./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_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 11d3d0800a0e0d53b4d0190c9a443eccbd843952940cf36579a7110b5d32d86b --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-16 04:58:26,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:58:26,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:58:26,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:58:26,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:58:26,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:58:26,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:58:26,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:58:26,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:58:26,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:58:26,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:58:26,888 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:58:26,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:58:26,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:58:26,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:58:26,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:58:26,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:58:26,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:58:26,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:58:26,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:58:26,916 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:58:26,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:58:26,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:58:26,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:58:26,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:58:26,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:58:26,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:58:26,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:58:26,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:58:26,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:58:26,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:58:26,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:58:26,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:58:26,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:58:26,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:58:26,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:58:26,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:58:26,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:58:26,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:58:26,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:58:26,942 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:58:26,943 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:58:26,974 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:58:26,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:58:26,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:58:26,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:58:26,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:58:26,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:58:26,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:58:26,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:58:26,977 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:58:26,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:58:26,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:58:26,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:58:26,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:58:26,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:58:26,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:58:26,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:58:26,980 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:58:26,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:58:26,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:58:26,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:58:26,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:58:26,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:58:26,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:58:26,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:58:26,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:58:26,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:58:26,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:58:26,982 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:58:26,982 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:58:26,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:58:26,983 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:58:26,983 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11d3d0800a0e0d53b4d0190c9a443eccbd843952940cf36579a7110b5d32d86b [2021-12-16 04:58:27,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:58:27,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:58:27,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:58:27,312 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:58:27,312 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:58:27,314 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2021-12-16 04:58:27,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a730d3dd/72ff9f42edf545bea8485e564468ca48/FLAGc4000db85 [2021-12-16 04:58:28,233 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:58:28,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2021-12-16 04:58:28,299 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a730d3dd/72ff9f42edf545bea8485e564468ca48/FLAGc4000db85 [2021-12-16 04:58:28,711 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a730d3dd/72ff9f42edf545bea8485e564468ca48 [2021-12-16 04:58:28,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:58:28,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:58:28,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:58:28,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:58:28,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:58:28,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:58:28" (1/1) ... [2021-12-16 04:58:28,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7190f523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:58:28, skipping insertion in model container [2021-12-16 04:58:28,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:58:28" (1/1) ... [2021-12-16 04:58:28,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:58:28,889 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:58:31,421 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_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323389,323402] [2021-12-16 04:58:31,425 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_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323534,323547] [2021-12-16 04:58:31,441 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:58:31,476 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:58:31,800 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_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323389,323402] [2021-12-16 04:58:31,801 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_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323534,323547] [2021-12-16 04:58:31,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:58:31,941 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:58:31,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:58:31 WrapperNode [2021-12-16 04:58:31,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:58:31,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:58:31,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:58:31,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:58:31,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:58:31" (1/1) ... [2021-12-16 04:58:32,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:58:31" (1/1) ... [2021-12-16 04:58:32,151 INFO L137 Inliner]: procedures = 379, calls = 2098, calls flagged for inlining = 146, calls inlined = 127, statements flattened = 4154 [2021-12-16 04:58:32,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:58:32,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:58:32,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:58:32,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:58:32,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:58:31" (1/1) ... [2021-12-16 04:58:32,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:58:31" (1/1) ... [2021-12-16 04:58:32,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:58:31" (1/1) ... [2021-12-16 04:58:32,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:58:31" (1/1) ... [2021-12-16 04:58:32,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:58:31" (1/1) ... [2021-12-16 04:58:32,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:58:31" (1/1) ... [2021-12-16 04:58:32,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:58:31" (1/1) ... [2021-12-16 04:58:32,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:58:32,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:58:32,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:58:32,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:58:32,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:58:31" (1/1) ... [2021-12-16 04:58:32,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:58:32,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:58:32,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 04:58:32,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 04:58:32,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2021-12-16 04:58:32,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2021-12-16 04:58:32,423 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2021-12-16 04:58:32,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2021-12-16 04:58:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:58:32,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:58:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:58:32,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:58:32,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:58:32,426 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:58:32,426 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2021-12-16 04:58:32,429 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2021-12-16 04:58:32,429 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2021-12-16 04:58:32,429 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2021-12-16 04:58:32,429 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2021-12-16 04:58:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2021-12-16 04:58:32,430 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-16 04:58:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-16 04:58:32,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:58:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:58:32,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-16 04:58:32,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-16 04:58:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2021-12-16 04:58:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2021-12-16 04:58:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-16 04:58:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-16 04:58:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2021-12-16 04:58:32,431 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2021-12-16 04:58:32,431 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2021-12-16 04:58:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2021-12-16 04:58:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2021-12-16 04:58:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2021-12-16 04:58:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2021-12-16 04:58:32,432 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2021-12-16 04:58:32,432 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-16 04:58:32,433 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-16 04:58:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2021-12-16 04:58:32,433 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2021-12-16 04:58:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-16 04:58:32,433 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-16 04:58:32,433 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2021-12-16 04:58:32,434 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2021-12-16 04:58:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-16 04:58:32,434 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-16 04:58:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:58:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:58:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 04:58:32,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-16 04:58:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2021-12-16 04:58:32,435 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2021-12-16 04:58:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2021-12-16 04:58:32,436 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2021-12-16 04:58:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-16 04:58:32,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-16 04:58:32,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:58:32,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:58:32,437 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2021-12-16 04:58:32,438 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2021-12-16 04:58:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:58:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:58:32,438 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2021-12-16 04:58:32,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2021-12-16 04:58:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2021-12-16 04:58:32,439 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2021-12-16 04:58:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-16 04:58:32,439 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-16 04:58:32,439 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-16 04:58:32,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-16 04:58:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-16 04:58:32,440 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-16 04:58:32,440 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2021-12-16 04:58:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2021-12-16 04:58:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-16 04:58:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-16 04:58:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-16 04:58:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-16 04:58:32,441 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 04:58:32,441 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 04:58:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-16 04:58:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-16 04:58:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-16 04:58:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-16 04:58:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2021-12-16 04:58:32,442 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2021-12-16 04:58:32,442 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2021-12-16 04:58:32,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2021-12-16 04:58:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:58:32,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-16 04:58:32,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-16 04:58:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2021-12-16 04:58:32,444 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2021-12-16 04:58:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_via_ircc_cb [2021-12-16 04:58:32,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_via_ircc_cb [2021-12-16 04:58:32,444 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2021-12-16 04:58:32,445 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2021-12-16 04:58:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:58:32,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-16 04:58:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-16 04:58:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2021-12-16 04:58:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2021-12-16 04:58:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-16 04:58:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-16 04:58:32,446 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2021-12-16 04:58:32,446 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2021-12-16 04:58:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:58:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-16 04:58:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-16 04:58:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-16 04:58:32,447 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-16 04:58:32,447 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 04:58:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 04:58:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:58:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:58:32,448 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2021-12-16 04:58:32,448 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2021-12-16 04:58:32,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-16 04:58:32,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-16 04:58:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-16 04:58:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-16 04:58:32,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-16 04:58:32,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-16 04:58:32,453 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2021-12-16 04:58:32,454 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2021-12-16 04:58:32,454 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-16 04:58:32,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-16 04:58:32,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:58:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-16 04:58:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-16 04:58:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2021-12-16 04:58:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2021-12-16 04:58:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-16 04:58:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-16 04:58:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:58:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:58:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2021-12-16 04:58:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2021-12-16 04:58:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2021-12-16 04:58:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2021-12-16 04:58:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2021-12-16 04:58:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2021-12-16 04:58:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:58:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2021-12-16 04:58:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2021-12-16 04:58:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2021-12-16 04:58:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2021-12-16 04:58:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:58:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 04:58:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 04:58:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-16 04:58:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-16 04:58:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:58:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:58:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:58:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-16 04:58:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-16 04:58:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2021-12-16 04:58:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2021-12-16 04:58:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2021-12-16 04:58:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2021-12-16 04:58:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-16 04:58:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-16 04:58:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-16 04:58:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-16 04:58:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2021-12-16 04:58:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2021-12-16 04:58:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 04:58:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 04:58:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2021-12-16 04:58:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2021-12-16 04:58:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2021-12-16 04:58:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2021-12-16 04:58:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-16 04:58:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-16 04:58:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 04:58:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 04:58:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2021-12-16 04:58:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2021-12-16 04:58:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2021-12-16 04:58:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2021-12-16 04:58:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-16 04:58:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-16 04:58:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-16 04:58:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-16 04:58:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2021-12-16 04:58:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2021-12-16 04:58:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-16 04:58:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-16 04:58:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:58:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-12-16 04:58:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-12-16 04:58:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2021-12-16 04:58:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2021-12-16 04:58:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-16 04:58:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-16 04:58:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2021-12-16 04:58:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2021-12-16 04:58:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:58:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:58:33,063 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:58:33,066 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:58:33,236 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:58:36,084 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:58:36,099 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:58:36,099 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:58:36,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:58:36 BoogieIcfgContainer [2021-12-16 04:58:36,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:58:36,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:58:36,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:58:36,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:58:36,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:58:28" (1/3) ... [2021-12-16 04:58:36,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b8384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:58:36, skipping insertion in model container [2021-12-16 04:58:36,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:58:31" (2/3) ... [2021-12-16 04:58:36,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25b8384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:58:36, skipping insertion in model container [2021-12-16 04:58:36,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:58:36" (3/3) ... [2021-12-16 04:58:36,111 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2021-12-16 04:58:36,115 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:58:36,116 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:58:36,162 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:58:36,167 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 04:58:36,168 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:58:36,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 1819 states, 1086 states have (on average 1.2587476979742174) internal successors, (1367), 1117 states have internal predecessors, (1367), 641 states have call successors, (641), 91 states have call predecessors, (641), 90 states have return successors, (638), 626 states have call predecessors, (638), 638 states have call successors, (638) [2021-12-16 04:58:36,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-16 04:58:36,322 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:58:36,323 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:58:36,324 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:58:36,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:58:36,332 INFO L85 PathProgramCache]: Analyzing trace with hash 610246065, now seen corresponding path program 1 times [2021-12-16 04:58:36,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:58:36,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108524089] [2021-12-16 04:58:36,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:58:36,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:58:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:58:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 04:58:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:58:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:58:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:58:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 04:58:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:58:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:58:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 04:58:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:58:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:58:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:58:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-16 04:58:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-16 04:58:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:58:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-16 04:58:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-16 04:58:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 04:58:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:58:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-16 04:58:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-16 04:58:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-16 04:58:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:58:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:58:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:58:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-16 04:58:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-16 04:58:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 04:58:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:58:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-16 04:58:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-16 04:58:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:58:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-16 04:58:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:37,559 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2021-12-16 04:58:37,559 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:58:37,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108524089] [2021-12-16 04:58:37,560 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108524089] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:58:37,560 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:58:37,561 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-16 04:58:37,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746403925] [2021-12-16 04:58:37,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:58:37,567 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-16 04:58:37,567 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:58:37,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-16 04:58:37,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:58:37,594 INFO L87 Difference]: Start difference. First operand has 1819 states, 1086 states have (on average 1.2587476979742174) internal successors, (1367), 1117 states have internal predecessors, (1367), 641 states have call successors, (641), 91 states have call predecessors, (641), 90 states have return successors, (638), 626 states have call predecessors, (638), 638 states have call successors, (638) Second operand has 9 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-16 04:58:47,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:58:47,940 INFO L93 Difference]: Finished difference Result 3976 states and 5844 transitions. [2021-12-16 04:58:47,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 04:58:47,942 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 301 [2021-12-16 04:58:47,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:58:47,987 INFO L225 Difference]: With dead ends: 3976 [2021-12-16 04:58:47,988 INFO L226 Difference]: Without dead ends: 2100 [2021-12-16 04:58:48,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-12-16 04:58:48,011 INFO L933 BasicCegarLoop]: 2313 mSDtfsCounter, 4124 mSDsluCounter, 3271 mSDsCounter, 0 mSdLazyCounter, 6463 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4351 SdHoareTripleChecker+Valid, 5584 SdHoareTripleChecker+Invalid, 10961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 6463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2021-12-16 04:58:48,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4351 Valid, 5584 Invalid, 10961 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6463 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2021-12-16 04:58:48,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2021-12-16 04:58:48,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1762. [2021-12-16 04:58:48,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1762 states, 1057 states have (on average 1.2563859981078525) internal successors, (1328), 1086 states have internal predecessors, (1328), 615 states have call successors, (615), 89 states have call predecessors, (615), 89 states have return successors, (615), 603 states have call predecessors, (615), 615 states have call successors, (615) [2021-12-16 04:58:48,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1762 states and 2558 transitions. [2021-12-16 04:58:48,284 INFO L78 Accepts]: Start accepts. Automaton has 1762 states and 2558 transitions. Word has length 301 [2021-12-16 04:58:48,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:58:48,289 INFO L470 AbstractCegarLoop]: Abstraction has 1762 states and 2558 transitions. [2021-12-16 04:58:48,289 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-16 04:58:48,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2558 transitions. [2021-12-16 04:58:48,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-16 04:58:48,301 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:58:48,302 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:58:48,302 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:58:48,302 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:58:48,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:58:48,303 INFO L85 PathProgramCache]: Analyzing trace with hash -553886623, now seen corresponding path program 1 times [2021-12-16 04:58:48,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:58:48,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877062976] [2021-12-16 04:58:48,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:58:48,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:58:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:58:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 04:58:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:58:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:58:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:58:48,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 04:58:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:58:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:58:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 04:58:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:58:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:58:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:58:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-16 04:58:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-16 04:58:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:58:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-16 04:58:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-16 04:58:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 04:58:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:58:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-16 04:58:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-16 04:58:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-16 04:58:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:58:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:58:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:58:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-16 04:58:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-16 04:58:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 04:58:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:58:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-16 04:58:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-16 04:58:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:58:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-16 04:58:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:48,870 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2021-12-16 04:58:48,871 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:58:48,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877062976] [2021-12-16 04:58:48,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877062976] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:58:48,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:58:48,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-16 04:58:48,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213892245] [2021-12-16 04:58:48,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:58:48,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-16 04:58:48,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:58:48,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-16 04:58:48,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:58:48,875 INFO L87 Difference]: Start difference. First operand 1762 states and 2558 transitions. Second operand has 9 states, 8 states have (on average 13.75) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-16 04:58:58,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:58:58,056 INFO L93 Difference]: Finished difference Result 3843 states and 5626 transitions. [2021-12-16 04:58:58,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 04:58:58,057 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 302 [2021-12-16 04:58:58,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:58:58,074 INFO L225 Difference]: With dead ends: 3843 [2021-12-16 04:58:58,075 INFO L226 Difference]: Without dead ends: 2100 [2021-12-16 04:58:58,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-12-16 04:58:58,089 INFO L933 BasicCegarLoop]: 2211 mSDtfsCounter, 4039 mSDsluCounter, 3036 mSDsCounter, 0 mSdLazyCounter, 6249 mSolverCounterSat, 4333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4257 SdHoareTripleChecker+Valid, 5247 SdHoareTripleChecker+Invalid, 10582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4333 IncrementalHoareTripleChecker+Valid, 6249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-12-16 04:58:58,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4257 Valid, 5247 Invalid, 10582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4333 Valid, 6249 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2021-12-16 04:58:58,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2021-12-16 04:58:58,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1762. [2021-12-16 04:58:58,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1762 states, 1057 states have (on average 1.2554399243140966) internal successors, (1327), 1086 states have internal predecessors, (1327), 615 states have call successors, (615), 89 states have call predecessors, (615), 89 states have return successors, (615), 603 states have call predecessors, (615), 615 states have call successors, (615) [2021-12-16 04:58:58,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1762 states and 2557 transitions. [2021-12-16 04:58:58,233 INFO L78 Accepts]: Start accepts. Automaton has 1762 states and 2557 transitions. Word has length 302 [2021-12-16 04:58:58,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:58:58,235 INFO L470 AbstractCegarLoop]: Abstraction has 1762 states and 2557 transitions. [2021-12-16 04:58:58,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-16 04:58:58,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2557 transitions. [2021-12-16 04:58:58,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-16 04:58:58,242 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:58:58,242 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:58:58,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 04:58:58,243 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:58:58,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:58:58,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1432528213, now seen corresponding path program 1 times [2021-12-16 04:58:58,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:58:58,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477394442] [2021-12-16 04:58:58,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:58:58,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:58:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:58:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 04:58:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:58:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:58:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:58:58,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 04:58:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:58:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:58:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 04:58:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:58:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:58:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:58:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-16 04:58:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-16 04:58:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-16 04:58:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-16 04:58:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:58:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-16 04:58:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:58:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-16 04:58:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-16 04:58:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-16 04:58:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-16 04:58:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-16 04:58:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-16 04:58:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-16 04:58:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-16 04:58:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-16 04:58:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-16 04:58:58,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-16 04:58:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-16 04:58:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:58:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:58:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-16 04:58:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-16 04:58:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:58:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-16 04:58:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:58:58,810 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2021-12-16 04:58:58,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:58:58,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477394442] [2021-12-16 04:58:58,811 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477394442] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:58:58,811 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:58:58,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:58:58,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853680816] [2021-12-16 04:58:58,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:58:58,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:58:58,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:58:58,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:58:58,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:58:58,814 INFO L87 Difference]: Start difference. First operand 1762 states and 2557 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-16 04:59:01,390 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:59:08,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:59:08,436 INFO L93 Difference]: Finished difference Result 5111 states and 7411 transitions. [2021-12-16 04:59:08,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 04:59:08,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 278 [2021-12-16 04:59:08,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:59:08,460 INFO L225 Difference]: With dead ends: 5111 [2021-12-16 04:59:08,461 INFO L226 Difference]: Without dead ends: 3368 [2021-12-16 04:59:08,471 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:59:08,472 INFO L933 BasicCegarLoop]: 2309 mSDtfsCounter, 4950 mSDsluCounter, 2640 mSDsCounter, 0 mSdLazyCounter, 3133 mSolverCounterSat, 5620 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5446 SdHoareTripleChecker+Valid, 4949 SdHoareTripleChecker+Invalid, 8753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5620 IncrementalHoareTripleChecker+Valid, 3133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:59:08,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5446 Valid, 4949 Invalid, 8753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5620 Valid, 3133 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2021-12-16 04:59:08,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3368 states. [2021-12-16 04:59:08,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3368 to 3250. [2021-12-16 04:59:08,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 1952 states have (on average 1.2592213114754098) internal successors, (2458), 2006 states have internal predecessors, (2458), 1125 states have call successors, (1125), 171 states have call predecessors, (1125), 172 states have return successors, (1129), 1102 states have call predecessors, (1129), 1125 states have call successors, (1129) [2021-12-16 04:59:08,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 4712 transitions. [2021-12-16 04:59:08,674 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 4712 transitions. Word has length 278 [2021-12-16 04:59:08,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:59:08,676 INFO L470 AbstractCegarLoop]: Abstraction has 3250 states and 4712 transitions. [2021-12-16 04:59:08,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-16 04:59:08,676 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 4712 transitions. [2021-12-16 04:59:08,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-12-16 04:59:08,683 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:59:08,683 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:59:08,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 04:59:08,684 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:59:08,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:59:08,684 INFO L85 PathProgramCache]: Analyzing trace with hash 2127222317, now seen corresponding path program 1 times [2021-12-16 04:59:08,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:59:08,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332396904] [2021-12-16 04:59:08,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:59:08,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:59:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:08,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:59:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:08,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 04:59:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:08,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:59:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:08,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:08,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:59:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:08,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:59:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:08,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 04:59:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:08,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:08,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:59:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:08,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:59:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:08,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 04:59:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:59:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:59:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:59:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-16 04:59:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-16 04:59:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:59:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-16 04:59:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-16 04:59:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:09,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 04:59:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:59:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-16 04:59:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-16 04:59:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-16 04:59:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:59:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:59:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:59:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-16 04:59:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-16 04:59:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 04:59:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:59:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-16 04:59:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-16 04:59:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:59:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-16 04:59:09,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:09,212 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2021-12-16 04:59:09,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:59:09,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332396904] [2021-12-16 04:59:09,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332396904] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:59:09,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:59:09,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-16 04:59:09,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822475952] [2021-12-16 04:59:09,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:59:09,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-16 04:59:09,215 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:59:09,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-16 04:59:09,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:59:09,216 INFO L87 Difference]: Start difference. First operand 3250 states and 4712 transitions. Second operand has 9 states, 8 states have (on average 13.875) internal successors, (111), 6 states have internal predecessors, (111), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-16 04:59:12,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:59:19,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:59:19,944 INFO L93 Difference]: Finished difference Result 7016 states and 10252 transitions. [2021-12-16 04:59:19,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 04:59:19,945 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 6 states have internal predecessors, (111), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 303 [2021-12-16 04:59:19,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:59:19,971 INFO L225 Difference]: With dead ends: 7016 [2021-12-16 04:59:19,971 INFO L226 Difference]: Without dead ends: 3785 [2021-12-16 04:59:19,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-12-16 04:59:19,995 INFO L933 BasicCegarLoop]: 2215 mSDtfsCounter, 5440 mSDsluCounter, 3044 mSDsCounter, 0 mSdLazyCounter, 6258 mSolverCounterSat, 5768 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5658 SdHoareTripleChecker+Valid, 5259 SdHoareTripleChecker+Invalid, 12026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5768 IncrementalHoareTripleChecker+Valid, 6258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2021-12-16 04:59:19,996 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5658 Valid, 5259 Invalid, 12026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5768 Valid, 6258 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2021-12-16 04:59:20,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3785 states. [2021-12-16 04:59:20,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3785 to 3250. [2021-12-16 04:59:20,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 1952 states have (on average 1.2581967213114753) internal successors, (2456), 2006 states have internal predecessors, (2456), 1125 states have call successors, (1125), 171 states have call predecessors, (1125), 172 states have return successors, (1129), 1102 states have call predecessors, (1129), 1125 states have call successors, (1129) [2021-12-16 04:59:20,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 4710 transitions. [2021-12-16 04:59:20,215 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 4710 transitions. Word has length 303 [2021-12-16 04:59:20,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:59:20,218 INFO L470 AbstractCegarLoop]: Abstraction has 3250 states and 4710 transitions. [2021-12-16 04:59:20,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 6 states have internal predecessors, (111), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-16 04:59:20,219 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 4710 transitions. [2021-12-16 04:59:20,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-12-16 04:59:20,226 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:59:20,226 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 04:59:20,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 04:59:20,227 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:59:20,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:59:20,228 INFO L85 PathProgramCache]: Analyzing trace with hash -543229859, now seen corresponding path program 1 times [2021-12-16 04:59:20,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:59:20,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874538542] [2021-12-16 04:59:20,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:59:20,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:59:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:59:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-16 04:59:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:59:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:59:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:59:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-16 04:59:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:59:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:59:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-16 04:59:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:59:20,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:59:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:59:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-16 04:59:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-16 04:59:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:59:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-16 04:59:20,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-16 04:59:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 04:59:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:20,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:59:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-16 04:59:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-16 04:59:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-16 04:59:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:59:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:59:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-16 04:59:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-16 04:59:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-16 04:59:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 04:59:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 04:59:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-16 04:59:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-16 04:59:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 04:59:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:59:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-16 04:59:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:59:20,732 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2021-12-16 04:59:20,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:59:20,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874538542] [2021-12-16 04:59:20,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1874538542] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:59:20,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:59:20,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-16 04:59:20,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090405089] [2021-12-16 04:59:20,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:59:20,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-16 04:59:20,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:59:20,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-16 04:59:20,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-16 04:59:20,735 INFO L87 Difference]: Start difference. First operand 3250 states and 4710 transitions. Second operand has 9 states, 8 states have (on average 14.0) internal successors, (112), 6 states have internal predecessors, (112), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32)