./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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-alloc-spinlock_drivers-net-irda-via-ircc.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 c727ee56ff8cf558c3dc08b64ebc267261ea17bdfb88e50734daf71ad89adc7d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:40:30,842 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:40:30,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:40:30,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:40:30,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:40:30,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:40:30,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:40:30,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:40:30,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:40:30,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:40:30,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:40:30,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:40:30,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:40:30,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:40:30,917 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:40:30,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:40:30,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:40:30,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:40:30,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:40:30,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:40:30,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:40:30,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:40:30,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:40:30,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:40:30,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:40:30,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:40:30,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:40:30,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:40:30,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:40:30,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:40:30,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:40:30,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:40:30,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:40:30,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:40:30,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:40:30,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:40:30,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:40:30,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:40:30,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:40:30,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:40:30,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:40:30,955 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:40:30,992 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:40:30,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:40:30,993 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:40:30,994 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:40:30,995 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:40:30,995 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:40:30,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:40:30,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:40:30,996 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:40:30,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:40:30,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:40:30,998 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:40:30,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:40:30,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:40:30,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:40:30,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:40:30,998 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:40:30,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:40:30,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:40:30,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:40:30,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:40:30,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:40:31,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:40:31,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:40:31,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:40:31,000 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:40:31,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:40:31,000 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:40:31,001 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:40:31,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:40:31,001 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c727ee56ff8cf558c3dc08b64ebc267261ea17bdfb88e50734daf71ad89adc7d [2021-12-28 04:40:31,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:40:31,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:40:31,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:40:31,387 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:40:31,387 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:40:31,389 INFO L432 ainManager$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-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2021-12-28 04:40:31,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc498cd5e/49f0e5d918024f65aab7909dd9c90054/FLAGeb1c36e88 [2021-12-28 04:40:32,217 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:40:32,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2021-12-28 04:40:32,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc498cd5e/49f0e5d918024f65aab7909dd9c90054/FLAGeb1c36e88 [2021-12-28 04:40:32,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc498cd5e/49f0e5d918024f65aab7909dd9c90054 [2021-12-28 04:40:32,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:40:32,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:40:32,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:40:32,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:40:32,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:40:32,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:40:32" (1/1) ... [2021-12-28 04:40:32,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1427d71a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:32, skipping insertion in model container [2021-12-28 04:40:32,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:40:32" (1/1) ... [2021-12-28 04:40:32,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:40:32,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:40:35,486 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-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[328445,328458] [2021-12-28 04:40:35,489 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-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[328590,328603] [2021-12-28 04:40:35,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:40:35,549 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:40:35,813 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-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[328445,328458] [2021-12-28 04:40:35,813 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-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[328590,328603] [2021-12-28 04:40:35,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:40:35,989 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:40:35,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:35 WrapperNode [2021-12-28 04:40:35,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:40:35,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:40:35,991 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:40:35,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:40:36,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:35" (1/1) ... [2021-12-28 04:40:36,130 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:35" (1/1) ... [2021-12-28 04:40:36,308 INFO L137 Inliner]: procedures = 388, calls = 2109, calls flagged for inlining = 154, calls inlined = 135, statements flattened = 4340 [2021-12-28 04:40:36,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:40:36,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:40:36,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:40:36,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:40:36,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:35" (1/1) ... [2021-12-28 04:40:36,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:35" (1/1) ... [2021-12-28 04:40:36,358 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:35" (1/1) ... [2021-12-28 04:40:36,359 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:35" (1/1) ... [2021-12-28 04:40:36,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:35" (1/1) ... [2021-12-28 04:40:36,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:35" (1/1) ... [2021-12-28 04:40:36,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:35" (1/1) ... [2021-12-28 04:40:36,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:40:36,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:40:36,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:40:36,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:40:36,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:35" (1/1) ... [2021-12-28 04:40:36,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:40:36,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:40:36,644 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) [2021-12-28 04:40:36,659 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 [2021-12-28 04:40:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2021-12-28 04:40:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2021-12-28 04:40:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-28 04:40:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-28 04:40:36,699 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2021-12-28 04:40:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2021-12-28 04:40:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2021-12-28 04:40:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2021-12-28 04:40:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:40:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:40:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:40:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:40:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 04:40:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 04:40:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2021-12-28 04:40:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2021-12-28 04:40:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2021-12-28 04:40:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2021-12-28 04:40:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2021-12-28 04:40:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2021-12-28 04:40:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-28 04:40:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-28 04:40:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-28 04:40:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-28 04:40:36,702 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2021-12-28 04:40:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2021-12-28 04:40:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2021-12-28 04:40:36,703 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2021-12-28 04:40:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-28 04:40:36,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-28 04:40:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-28 04:40:36,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-28 04:40:36,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:40:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2021-12-28 04:40:36,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2021-12-28 04:40:36,704 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2021-12-28 04:40:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2021-12-28 04:40:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-28 04:40:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-28 04:40:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2021-12-28 04:40:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2021-12-28 04:40:36,705 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:40:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:40:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2021-12-28 04:40:36,706 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2021-12-28 04:40:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2021-12-28 04:40:36,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2021-12-28 04:40:36,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:40:36,707 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2021-12-28 04:40:36,707 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2021-12-28 04:40:36,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_via_ircc_cb [2021-12-28 04:40:36,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_via_ircc_cb [2021-12-28 04:40:36,708 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2021-12-28 04:40:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2021-12-28 04:40:36,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:40:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-28 04:40:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-28 04:40:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2021-12-28 04:40:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2021-12-28 04:40:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:40:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:40:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:40:36,710 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2021-12-28 04:40:36,711 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2021-12-28 04:40:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-28 04:40:36,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-28 04:40:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-28 04:40:36,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-28 04:40:36,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:40:36,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:40:36,712 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2021-12-28 04:40:36,712 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2021-12-28 04:40:36,712 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2021-12-28 04:40:36,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2021-12-28 04:40:36,712 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2021-12-28 04:40:36,713 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2021-12-28 04:40:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2021-12-28 04:40:36,713 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2021-12-28 04:40:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:40:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-28 04:40:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-28 04:40:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2021-12-28 04:40:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2021-12-28 04:40:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:40:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-28 04:40:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-28 04:40:36,714 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:40:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:40:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:40:36,715 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:40:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-28 04:40:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:40:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-28 04:40:36,716 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2021-12-28 04:40:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2021-12-28 04:40:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-28 04:40:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-28 04:40:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-28 04:40:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-28 04:40:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-28 04:40:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-28 04:40:36,717 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:40:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:40:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2021-12-28 04:40:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2021-12-28 04:40:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2021-12-28 04:40:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2021-12-28 04:40:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-28 04:40:36,718 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-28 04:40:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-28 04:40:36,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-28 04:40:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2021-12-28 04:40:36,719 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2021-12-28 04:40:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:40:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:40:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2021-12-28 04:40:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2021-12-28 04:40:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:40:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:40:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:40:36,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:40:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2021-12-28 04:40:36,724 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2021-12-28 04:40:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-28 04:40:36,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-28 04:40:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2021-12-28 04:40:36,726 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2021-12-28 04:40:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2021-12-28 04:40:36,731 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2021-12-28 04:40:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:40:36,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:40:36,731 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2021-12-28 04:40:36,731 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2021-12-28 04:40:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2021-12-28 04:40:36,732 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2021-12-28 04:40:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 04:40:36,732 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 04:40:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:40:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:40:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2021-12-28 04:40:36,732 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2021-12-28 04:40:36,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:40:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 04:40:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-28 04:40:36,733 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-28 04:40:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-28 04:40:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:40:36,734 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:40:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-28 04:40:36,734 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-28 04:40:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-28 04:40:36,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-28 04:40:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-28 04:40:36,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-28 04:40:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 04:40:36,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 04:40:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2021-12-28 04:40:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2021-12-28 04:40:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-28 04:40:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-28 04:40:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-28 04:40:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-28 04:40:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-28 04:40:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-28 04:40:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:40:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:40:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-28 04:40:36,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-28 04:40:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:40:36,764 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-28 04:40:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-28 04:40:36,765 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2021-12-28 04:40:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2021-12-28 04:40:36,765 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-28 04:40:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-28 04:40:36,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:40:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:40:36,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2021-12-28 04:40:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2021-12-28 04:40:36,765 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2021-12-28 04:40:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2021-12-28 04:40:36,765 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2021-12-28 04:40:36,765 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2021-12-28 04:40:36,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-28 04:40:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-28 04:40:36,766 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2021-12-28 04:40:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2021-12-28 04:40:36,766 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2021-12-28 04:40:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2021-12-28 04:40:36,766 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2021-12-28 04:40:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2021-12-28 04:40:36,766 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-28 04:40:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-28 04:40:36,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:40:36,766 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-12-28 04:40:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-12-28 04:40:36,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-28 04:40:36,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-28 04:40:36,767 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2021-12-28 04:40:36,767 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2021-12-28 04:40:37,545 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:40:37,548 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:40:37,758 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:40:40,403 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-28 04:40:40,887 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:40:40,908 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:40:40,909 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-28 04:40:40,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:40:40 BoogieIcfgContainer [2021-12-28 04:40:40,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:40:40,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:40:40,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:40:40,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:40:40,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:40:32" (1/3) ... [2021-12-28 04:40:40,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae9b52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:40:40, skipping insertion in model container [2021-12-28 04:40:40,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:40:35" (2/3) ... [2021-12-28 04:40:40,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae9b52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:40:40, skipping insertion in model container [2021-12-28 04:40:40,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:40:40" (3/3) ... [2021-12-28 04:40:40,920 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2021-12-28 04:40:40,925 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:40:40,925 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:40:40,985 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:40:40,997 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 [2021-12-28 04:40:40,998 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:40:41,058 INFO L276 IsEmpty]: Start isEmpty. Operand has 1916 states, 1164 states have (on average 1.2706185567010309) internal successors, (1479), 1188 states have internal predecessors, (1479), 660 states have call successors, (660), 92 states have call predecessors, (660), 91 states have return successors, (656), 644 states have call predecessors, (656), 656 states have call successors, (656) [2021-12-28 04:40:41,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-28 04:40:41,089 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:40:41,090 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:40:41,091 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:40:41,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:40:41,096 INFO L85 PathProgramCache]: Analyzing trace with hash -587619013, now seen corresponding path program 1 times [2021-12-28 04:40:41,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:40:41,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238077041] [2021-12-28 04:40:41,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:40:41,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:40:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:40:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:40:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:41,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:40:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:40:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:40:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-28 04:40:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-28 04:40:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:40:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-28 04:40:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 04:40:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 04:40:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-28 04:40:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-28 04:40:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:40:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-28 04:40:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:41,934 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-28 04:40:41,934 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:40:41,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238077041] [2021-12-28 04:40:41,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238077041] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:40:41,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:40:41,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:40:41,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795640550] [2021-12-28 04:40:41,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:40:41,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:40:41,942 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:40:41,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:40:41,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:40:41,971 INFO L87 Difference]: Start difference. First operand has 1916 states, 1164 states have (on average 1.2706185567010309) internal successors, (1479), 1188 states have internal predecessors, (1479), 660 states have call successors, (660), 92 states have call predecessors, (660), 91 states have return successors, (656), 644 states have call predecessors, (656), 656 states have call successors, (656) Second operand has 6 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 4 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2021-12-28 04:40:45,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:40:46,717 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:40:57,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:40:57,912 INFO L93 Difference]: Finished difference Result 5385 states and 7907 transitions. [2021-12-28 04:40:57,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 04:40:57,917 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 4 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) Word has length 162 [2021-12-28 04:40:57,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:40:57,959 INFO L225 Difference]: With dead ends: 5385 [2021-12-28 04:40:57,960 INFO L226 Difference]: Without dead ends: 3409 [2021-12-28 04:40:57,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-12-28 04:40:57,986 INFO L933 BasicCegarLoop]: 2511 mSDtfsCounter, 5291 mSDsluCounter, 2359 mSDsCounter, 0 mSdLazyCounter, 5146 mSolverCounterSat, 6545 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5482 SdHoareTripleChecker+Valid, 4870 SdHoareTripleChecker+Invalid, 11691 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6545 IncrementalHoareTripleChecker+Valid, 5146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2021-12-28 04:40:57,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5482 Valid, 4870 Invalid, 11691 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6545 Valid, 5146 Invalid, 0 Unknown, 0 Unchecked, 15.1s Time] [2021-12-28 04:40:58,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3409 states. [2021-12-28 04:40:58,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3409 to 3368. [2021-12-28 04:40:58,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3368 states, 2044 states have (on average 1.258317025440313) internal successors, (2572), 2094 states have internal predecessors, (2572), 1149 states have call successors, (1149), 166 states have call predecessors, (1149), 174 states have return successors, (1183), 1127 states have call predecessors, (1183), 1149 states have call successors, (1183) [2021-12-28 04:40:58,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3368 states to 3368 states and 4904 transitions. [2021-12-28 04:40:58,358 INFO L78 Accepts]: Start accepts. Automaton has 3368 states and 4904 transitions. Word has length 162 [2021-12-28 04:40:58,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:40:58,360 INFO L470 AbstractCegarLoop]: Abstraction has 3368 states and 4904 transitions. [2021-12-28 04:40:58,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 4 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 4 states have call successors, (18) [2021-12-28 04:40:58,360 INFO L276 IsEmpty]: Start isEmpty. Operand 3368 states and 4904 transitions. [2021-12-28 04:40:58,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-12-28 04:40:58,385 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:40:58,386 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:40:58,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:40:58,386 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:40:58,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:40:58,388 INFO L85 PathProgramCache]: Analyzing trace with hash 2101214169, now seen corresponding path program 1 times [2021-12-28 04:40:58,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:40:58,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089980000] [2021-12-28 04:40:58,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:40:58,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:40:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:40:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:40:58,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:40:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:40:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:40:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-28 04:40:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:40:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:40:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:40:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:40:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 04:40:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 04:40:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:40:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-28 04:40:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-28 04:40:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-28 04:40:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-28 04:40:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 04:40:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-28 04:40:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-28 04:40:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-28 04:40:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:58,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:40:58,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:40:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-28 04:40:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:40:58,968 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2021-12-28 04:40:58,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:40:58,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089980000] [2021-12-28 04:40:58,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089980000] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:40:58,970 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:40:58,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:40:58,970 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697633241] [2021-12-28 04:40:58,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:40:58,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:40:58,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:40:58,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:40:58,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:40:58,977 INFO L87 Difference]: Start difference. First operand 3368 states and 4904 transitions. Second operand has 7 states, 6 states have (on average 19.0) internal successors, (114), 3 states have internal predecessors, (114), 4 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2021-12-28 04:41:15,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:41:15,587 INFO L93 Difference]: Finished difference Result 8924 states and 13045 transitions. [2021-12-28 04:41:15,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 04:41:15,590 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.0) internal successors, (114), 3 states have internal predecessors, (114), 4 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) Word has length 235 [2021-12-28 04:41:15,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:41:15,630 INFO L225 Difference]: With dead ends: 8924 [2021-12-28 04:41:15,631 INFO L226 Difference]: Without dead ends: 5571 [2021-12-28 04:41:15,653 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-12-28 04:41:15,655 INFO L933 BasicCegarLoop]: 2427 mSDtfsCounter, 3878 mSDsluCounter, 2710 mSDsCounter, 0 mSdLazyCounter, 6011 mSolverCounterSat, 4254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4092 SdHoareTripleChecker+Valid, 5137 SdHoareTripleChecker+Invalid, 10265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4254 IncrementalHoareTripleChecker+Valid, 6011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2021-12-28 04:41:15,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4092 Valid, 5137 Invalid, 10265 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4254 Valid, 6011 Invalid, 0 Unknown, 0 Unchecked, 15.9s Time] [2021-12-28 04:41:15,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5571 states. [2021-12-28 04:41:16,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5571 to 5516. [2021-12-28 04:41:16,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5516 states, 3309 states have (on average 1.2608038682381384) internal successors, (4172), 3381 states have internal predecessors, (4172), 1919 states have call successors, (1919), 279 states have call predecessors, (1919), 287 states have return successors, (1953), 1887 states have call predecessors, (1953), 1919 states have call successors, (1953) [2021-12-28 04:41:16,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5516 states to 5516 states and 8044 transitions. [2021-12-28 04:41:16,085 INFO L78 Accepts]: Start accepts. Automaton has 5516 states and 8044 transitions. Word has length 235 [2021-12-28 04:41:16,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:41:16,086 INFO L470 AbstractCegarLoop]: Abstraction has 5516 states and 8044 transitions. [2021-12-28 04:41:16,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.0) internal successors, (114), 3 states have internal predecessors, (114), 4 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2021-12-28 04:41:16,087 INFO L276 IsEmpty]: Start isEmpty. Operand 5516 states and 8044 transitions. [2021-12-28 04:41:16,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-12-28 04:41:16,106 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:41:16,106 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 7, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:41:16,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:41:16,107 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:41:16,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:41:16,108 INFO L85 PathProgramCache]: Analyzing trace with hash 974223141, now seen corresponding path program 1 times [2021-12-28 04:41:16,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:41:16,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620486529] [2021-12-28 04:41:16,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:41:16,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:41:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:41:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:41:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:41:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:41:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 04:41:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:41:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-28 04:41:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:41:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-28 04:41:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:41:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-28 04:41:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-28 04:41:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-28 04:41:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-28 04:41:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-28 04:41:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-28 04:41:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:41:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-28 04:41:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-28 04:41:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-28 04:41:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:41:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-28 04:41:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:41:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 04:41:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-28 04:41:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-28 04:41:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-28 04:41:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-28 04:41:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-28 04:41:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-28 04:41:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-28 04:41:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-28 04:41:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:41:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-28 04:41:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:41:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-28 04:41:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:41:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:41:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-28 04:41:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:41:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-28 04:41:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:41:16,620 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2021-12-28 04:41:16,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:41:16,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620486529] [2021-12-28 04:41:16,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620486529] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:41:16,621 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:41:16,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-28 04:41:16,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592261245] [2021-12-28 04:41:16,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:41:16,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-28 04:41:16,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:41:16,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-28 04:41:16,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-28 04:41:16,624 INFO L87 Difference]: Start difference. First operand 5516 states and 8044 transitions. Second operand has 7 states, 6 states have (on average 23.666666666666668) internal successors, (142), 3 states have internal predecessors, (142), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) [2021-12-28 04:41:20,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 04:41:30,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:41:30,622 INFO L93 Difference]: Finished difference Result 13233 states and 19342 transitions. [2021-12-28 04:41:30,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-28 04:41:30,623 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.666666666666668) internal successors, (142), 3 states have internal predecessors, (142), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (34), 3 states have call predecessors, (34), 4 states have call successors, (34) Word has length 297 [2021-12-28 04:41:30,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:41:30,671 INFO L225 Difference]: With dead ends: 13233 [2021-12-28 04:41:30,671 INFO L226 Difference]: Without dead ends: 7732 [2021-12-28 04:41:30,704 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-12-28 04:41:30,706 INFO L933 BasicCegarLoop]: 3758 mSDtfsCounter, 3950 mSDsluCounter, 3377 mSDsCounter, 0 mSdLazyCounter, 5101 mSolverCounterSat, 5720 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4166 SdHoareTripleChecker+Valid, 7135 SdHoareTripleChecker+Invalid, 10821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5720 IncrementalHoareTripleChecker+Valid, 5101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:41:30,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4166 Valid, 7135 Invalid, 10821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5720 Valid, 5101 Invalid, 0 Unknown, 0 Unchecked, 13.4s Time] [2021-12-28 04:41:30,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7732 states.