successors, (1350), 296 states have call predecessors, (1350), 295 states have return successors, (1347), 1315 states have call predecessors, (1347), 1347 states have call successors, (1347) [2021-12-22 15:35:47,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5075 states to 5075 states and 7021 transitions. [2021-12-22 15:35:47,210 INFO L78 Accepts]: Start accepts. Automaton has 5075 states and 7021 transitions. Word has length 225 [2021-12-22 15:35:47,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:35:47,219 INFO L470 AbstractCegarLoop]: Abstraction has 5075 states and 7021 transitions. [2021-12-22 15:35:47,222 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-22 15:35:47,222 INFO L276 IsEmpty]: Start isEmpty. Operand 5075 states and 7021 transitions. [2021-12-22 15:35:47,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-12-22 15:35:47,236 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:35:47,237 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:35:47,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:35:47,238 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:35:47,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:35:47,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1849670218, now seen corresponding path program 1 times [2021-12-22 15:35:47,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:35:47,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848654252] [2021-12-22 15:35:47,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:35:47,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:35:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:35:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:35:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:35:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:35:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:35:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:35:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:35:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:47,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:35:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:35:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:35:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:35:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:35:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:35:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:35:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:35:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:35:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:35:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:35:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 15:35:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-22 15:35:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-22 15:35:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:47,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2021-12-22 15:35:47,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:35:47,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848654252] [2021-12-22 15:35:47,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848654252] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:35:47,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:35:47,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:35:47,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514796113] [2021-12-22 15:35:47,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:35:47,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:35:47,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:35:47,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:35:47,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:35:47,892 INFO L87 Difference]: Start difference. First operand 5075 states and 7021 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-22 15:35:52,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:35:55,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:35:55,853 INFO L93 Difference]: Finished difference Result 12319 states and 17149 transitions. [2021-12-22 15:35:55,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:35:55,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 247 [2021-12-22 15:35:55,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:35:55,913 INFO L225 Difference]: With dead ends: 12319 [2021-12-22 15:35:55,914 INFO L226 Difference]: Without dead ends: 7285 [2021-12-22 15:35:55,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:35:55,941 INFO L933 BasicCegarLoop]: 3659 mSDtfsCounter, 4116 mSDsluCounter, 3875 mSDsCounter, 0 mSdLazyCounter, 2510 mSolverCounterSat, 2225 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4688 SdHoareTripleChecker+Valid, 7534 SdHoareTripleChecker+Invalid, 4736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2225 IncrementalHoareTripleChecker+Valid, 2510 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-12-22 15:35:55,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4688 Valid, 7534 Invalid, 4736 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2225 Valid, 2510 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2021-12-22 15:35:55,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7285 states. [2021-12-22 15:35:56,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7285 to 6947. [2021-12-22 15:35:56,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6947 states, 4702 states have (on average 1.2566992769034453) internal successors, (5909), 4830 states have internal predecessors, (5909), 1820 states have call successors, (1820), 425 states have call predecessors, (1820), 423 states have return successors, (1817), 1768 states have call predecessors, (1817), 1817 states have call successors, (1817) [2021-12-22 15:35:56,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6947 states to 6947 states and 9546 transitions. [2021-12-22 15:35:56,240 INFO L78 Accepts]: Start accepts. Automaton has 6947 states and 9546 transitions. Word has length 247 [2021-12-22 15:35:56,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:35:56,242 INFO L470 AbstractCegarLoop]: Abstraction has 6947 states and 9546 transitions. [2021-12-22 15:35:56,254 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-22 15:35:56,255 INFO L276 IsEmpty]: Start isEmpty. Operand 6947 states and 9546 transitions. [2021-12-22 15:35:56,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-12-22 15:35:56,261 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:35:56,262 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:35:56,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:35:56,262 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:35:56,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:35:56,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1107087926, now seen corresponding path program 1 times [2021-12-22 15:35:56,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:35:56,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165221490] [2021-12-22 15:35:56,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:35:56,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:35:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:35:56,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:35:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:35:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:35:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:35:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:35:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:35:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:35:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:35:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:35:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:35:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:35:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:35:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:35:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:35:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:35:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:35:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:35:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 15:35:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-22 15:35:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:35:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:35:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:35:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-22 15:35:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:35:56,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1435 trivial. 0 not checked. [2021-12-22 15:35:56,806 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:35:56,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165221490] [2021-12-22 15:35:56,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165221490] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:35:56,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:35:56,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:35:56,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717327263] [2021-12-22 15:35:56,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:35:56,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:35:56,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:35:56,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:35:56,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:35:56,810 INFO L87 Difference]: Start difference. First operand 6947 states and 9546 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-22 15:36:00,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:36:04,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:36:04,809 INFO L93 Difference]: Finished difference Result 18940 states and 26261 transitions. [2021-12-22 15:36:04,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:36:04,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 259 [2021-12-22 15:36:04,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:36:04,907 INFO L225 Difference]: With dead ends: 18940 [2021-12-22 15:36:04,907 INFO L226 Difference]: Without dead ends: 12034 [2021-12-22 15:36:04,957 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:36:04,958 INFO L933 BasicCegarLoop]: 3738 mSDtfsCounter, 4475 mSDsluCounter, 3893 mSDsCounter, 0 mSdLazyCounter, 2573 mSolverCounterSat, 2306 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5121 SdHoareTripleChecker+Valid, 7631 SdHoareTripleChecker+Invalid, 4879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2306 IncrementalHoareTripleChecker+Valid, 2573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-12-22 15:36:04,958 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5121 Valid, 7631 Invalid, 4879 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2306 Valid, 2573 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2021-12-22 15:36:04,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12034 states. [2021-12-22 15:36:05,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12034 to 11472. [2021-12-22 15:36:05,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11472 states, 7764 states have (on average 1.254765584750129) internal successors, (9742), 7986 states have internal predecessors, (9742), 3003 states have call successors, (3003), 706 states have call predecessors, (3003), 703 states have return successors, (3000), 2909 states have call predecessors, (3000), 3000 states have call successors, (3000) [2021-12-22 15:36:05,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11472 states to 11472 states and 15745 transitions. [2021-12-22 15:36:05,560 INFO L78 Accepts]: Start accepts. Automaton has 11472 states and 15745 transitions. Word has length 259 [2021-12-22 15:36:05,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:36:05,561 INFO L470 AbstractCegarLoop]: Abstraction has 11472 states and 15745 transitions. [2021-12-22 15:36:05,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-22 15:36:05,562 INFO L276 IsEmpty]: Start isEmpty. Operand 11472 states and 15745 transitions. [2021-12-22 15:36:05,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-12-22 15:36:05,572 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:36:05,572 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 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] [2021-12-22 15:36:05,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:36:05,573 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:36:05,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:36:05,573 INFO L85 PathProgramCache]: Analyzing trace with hash -778753907, now seen corresponding path program 1 times [2021-12-22 15:36:05,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:36:05,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688430600] [2021-12-22 15:36:05,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:36:05,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:36:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:05,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:36:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:05,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:05,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:36:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:05,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:05,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:36:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:05,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:05,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:36:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:05,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:05,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:36:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:05,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:05,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:36:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:05,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:05,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:36:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:05,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:05,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:36:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:36:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:36:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:36:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:36:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:36:06,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:36:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:36:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:36:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:36:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:36:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 15:36:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-22 15:36:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-22 15:36:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-22 15:36:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-22 15:36:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-22 15:36:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-22 15:36:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-22 15:36:06,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:06,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2021-12-22 15:36:06,332 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:36:06,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688430600] [2021-12-22 15:36:06,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688430600] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:36:06,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:36:06,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:36:06,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192800505] [2021-12-22 15:36:06,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:36:06,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:36:06,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:36:06,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:36:06,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:36:06,335 INFO L87 Difference]: Start difference. First operand 11472 states and 15745 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-22 15:36:10,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:36:10,270 INFO L93 Difference]: Finished difference Result 12021 states and 16733 transitions. [2021-12-22 15:36:10,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:36:10,270 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 281 [2021-12-22 15:36:10,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:36:10,346 INFO L225 Difference]: With dead ends: 12021 [2021-12-22 15:36:10,346 INFO L226 Difference]: Without dead ends: 11966 [2021-12-22 15:36:10,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-22 15:36:10,361 INFO L933 BasicCegarLoop]: 3313 mSDtfsCounter, 3657 mSDsluCounter, 3888 mSDsCounter, 0 mSdLazyCounter, 1832 mSolverCounterSat, 1603 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4037 SdHoareTripleChecker+Valid, 7201 SdHoareTripleChecker+Invalid, 3435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1603 IncrementalHoareTripleChecker+Valid, 1832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-22 15:36:10,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4037 Valid, 7201 Invalid, 3435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1603 Valid, 1832 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-22 15:36:10,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11966 states. [2021-12-22 15:36:10,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11966 to 11417. [2021-12-22 15:36:10,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11417 states, 7739 states have (on average 1.2540379894043159) internal successors, (9705), 7949 states have internal predecessors, (9705), 2976 states have call successors, (2976), 701 states have call predecessors, (2976), 701 states have return successors, (2976), 2896 states have call predecessors, (2976), 2976 states have call successors, (2976) [2021-12-22 15:36:10,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11417 states to 11417 states and 15657 transitions. [2021-12-22 15:36:10,863 INFO L78 Accepts]: Start accepts. Automaton has 11417 states and 15657 transitions. Word has length 281 [2021-12-22 15:36:10,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:36:10,864 INFO L470 AbstractCegarLoop]: Abstraction has 11417 states and 15657 transitions. [2021-12-22 15:36:10,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-22 15:36:10,864 INFO L276 IsEmpty]: Start isEmpty. Operand 11417 states and 15657 transitions. [2021-12-22 15:36:10,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-12-22 15:36:10,889 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:36:10,889 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:36:10,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:36:10,890 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:36:10,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:36:10,890 INFO L85 PathProgramCache]: Analyzing trace with hash 491508987, now seen corresponding path program 1 times [2021-12-22 15:36:10,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:36:10,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203188795] [2021-12-22 15:36:10,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:36:10,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:36:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:36:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:36:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:36:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:36:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:36:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:36:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:36:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:36:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:36:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:36:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:36:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:36:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:36:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:36:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:36:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:36:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:36:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-22 15:36:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 15:36:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-22 15:36:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-22 15:36:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-22 15:36:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-22 15:36:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-22 15:36:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:36:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-22 15:36:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-22 15:36:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-22 15:36:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-22 15:36:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:36:11,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2021-12-22 15:36:11,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:36:11,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203188795] [2021-12-22 15:36:11,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203188795] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:36:11,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:36:11,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:36:11,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502317921] [2021-12-22 15:36:11,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:36:11,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:36:11,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:36:11,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:36:11,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:36:11,528 INFO L87 Difference]: Start difference. First operand 11417 states and 15657 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-22 15:36:17,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:36:17,182 INFO L93 Difference]: Finished difference Result 25805 states and 35719 transitions. [2021-12-22 15:36:17,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:36:17,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 311 [2021-12-22 15:36:17,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted.