./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.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 004fcd1800da3fcc8c5839d85d0662ed24df5100e10ec8a5024be56f561eab28 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:56:57,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:56:57,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:56:57,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:56:57,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:56:57,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:56:57,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:56:57,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:56:57,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:56:57,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:56:57,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:56:57,558 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:56:57,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:56:57,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:56:57,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:56:57,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:56:57,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:56:57,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:56:57,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:56:57,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:56:57,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:56:57,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:56:57,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:56:57,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:56:57,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:56:57,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:56:57,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:56:57,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:56:57,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:56:57,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:56:57,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:56:57,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:56:57,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:56:57,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:56:57,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:56:57,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:56:57,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:56:57,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:56:57,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:56:57,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:56:57,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:56:57,600 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:56:57,620 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:56:57,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:56:57,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:56:57,628 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:56:57,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:56:57,628 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:56:57,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:56:57,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:56:57,629 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:56:57,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:56:57,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:56:57,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:56:57,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:56:57,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:56:57,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:56:57,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:56:57,629 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:56:57,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:56:57,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:56:57,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:56:57,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:56:57,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:56:57,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:56:57,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:56:57,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:56:57,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:56:57,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:56:57,636 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:56:57,636 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:56:57,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:56:57,636 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:56:57,636 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 004fcd1800da3fcc8c5839d85d0662ed24df5100e10ec8a5024be56f561eab28 [2021-12-22 15:56:57,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:56:57,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:56:57,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:56:57,868 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:56:57,868 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:56:57,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-12-22 15:56:57,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/561f5e053/7029f8a82d19476d9e3074b7f0c61241/FLAG7658ad7bf [2021-12-22 15:56:58,647 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:56:58,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-12-22 15:56:58,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/561f5e053/7029f8a82d19476d9e3074b7f0c61241/FLAG7658ad7bf [2021-12-22 15:56:59,190 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/561f5e053/7029f8a82d19476d9e3074b7f0c61241 [2021-12-22 15:56:59,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:56:59,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:56:59,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:56:59,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:56:59,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:56:59,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:56:59" (1/1) ... [2021-12-22 15:56:59,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f46f060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:56:59, skipping insertion in model container [2021-12-22 15:56:59,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:56:59" (1/1) ... [2021-12-22 15:56:59,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:56:59,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:57:01,783 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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452511,452524] [2021-12-22 15:57:01,786 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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452656,452669] [2021-12-22 15:57:01,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:57:01,848 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:57:02,168 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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452511,452524] [2021-12-22 15:57:02,169 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-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i[452656,452669] [2021-12-22 15:57:02,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:57:02,347 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:57:02,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:02 WrapperNode [2021-12-22 15:57:02,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:57:02,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:57:02,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:57:02,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:57:02,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:02" (1/1) ... [2021-12-22 15:57:02,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:02" (1/1) ... [2021-12-22 15:57:02,647 INFO L137 Inliner]: procedures = 548, calls = 4413, calls flagged for inlining = 251, calls inlined = 230, statements flattened = 8724 [2021-12-22 15:57:02,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:57:02,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:57:02,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:57:02,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:57:02,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:02" (1/1) ... [2021-12-22 15:57:02,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:02" (1/1) ... [2021-12-22 15:57:02,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:02" (1/1) ... [2021-12-22 15:57:02,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:02" (1/1) ... [2021-12-22 15:57:02,852 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:02" (1/1) ... [2021-12-22 15:57:02,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:02" (1/1) ... [2021-12-22 15:57:02,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:02" (1/1) ... [2021-12-22 15:57:02,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:57:02,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:57:02,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:57:02,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:57:02,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:02" (1/1) ... [2021-12-22 15:57:02,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:57:02,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:57:02,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 15:57:02,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 15:57:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_122 [2021-12-22 15:57:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_122 [2021-12-22 15:57:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:57:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:57:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:57:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:57:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-22 15:57:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-22 15:57:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-22 15:57:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-22 15:57:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2021-12-22 15:57:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2021-12-22 15:57:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:57:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:57:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2021-12-22 15:57:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2021-12-22 15:57:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_107 [2021-12-22 15:57:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_107 [2021-12-22 15:57:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:57:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:57:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-22 15:57:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-22 15:57:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2021-12-22 15:57:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2021-12-22 15:57:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2021-12-22 15:57:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2021-12-22 15:57:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-12-22 15:57:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-12-22 15:57:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2021-12-22 15:57:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2021-12-22 15:57:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:57:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:57:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-22 15:57:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-22 15:57:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2021-12-22 15:57:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2021-12-22 15:57:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2021-12-22 15:57:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2021-12-22 15:57:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-22 15:57:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-22 15:57:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-22 15:57:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-22 15:57:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2021-12-22 15:57:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2021-12-22 15:57:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 15:57:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 15:57:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-12-22 15:57:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2021-12-22 15:57:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2021-12-22 15:57:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2021-12-22 15:57:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2021-12-22 15:57:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2021-12-22 15:57:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:57:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:57:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:57:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:57:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:57:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:57:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-22 15:57:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-22 15:57:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:57:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:57:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-22 15:57:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-22 15:57:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:57:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:57:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:57:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:57:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-12-22 15:57:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-12-22 15:57:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 15:57:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 15:57:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2021-12-22 15:57:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2021-12-22 15:57:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-22 15:57:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-22 15:57:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:57:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2021-12-22 15:57:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2021-12-22 15:57:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-22 15:57:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-22 15:57:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:57:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:57:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2021-12-22 15:57:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2021-12-22 15:57:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 15:57:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 15:57:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2021-12-22 15:57:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2021-12-22 15:57:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:57:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2021-12-22 15:57:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2021-12-22 15:57:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-22 15:57:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-22 15:57:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2021-12-22 15:57:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2021-12-22 15:57:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:57:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:57:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-22 15:57:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-22 15:57:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 15:57:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 15:57:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:57:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2021-12-22 15:57:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2021-12-22 15:57:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:57:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:57:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:57:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2021-12-22 15:57:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2021-12-22 15:57:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-22 15:57:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-22 15:57:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:57:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:57:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:57:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:57:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:57:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:57:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:57:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:57:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:57:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:57:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:57:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:57:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2021-12-22 15:57:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2021-12-22 15:57:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2021-12-22 15:57:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2021-12-22 15:57:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-22 15:57:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-22 15:57:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-22 15:57:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-22 15:57:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2021-12-22 15:57:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2021-12-22 15:57:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:57:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:57:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2021-12-22 15:57:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2021-12-22 15:57:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:57:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2021-12-22 15:57:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2021-12-22 15:57:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-22 15:57:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-22 15:57:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:57:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:57:03,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:57:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:57:03,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:57:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:57:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-22 15:57:03,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-22 15:57:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:57:03,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:57:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-22 15:57:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-22 15:57:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:57:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:57:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:57:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:57:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-22 15:57:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-22 15:57:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2021-12-22 15:57:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2021-12-22 15:57:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 15:57:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 15:57:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2021-12-22 15:57:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2021-12-22 15:57:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2021-12-22 15:57:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2021-12-22 15:57:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 15:57:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 15:57:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2021-12-22 15:57:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2021-12-22 15:57:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-22 15:57:03,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-22 15:57:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2021-12-22 15:57:03,020 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2021-12-22 15:57:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:57:03,020 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:57:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-22 15:57:03,020 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-22 15:57:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2021-12-22 15:57:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2021-12-22 15:57:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:57:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:57:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-12-22 15:57:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2021-12-22 15:57:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2021-12-22 15:57:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2021-12-22 15:57:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-22 15:57:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-22 15:57:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-22 15:57:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-22 15:57:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2021-12-22 15:57:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2021-12-22 15:57:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-12-22 15:57:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-12-22 15:57:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2021-12-22 15:57:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2021-12-22 15:57:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2021-12-22 15:57:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2021-12-22 15:57:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-22 15:57:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-22 15:57:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:57:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:57:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2021-12-22 15:57:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2021-12-22 15:57:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:57:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:57:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:57:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:57:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:57:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:57:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2021-12-22 15:57:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2021-12-22 15:57:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-22 15:57:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-22 15:57:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:57:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:57:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-22 15:57:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-22 15:57:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:57:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:57:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-22 15:57:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-22 15:57:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:57:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2021-12-22 15:57:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2021-12-22 15:57:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-12-22 15:57:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-12-22 15:57:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:57:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:57:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:57:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2021-12-22 15:57:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2021-12-22 15:57:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2021-12-22 15:57:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2021-12-22 15:57:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:57:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:57:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:57:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure rx_oom_timer [2021-12-22 15:57:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_oom_timer [2021-12-22 15:57:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-22 15:57:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-22 15:57:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:57:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:57:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:57:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:57:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-22 15:57:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-22 15:57:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-22 15:57:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-22 15:57:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-12-22 15:57:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-12-22 15:57:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2021-12-22 15:57:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2021-12-22 15:57:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-22 15:57:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-22 15:57:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-22 15:57:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-22 15:57:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2021-12-22 15:57:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2021-12-22 15:57:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2021-12-22 15:57:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2021-12-22 15:57:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:57:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:57:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:57:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:57:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-22 15:57:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-22 15:57:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2021-12-22 15:57:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2021-12-22 15:57:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:57:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:57:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2021-12-22 15:57:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2021-12-22 15:57:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_timer [2021-12-22 15:57:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_timer [2021-12-22 15:57:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:57:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2021-12-22 15:57:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2021-12-22 15:57:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-22 15:57:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-22 15:57:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-22 15:57:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-22 15:57:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:57:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:57:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2021-12-22 15:57:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2021-12-22 15:57:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2021-12-22 15:57:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2021-12-22 15:57:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2021-12-22 15:57:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2021-12-22 15:57:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-22 15:57:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-12-22 15:57:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2021-12-22 15:57:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2021-12-22 15:57:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 15:57:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 15:57:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2021-12-22 15:57:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2021-12-22 15:57:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2021-12-22 15:57:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2021-12-22 15:57:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:57:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:57:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-22 15:57:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-22 15:57:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-22 15:57:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-22 15:57:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-22 15:57:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-22 15:57:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2021-12-22 15:57:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2021-12-22 15:57:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 15:57:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 15:57:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2021-12-22 15:57:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2021-12-22 15:57:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2021-12-22 15:57:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2021-12-22 15:57:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:57:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:57:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:57:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-22 15:57:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-22 15:57:03,925 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:57:03,930 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:57:05,010 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:57:08,318 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:57:08,340 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:57:08,340 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 15:57:08,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:57:08 BoogieIcfgContainer [2021-12-22 15:57:08,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:57:08,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:57:08,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:57:08,348 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:57:08,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:56:59" (1/3) ... [2021-12-22 15:57:08,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b9fc75d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:57:08, skipping insertion in model container [2021-12-22 15:57:08,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:57:02" (2/3) ... [2021-12-22 15:57:08,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b9fc75d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:57:08, skipping insertion in model container [2021-12-22 15:57:08,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:57:08" (3/3) ... [2021-12-22 15:57:08,350 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2021-12-22 15:57:08,354 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:57:08,354 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:57:08,399 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:57:08,412 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:57:08,413 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:57:08,464 INFO L276 IsEmpty]: Start isEmpty. Operand has 2836 states, 1921 states have (on average 1.3321186881832379) internal successors, (2559), 2007 states have internal predecessors, (2559), 760 states have call successors, (760), 154 states have call predecessors, (760), 153 states have return successors, (753), 735 states have call predecessors, (753), 753 states have call successors, (753) [2021-12-22 15:57:08,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-12-22 15:57:08,484 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:57:08,485 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:57:08,485 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:57:08,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:57:08,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1481480697, now seen corresponding path program 1 times [2021-12-22 15:57:08,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:57:08,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724578623] [2021-12-22 15:57:08,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:57:08,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:57:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:57:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:57:09,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-22 15:57:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 15:57:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 15:57:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:57:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 15:57:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-22 15:57:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-22 15:57:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:09,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 15:57:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 15:57:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 15:57:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 15:57:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-22 15:57:09,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:09,291 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-22 15:57:09,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:57:09,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724578623] [2021-12-22 15:57:09,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724578623] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:57:09,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:57:09,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 15:57:09,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243109476] [2021-12-22 15:57:09,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:57:09,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 15:57:09,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:57:09,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 15:57:09,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:57:09,320 INFO L87 Difference]: Start difference. First operand has 2836 states, 1921 states have (on average 1.3321186881832379) internal successors, (2559), 2007 states have internal predecessors, (2559), 760 states have call successors, (760), 154 states have call predecessors, (760), 153 states have return successors, (753), 735 states have call predecessors, (753), 753 states have call successors, (753) Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:57:12,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:57:12,994 INFO L93 Difference]: Finished difference Result 5678 states and 8265 transitions. [2021-12-22 15:57:12,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 15:57:12,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2021-12-22 15:57:12,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:57:13,033 INFO L225 Difference]: With dead ends: 5678 [2021-12-22 15:57:13,033 INFO L226 Difference]: Without dead ends: 2813 [2021-12-22 15:57:13,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:57:13,060 INFO L933 BasicCegarLoop]: 3810 mSDtfsCounter, 3825 mSDsluCounter, 3801 mSDsCounter, 0 mSdLazyCounter, 2934 mSolverCounterSat, 1454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4284 SdHoareTripleChecker+Valid, 7611 SdHoareTripleChecker+Invalid, 4388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1454 IncrementalHoareTripleChecker+Valid, 2934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:57:13,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4284 Valid, 7611 Invalid, 4388 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1454 Valid, 2934 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-22 15:57:13,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-12-22 15:57:13,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2778. [2021-12-22 15:57:13,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 1895 states have (on average 1.325065963060686) internal successors, (2511), 1975 states have internal predecessors, (2511), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2021-12-22 15:57:13,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3971 transitions. [2021-12-22 15:57:13,261 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3971 transitions. Word has length 156 [2021-12-22 15:57:13,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:57:13,264 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3971 transitions. [2021-12-22 15:57:13,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:57:13,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3971 transitions. [2021-12-22 15:57:13,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-12-22 15:57:13,275 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:57:13,276 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:57:13,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:57:13,276 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:57:13,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:57:13,277 INFO L85 PathProgramCache]: Analyzing trace with hash 136817919, now seen corresponding path program 1 times [2021-12-22 15:57:13,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:57:13,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72113022] [2021-12-22 15:57:13,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:57:13,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:57:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:57:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:57:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-22 15:57:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 15:57:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 15:57:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:57:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 15:57:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-22 15:57:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-22 15:57:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 15:57:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 15:57:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 15:57:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 15:57:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-22 15:57:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:13,793 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-22 15:57:13,793 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:57:13,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72113022] [2021-12-22 15:57:13,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72113022] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:57:13,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:57:13,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:57:13,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060658631] [2021-12-22 15:57:13,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:57:13,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:57:13,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:57:13,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:57:13,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:57:13,798 INFO L87 Difference]: Start difference. First operand 2778 states and 3971 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:57:18,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:57:18,079 INFO L93 Difference]: Finished difference Result 5572 states and 8044 transitions. [2021-12-22 15:57:18,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 15:57:18,080 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 157 [2021-12-22 15:57:18,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:57:18,096 INFO L225 Difference]: With dead ends: 5572 [2021-12-22 15:57:18,097 INFO L226 Difference]: Without dead ends: 2813 [2021-12-22 15:57:18,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-22 15:57:18,117 INFO L933 BasicCegarLoop]: 3735 mSDtfsCounter, 5670 mSDsluCounter, 3739 mSDsCounter, 0 mSdLazyCounter, 2856 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5670 SdHoareTripleChecker+Valid, 7474 SdHoareTripleChecker+Invalid, 6824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-22 15:57:18,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5670 Valid, 7474 Invalid, 6824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2856 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-22 15:57:18,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-12-22 15:57:18,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2778. [2021-12-22 15:57:18,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 1895 states have (on average 1.324538258575198) internal successors, (2510), 1975 states have internal predecessors, (2510), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2021-12-22 15:57:18,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3970 transitions. [2021-12-22 15:57:18,248 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3970 transitions. Word has length 157 [2021-12-22 15:57:18,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:57:18,248 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3970 transitions. [2021-12-22 15:57:18,249 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:57:18,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3970 transitions. [2021-12-22 15:57:18,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-12-22 15:57:18,252 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:57:18,252 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:57:18,252 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:57:18,253 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:57:18,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:57:18,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1516461365, now seen corresponding path program 1 times [2021-12-22 15:57:18,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:57:18,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129297054] [2021-12-22 15:57:18,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:57:18,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:57:18,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:57:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:57:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-22 15:57:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 15:57:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 15:57:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:57:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 15:57:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:18,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-22 15:57:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-22 15:57:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 15:57:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 15:57:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 15:57:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 15:57:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-22 15:57:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:18,703 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-22 15:57:18,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:57:18,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129297054] [2021-12-22 15:57:18,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129297054] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:57:18,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:57:18,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:57:18,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314655026] [2021-12-22 15:57:18,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:57:18,705 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:57:18,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:57:18,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:57:18,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:57:18,706 INFO L87 Difference]: Start difference. First operand 2778 states and 3970 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:57:22,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:57:22,899 INFO L93 Difference]: Finished difference Result 5572 states and 8042 transitions. [2021-12-22 15:57:22,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 15:57:22,900 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 158 [2021-12-22 15:57:22,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:57:22,915 INFO L225 Difference]: With dead ends: 5572 [2021-12-22 15:57:22,915 INFO L226 Difference]: Without dead ends: 2813 [2021-12-22 15:57:22,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-22 15:57:22,930 INFO L933 BasicCegarLoop]: 3734 mSDtfsCounter, 5666 mSDsluCounter, 3739 mSDsCounter, 0 mSdLazyCounter, 2855 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5666 SdHoareTripleChecker+Valid, 7473 SdHoareTripleChecker+Invalid, 6823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-22 15:57:22,930 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5666 Valid, 7473 Invalid, 6823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2855 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-22 15:57:22,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-12-22 15:57:23,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2778. [2021-12-22 15:57:23,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 1895 states have (on average 1.3240105540897098) internal successors, (2509), 1975 states have internal predecessors, (2509), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2021-12-22 15:57:23,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3969 transitions. [2021-12-22 15:57:23,034 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3969 transitions. Word has length 158 [2021-12-22 15:57:23,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:57:23,036 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3969 transitions. [2021-12-22 15:57:23,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:57:23,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3969 transitions. [2021-12-22 15:57:23,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-12-22 15:57:23,041 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:57:23,041 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:57:23,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:57:23,041 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:57:23,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:57:23,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1450251835, now seen corresponding path program 1 times [2021-12-22 15:57:23,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:57:23,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152156616] [2021-12-22 15:57:23,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:57:23,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:57:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:57:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:57:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-22 15:57:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 15:57:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 15:57:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:57:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 15:57:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-22 15:57:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-22 15:57:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 15:57:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 15:57:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 15:57:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 15:57:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-22 15:57:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:23,528 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-22 15:57:23,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:57:23,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152156616] [2021-12-22 15:57:23,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152156616] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:57:23,529 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:57:23,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:57:23,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822363574] [2021-12-22 15:57:23,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:57:23,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:57:23,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:57:23,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:57:23,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:57:23,530 INFO L87 Difference]: Start difference. First operand 2778 states and 3969 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:57:27,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:57:27,525 INFO L93 Difference]: Finished difference Result 5572 states and 8040 transitions. [2021-12-22 15:57:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 15:57:27,526 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 159 [2021-12-22 15:57:27,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:57:27,539 INFO L225 Difference]: With dead ends: 5572 [2021-12-22 15:57:27,540 INFO L226 Difference]: Without dead ends: 2813 [2021-12-22 15:57:27,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-22 15:57:27,551 INFO L933 BasicCegarLoop]: 3732 mSDtfsCounter, 5662 mSDsluCounter, 3738 mSDsCounter, 0 mSdLazyCounter, 2853 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5662 SdHoareTripleChecker+Valid, 7470 SdHoareTripleChecker+Invalid, 6823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:57:27,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5662 Valid, 7470 Invalid, 6823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2853 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-12-22 15:57:27,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-12-22 15:57:27,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2778. [2021-12-22 15:57:27,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 1895 states have (on average 1.3234828496042217) internal successors, (2508), 1975 states have internal predecessors, (2508), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2021-12-22 15:57:27,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3968 transitions. [2021-12-22 15:57:27,673 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3968 transitions. Word has length 159 [2021-12-22 15:57:27,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:57:27,674 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3968 transitions. [2021-12-22 15:57:27,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 5 states have internal predecessors, (79), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:57:27,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3968 transitions. [2021-12-22 15:57:27,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-12-22 15:57:27,679 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:57:27,680 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:57:27,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:57:27,680 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:57:27,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:57:27,682 INFO L85 PathProgramCache]: Analyzing trace with hash -487726991, now seen corresponding path program 1 times [2021-12-22 15:57:27,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:57:27,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377552861] [2021-12-22 15:57:27,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:57:27,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:57:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:27,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:57:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:27,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:57:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:27,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-22 15:57:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:27,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:27,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 15:57:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:27,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 15:57:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:27,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:57:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:27,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 15:57:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:27,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:27,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:27,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:27,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-22 15:57:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:27,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-22 15:57:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:27,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:27,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:27,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:28,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 15:57:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:28,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 15:57:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:28,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 15:57:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:28,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 15:57:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:28,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-22 15:57:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-22 15:57:28,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:57:28,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377552861] [2021-12-22 15:57:28,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377552861] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:57:28,054 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:57:28,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:57:28,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024898462] [2021-12-22 15:57:28,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:57:28,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:57:28,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:57:28,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:57:28,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:57:28,056 INFO L87 Difference]: Start difference. First operand 2778 states and 3968 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:57:31,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:57:31,734 INFO L93 Difference]: Finished difference Result 5572 states and 8038 transitions. [2021-12-22 15:57:31,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 15:57:31,735 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 160 [2021-12-22 15:57:31,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:57:31,745 INFO L225 Difference]: With dead ends: 5572 [2021-12-22 15:57:31,745 INFO L226 Difference]: Without dead ends: 2813 [2021-12-22 15:57:31,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-22 15:57:31,754 INFO L933 BasicCegarLoop]: 3731 mSDtfsCounter, 5658 mSDsluCounter, 3738 mSDsCounter, 0 mSdLazyCounter, 2852 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5658 SdHoareTripleChecker+Valid, 7469 SdHoareTripleChecker+Invalid, 6822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-22 15:57:31,754 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5658 Valid, 7469 Invalid, 6822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2852 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-22 15:57:31,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-12-22 15:57:31,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2778. [2021-12-22 15:57:31,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 1895 states have (on average 1.3229551451187336) internal successors, (2507), 1975 states have internal predecessors, (2507), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2021-12-22 15:57:31,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3967 transitions. [2021-12-22 15:57:31,838 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3967 transitions. Word has length 160 [2021-12-22 15:57:31,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:57:31,838 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3967 transitions. [2021-12-22 15:57:31,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:57:31,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3967 transitions. [2021-12-22 15:57:31,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-12-22 15:57:31,841 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:57:31,841 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:57:31,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 15:57:31,842 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:57:31,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:57:31,842 INFO L85 PathProgramCache]: Analyzing trace with hash -321011849, now seen corresponding path program 1 times [2021-12-22 15:57:31,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:57:31,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412572768] [2021-12-22 15:57:31,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:57:31,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:57:31,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:57:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:57:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-22 15:57:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 15:57:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 15:57:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:57:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 15:57:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-22 15:57:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-22 15:57:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 15:57:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 15:57:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 15:57:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 15:57:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-22 15:57:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-22 15:57:32,176 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:57:32,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412572768] [2021-12-22 15:57:32,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412572768] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:57:32,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:57:32,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:57:32,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078828058] [2021-12-22 15:57:32,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:57:32,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:57:32,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:57:32,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:57:32,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:57:32,178 INFO L87 Difference]: Start difference. First operand 2778 states and 3967 transitions. Second operand has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:57:35,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:57:35,968 INFO L93 Difference]: Finished difference Result 5572 states and 8036 transitions. [2021-12-22 15:57:35,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 15:57:35,969 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 161 [2021-12-22 15:57:35,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:57:35,979 INFO L225 Difference]: With dead ends: 5572 [2021-12-22 15:57:35,979 INFO L226 Difference]: Without dead ends: 2813 [2021-12-22 15:57:35,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-22 15:57:35,989 INFO L933 BasicCegarLoop]: 3731 mSDtfsCounter, 5654 mSDsluCounter, 3739 mSDsCounter, 0 mSdLazyCounter, 2852 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5654 SdHoareTripleChecker+Valid, 7470 SdHoareTripleChecker+Invalid, 6820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:57:35,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5654 Valid, 7470 Invalid, 6820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2852 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-22 15:57:35,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2813 states. [2021-12-22 15:57:36,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2813 to 2778. [2021-12-22 15:57:36,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 1895 states have (on average 1.3224274406332455) internal successors, (2506), 1975 states have internal predecessors, (2506), 730 states have call successors, (730), 152 states have call predecessors, (730), 152 states have return successors, (730), 712 states have call predecessors, (730), 730 states have call successors, (730) [2021-12-22 15:57:36,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3966 transitions. [2021-12-22 15:57:36,089 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3966 transitions. Word has length 161 [2021-12-22 15:57:36,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:57:36,090 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3966 transitions. [2021-12-22 15:57:36,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.5) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:57:36,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3966 transitions. [2021-12-22 15:57:36,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-22 15:57:36,093 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:57:36,093 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:57:36,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 15:57:36,094 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:57:36,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:57:36,094 INFO L85 PathProgramCache]: Analyzing trace with hash 666706861, now seen corresponding path program 1 times [2021-12-22 15:57:36,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:57:36,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821517090] [2021-12-22 15:57:36,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:57:36,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:57:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:57:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:57:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-22 15:57:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 15:57:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 15:57:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:57:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 15:57:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-22 15:57:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-22 15:57:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:36,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 15:57:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 15:57:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 15:57:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 15:57:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-22 15:57:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-22 15:57:36,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:57:36,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821517090] [2021-12-22 15:57:36,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821517090] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:57:36,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:57:36,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:57:36,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752055118] [2021-12-22 15:57:36,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:57:36,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:57:36,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:57:36,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:57:36,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:57:36,412 INFO L87 Difference]: Start difference. First operand 2778 states and 3966 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:57:45,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:57:45,297 INFO L93 Difference]: Finished difference Result 10121 states and 14516 transitions. [2021-12-22 15:57:45,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-22 15:57:45,297 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 162 [2021-12-22 15:57:45,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:57:45,350 INFO L225 Difference]: With dead ends: 10121 [2021-12-22 15:57:45,351 INFO L226 Difference]: Without dead ends: 7362 [2021-12-22 15:57:45,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-12-22 15:57:45,368 INFO L933 BasicCegarLoop]: 6834 mSDtfsCounter, 11141 mSDsluCounter, 8021 mSDsCounter, 0 mSdLazyCounter, 7858 mSolverCounterSat, 4997 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11958 SdHoareTripleChecker+Valid, 14855 SdHoareTripleChecker+Invalid, 12855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4997 IncrementalHoareTripleChecker+Valid, 7858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:57:45,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11958 Valid, 14855 Invalid, 12855 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4997 Valid, 7858 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2021-12-22 15:57:45,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7362 states. [2021-12-22 15:57:45,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7362 to 7291. [2021-12-22 15:57:45,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7291 states, 5019 states have (on average 1.3144052600119547) internal successors, (6597), 5229 states have internal predecessors, (6597), 1861 states have call successors, (1861), 418 states have call predecessors, (1861), 410 states have return successors, (1948), 1795 states have call predecessors, (1948), 1861 states have call successors, (1948) [2021-12-22 15:57:45,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7291 states to 7291 states and 10406 transitions. [2021-12-22 15:57:45,818 INFO L78 Accepts]: Start accepts. Automaton has 7291 states and 10406 transitions. Word has length 162 [2021-12-22 15:57:45,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:57:45,818 INFO L470 AbstractCegarLoop]: Abstraction has 7291 states and 10406 transitions. [2021-12-22 15:57:45,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:57:45,819 INFO L276 IsEmpty]: Start isEmpty. Operand 7291 states and 10406 transitions. [2021-12-22 15:57:45,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-12-22 15:57:45,822 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:57:45,822 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:57:45,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 15:57:45,823 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:57:45,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:57:45,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1335732403, now seen corresponding path program 1 times [2021-12-22 15:57:45,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:57:45,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785091003] [2021-12-22 15:57:45,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:57:45,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:57:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:57:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:57:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-22 15:57:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 15:57:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 15:57:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:57:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 15:57:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-22 15:57:46,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-22 15:57:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 15:57:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 15:57:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 15:57:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 15:57:46,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-22 15:57:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-22 15:57:46,234 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:57:46,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785091003] [2021-12-22 15:57:46,234 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785091003] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:57:46,234 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:57:46,234 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:57:46,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860005328] [2021-12-22 15:57:46,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:57:46,235 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:57:46,235 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:57:46,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:57:46,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:57:46,236 INFO L87 Difference]: Start difference. First operand 7291 states and 10406 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:57:50,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:57:50,182 INFO L93 Difference]: Finished difference Result 14627 states and 21100 transitions. [2021-12-22 15:57:50,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-22 15:57:50,182 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 163 [2021-12-22 15:57:50,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:57:50,221 INFO L225 Difference]: With dead ends: 14627 [2021-12-22 15:57:50,221 INFO L226 Difference]: Without dead ends: 7355 [2021-12-22 15:57:50,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-22 15:57:50,255 INFO L933 BasicCegarLoop]: 3730 mSDtfsCounter, 5649 mSDsluCounter, 3739 mSDsCounter, 0 mSdLazyCounter, 2851 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5649 SdHoareTripleChecker+Valid, 7469 SdHoareTripleChecker+Invalid, 6819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:57:50,255 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5649 Valid, 7469 Invalid, 6819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2851 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2021-12-22 15:57:50,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7355 states. [2021-12-22 15:57:50,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7355 to 7291. [2021-12-22 15:57:50,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7291 states, 5019 states have (on average 1.3138075313807531) internal successors, (6594), 5229 states have internal predecessors, (6594), 1861 states have call successors, (1861), 418 states have call predecessors, (1861), 410 states have return successors, (1948), 1795 states have call predecessors, (1948), 1861 states have call successors, (1948) [2021-12-22 15:57:50,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7291 states to 7291 states and 10403 transitions. [2021-12-22 15:57:50,648 INFO L78 Accepts]: Start accepts. Automaton has 7291 states and 10403 transitions. Word has length 163 [2021-12-22 15:57:50,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:57:50,648 INFO L470 AbstractCegarLoop]: Abstraction has 7291 states and 10403 transitions. [2021-12-22 15:57:50,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-22 15:57:50,648 INFO L276 IsEmpty]: Start isEmpty. Operand 7291 states and 10403 transitions. [2021-12-22 15:57:50,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-22 15:57:50,652 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:57:50,652 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:57:50,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-22 15:57:50,652 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:57:50,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:57:50,653 INFO L85 PathProgramCache]: Analyzing trace with hash 715204329, now seen corresponding path program 1 times [2021-12-22 15:57:50,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:57:50,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943567029] [2021-12-22 15:57:50,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:57:50,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:57:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:57:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-22 15:57:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-22 15:57:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 15:57:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 15:57:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 15:57:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 15:57:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-22 15:57:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-22 15:57:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:57:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:57:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:57:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 15:57:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 15:57:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 15:57:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 15:57:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-22 15:57:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:57:50,970 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-22 15:57:50,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:57:50,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943567029] [2021-12-22 15:57:50,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943567029] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:57:50,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:57:50,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:57:50,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237843325] [2021-12-22 15:57:50,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:57:50,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:57:50,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:57:50,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:57:50,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:57:50,973 INFO L87 Difference]: Start difference. First operand 7291 states and 10403 transitions. Second operand has 6 states, 6 states have (on average 14.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18)