./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 6c24879c 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-?-6c24879 [2022-07-12 16:39:05,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:39:05,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:39:05,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:39:05,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:39:05,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:39:05,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:39:05,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:39:05,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:39:05,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:39:05,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:39:05,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:39:05,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:39:05,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:39:05,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:39:05,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:39:05,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:39:05,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:39:05,647 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:39:05,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:39:05,652 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:39:05,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:39:05,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:39:05,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:39:05,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:39:05,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:39:05,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:39:05,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:39:05,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:39:05,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:39:05,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:39:05,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:39:05,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:39:05,665 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:39:05,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:39:05,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:39:05,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:39:05,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:39:05,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:39:05,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:39:05,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:39:05,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:39:05,671 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:39:05,691 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:39:05,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:39:05,692 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:39:05,692 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:39:05,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:39:05,693 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:39:05,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:39:05,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:39:05,694 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:39:05,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:39:05,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:39:05,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:39:05,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:39:05,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:39:05,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:39:05,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:39:05,695 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:39:05,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:39:05,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:39:05,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:39:05,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:39:05,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:39:05,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:39:05,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:39:05,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:39:05,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:39:05,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:39:05,698 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:39:05,698 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:39:05,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:39:05,698 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 004fcd1800da3fcc8c5839d85d0662ed24df5100e10ec8a5024be56f561eab28 [2022-07-12 16:39:05,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:39:05,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:39:05,932 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:39:05,933 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:39:05,934 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:39:05,934 INFO L432 ainManager$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 [2022-07-12 16:39:06,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbeb63feb/81ea5ab976ff4061a23a85bbc7c5aa70/FLAG99f195fd7 [2022-07-12 16:39:06,674 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:39:06,675 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 [2022-07-12 16:39:06,716 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbeb63feb/81ea5ab976ff4061a23a85bbc7c5aa70/FLAG99f195fd7 [2022-07-12 16:39:06,746 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbeb63feb/81ea5ab976ff4061a23a85bbc7c5aa70 [2022-07-12 16:39:06,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:39:06,749 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:39:06,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:39:06,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:39:06,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:39:06,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:39:06" (1/1) ... [2022-07-12 16:39:06,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53a9b527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:39:06, skipping insertion in model container [2022-07-12 16:39:06,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:39:06" (1/1) ... [2022-07-12 16:39:06,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:39:06,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:39:09,306 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] [2022-07-12 16:39:09,309 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] [2022-07-12 16:39:09,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:39:09,411 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:39:09,701 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] [2022-07-12 16:39:09,701 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] [2022-07-12 16:39:09,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:39:09,897 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:39:09,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:39:09 WrapperNode [2022-07-12 16:39:09,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:39:09,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:39:09,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:39:09,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:39:09,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:39:09" (1/1) ... [2022-07-12 16:39:10,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:39:09" (1/1) ... [2022-07-12 16:39:10,213 INFO L137 Inliner]: procedures = 548, calls = 4417, calls flagged for inlining = 251, calls inlined = 230, statements flattened = 8995 [2022-07-12 16:39:10,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:39:10,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:39:10,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:39:10,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:39:10,222 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:39:09" (1/1) ... [2022-07-12 16:39:10,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:39:09" (1/1) ... [2022-07-12 16:39:10,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:39:09" (1/1) ... [2022-07-12 16:39:10,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:39:09" (1/1) ... [2022-07-12 16:39:10,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:39:09" (1/1) ... [2022-07-12 16:39:10,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:39:09" (1/1) ... [2022-07-12 16:39:10,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:39:09" (1/1) ... [2022-07-12 16:39:10,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:39:10,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:39:10,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:39:10,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:39:10,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:39:09" (1/1) ... [2022-07-12 16:39:10,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:39:10,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:39:10,610 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) [2022-07-12 16:39:10,626 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 [2022-07-12 16:39:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_122 [2022-07-12 16:39:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_122 [2022-07-12 16:39:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 16:39:10,638 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 16:39:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:39:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:39:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-12 16:39:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-12 16:39:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-07-12 16:39:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-07-12 16:39:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_nway_reset [2022-07-12 16:39:10,639 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_nway_reset [2022-07-12 16:39:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 16:39:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 16:39:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_88 [2022-07-12 16:39:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_88 [2022-07-12 16:39:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_107 [2022-07-12 16:39:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_107 [2022-07-12 16:39:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:39:10,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:39:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-12 16:39:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-12 16:39:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2022-07-12 16:39:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2022-07-12 16:39:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_remove_one [2022-07-12 16:39:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_remove_one [2022-07-12 16:39:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-12 16:39:10,641 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-12 16:39:10,641 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2022-07-12 16:39:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2022-07-12 16:39:10,642 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 16:39:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 16:39:10,642 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-12 16:39:10,642 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-12 16:39:10,642 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2022-07-12 16:39:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2022-07-12 16:39:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2022-07-12 16:39:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2022-07-12 16:39:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-12 16:39:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-12 16:39:10,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 16:39:10,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 16:39:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2022-07-12 16:39:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2022-07-12 16:39:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 16:39:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 16:39:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-12 16:39:10,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_window_lock_of_vortex_private [2022-07-12 16:39:10,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-12 16:39:10,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_vortex_private [2022-07-12 16:39:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2022-07-12 16:39:10,645 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2022-07-12 16:39:10,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 16:39:10,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 16:39:10,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:39:10,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:39:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 16:39:10,647 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 16:39:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-12 16:39:10,647 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-12 16:39:10,647 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 16:39:10,647 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 16:39:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-12 16:39:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-12 16:39:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 16:39:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 16:39:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:39:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:39:10,648 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-12 16:39:10,648 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-12 16:39:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 16:39:10,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 16:39:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2022-07-12 16:39:10,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2022-07-12 16:39:10,649 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 16:39:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 16:39:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:39:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tx_timestamp [2022-07-12 16:39:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tx_timestamp [2022-07-12 16:39:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-12 16:39:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-12 16:39:10,650 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 16:39:10,650 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 16:39:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_118 [2022-07-12 16:39:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_118 [2022-07-12 16:39:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 16:39:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 16:39:10,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2022-07-12 16:39:10,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2022-07-12 16:39:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 16:39:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2022-07-12 16:39:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2022-07-12 16:39:10,652 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-12 16:39:10,652 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-12 16:39:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2022-07-12 16:39:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2022-07-12 16:39:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 16:39:10,653 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 16:39:10,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-12 16:39:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-12 16:39:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 16:39:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 16:39:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 16:39:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_106 [2022-07-12 16:39:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_106 [2022-07-12 16:39:10,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:39:10,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:39:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 16:39:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2022-07-12 16:39:10,655 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2022-07-12 16:39:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-12 16:39:10,655 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-12 16:39:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 16:39:10,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 16:39:10,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:39:10,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:39:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 16:39:10,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 16:39:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 16:39:10,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 16:39:10,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 16:39:10,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 16:39:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 16:39:10,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 16:39:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2022-07-12 16:39:10,657 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2022-07-12 16:39:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_132 [2022-07-12 16:39:10,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_132 [2022-07-12 16:39:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-12 16:39:10,657 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-12 16:39:10,657 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 16:39:10,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 16:39:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2022-07-12 16:39:10,658 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2022-07-12 16:39:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 16:39:10,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 16:39:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2022-07-12 16:39:10,658 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2022-07-12 16:39:10,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:39:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-07-12 16:39:10,659 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-07-12 16:39:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-12 16:39:10,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-12 16:39:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:39:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:39:10,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:39:10,659 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 16:39:10,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 16:39:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:39:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-12 16:39:10,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-12 16:39:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:39:10,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:39:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-12 16:39:10,660 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-12 16:39:10,660 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 16:39:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 16:39:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:39:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:39:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-12 16:39:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-12 16:39:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2022-07-12 16:39:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2022-07-12 16:39:10,661 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 16:39:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 16:39:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2022-07-12 16:39:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2022-07-12 16:39:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-07-12 16:39:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-07-12 16:39:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-12 16:39:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-12 16:39:10,662 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2022-07-12 16:39:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2022-07-12 16:39:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-12 16:39:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-12 16:39:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2022-07-12 16:39:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2022-07-12 16:39:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 16:39:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 16:39:10,663 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-12 16:39:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-12 16:39:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2022-07-12 16:39:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2022-07-12 16:39:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 16:39:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 16:39:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-12 16:39:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_window_lock_of_vortex_private [2022-07-12 16:39:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2022-07-12 16:39:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2022-07-12 16:39:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-12 16:39:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-12 16:39:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-12 16:39:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-12 16:39:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2022-07-12 16:39:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2022-07-12 16:39:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-12 16:39:10,665 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-12 16:39:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2022-07-12 16:39:10,666 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2022-07-12 16:39:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2022-07-12 16:39:10,666 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2022-07-12 16:39:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-12 16:39:10,666 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-12 16:39:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:39:10,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:39:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2022-07-12 16:39:10,667 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2022-07-12 16:39:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:39:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:39:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:39:10,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:39:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 16:39:10,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 16:39:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-07-12 16:39:10,667 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-07-12 16:39:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 16:39:10,668 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 16:39:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 16:39:10,668 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 16:39:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-12 16:39:10,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-12 16:39:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 16:39:10,668 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 16:39:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-12 16:39:10,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-12 16:39:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:39:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_111 [2022-07-12 16:39:10,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_111 [2022-07-12 16:39:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-12 16:39:10,669 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-12 16:39:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 16:39:10,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 16:39:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:39:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2022-07-12 16:39:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2022-07-12 16:39:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2022-07-12 16:39:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2022-07-12 16:39:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:39:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-12 16:39:10,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-12 16:39:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure rx_oom_timer [2022-07-12 16:39:10,671 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_oom_timer [2022-07-12 16:39:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-12 16:39:10,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-12 16:39:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 16:39:10,671 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 16:39:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:39:10,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:39:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-12 16:39:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-12 16:39:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-12 16:39:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-12 16:39:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-07-12 16:39:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-07-12 16:39:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2022-07-12 16:39:10,672 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2022-07-12 16:39:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-12 16:39:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-12 16:39:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-12 16:39:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-12 16:39:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2022-07-12 16:39:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2022-07-12 16:39:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_105 [2022-07-12 16:39:10,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_105 [2022-07-12 16:39:10,673 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 16:39:10,674 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 16:39:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 16:39:10,674 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 16:39:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-12 16:39:10,674 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-12 16:39:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_133 [2022-07-12 16:39:10,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_133 [2022-07-12 16:39:10,674 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 16:39:10,675 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 16:39:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2022-07-12 16:39:10,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2022-07-12 16:39:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_timer [2022-07-12 16:39:10,675 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_timer [2022-07-12 16:39:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 16:39:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2022-07-12 16:39:10,675 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2022-07-12 16:39:10,675 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-12 16:39:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-12 16:39:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-12 16:39:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-12 16:39:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:39:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:39:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2022-07-12 16:39:10,676 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2022-07-12 16:39:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2022-07-12 16:39:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2022-07-12 16:39:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2022-07-12 16:39:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2022-07-12 16:39:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-12 16:39:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-12 16:39:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2022-07-12 16:39:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2022-07-12 16:39:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-12 16:39:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-12 16:39:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2022-07-12 16:39:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2022-07-12 16:39:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2022-07-12 16:39:10,678 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2022-07-12 16:39:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:39:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:39:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-12 16:39:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-12 16:39:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-12 16:39:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-12 16:39:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-12 16:39:10,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-12 16:39:10,679 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-12 16:39:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_vortex_private [2022-07-12 16:39:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 16:39:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 16:39:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_112 [2022-07-12 16:39:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_112 [2022-07-12 16:39:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2022-07-12 16:39:10,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2022-07-12 16:39:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 16:39:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:39:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:39:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-12 16:39:10,681 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-12 16:39:11,406 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:39:11,409 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:39:12,498 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:39:15,969 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:39:15,997 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:39:15,997 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 16:39:16,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:39:16 BoogieIcfgContainer [2022-07-12 16:39:16,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:39:16,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:39:16,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:39:16,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:39:16,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:39:06" (1/3) ... [2022-07-12 16:39:16,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48101919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:39:16, skipping insertion in model container [2022-07-12 16:39:16,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:39:09" (2/3) ... [2022-07-12 16:39:16,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48101919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:39:16, skipping insertion in model container [2022-07-12 16:39:16,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:39:16" (3/3) ... [2022-07-12 16:39:16,012 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-3com-3c59x.cil.i [2022-07-12 16:39:16,023 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:39:16,024 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 16:39:16,125 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:39:16,133 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4176b865, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2e54ae82 [2022-07-12 16:39:16,134 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 16:39:16,145 INFO L276 IsEmpty]: Start isEmpty. Operand has 2965 states, 2050 states have (on average 1.3682926829268294) internal successors, (2805), 2136 states have internal predecessors, (2805), 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) [2022-07-12 16:39:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-12 16:39:16,174 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:39:16,175 INFO L195 NwaCegarLoop]: 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] [2022-07-12 16:39:16,176 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:39:16,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:39:16,182 INFO L85 PathProgramCache]: Analyzing trace with hash -60610364, now seen corresponding path program 1 times [2022-07-12 16:39:16,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:39:16,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72832415] [2022-07-12 16:39:16,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:39:16,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:39:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:16,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:39:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:16,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:39:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:16,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 16:39:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:16,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:16,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:39:16,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:16,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 16:39:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:16,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 16:39:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:16,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 16:39:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:16,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:16,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:16,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:16,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:39:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:17,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 16:39:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:17,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:17,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:17,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:17,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:39:17,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:17,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 16:39:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:17,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:39:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:17,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 16:39:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:17,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 16:39:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:17,072 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-12 16:39:17,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:39:17,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72832415] [2022-07-12 16:39:17,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72832415] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:39:17,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:39:17,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:39:17,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544744151] [2022-07-12 16:39:17,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:39:17,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:39:17,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:39:17,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:39:17,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:39:17,105 INFO L87 Difference]: Start difference. First operand has 2965 states, 2050 states have (on average 1.3682926829268294) internal successors, (2805), 2136 states have internal predecessors, (2805), 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) [2022-07-12 16:39:20,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:39:20,577 INFO L93 Difference]: Finished difference Result 5936 states and 8778 transitions. [2022-07-12 16:39:20,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 16:39:20,580 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 [2022-07-12 16:39:20,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:39:20,612 INFO L225 Difference]: With dead ends: 5936 [2022-07-12 16:39:20,612 INFO L226 Difference]: Without dead ends: 2942 [2022-07-12 16:39:20,632 INFO L412 NwaCegarLoop]: 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 [2022-07-12 16:39:20,636 INFO L413 NwaCegarLoop]: 3996 mSDtfsCounter, 4048 mSDsluCounter, 4102 mSDsCounter, 0 mSdLazyCounter, 2969 mSolverCounterSat, 1454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4508 SdHoareTripleChecker+Valid, 8098 SdHoareTripleChecker+Invalid, 4423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1454 IncrementalHoareTripleChecker+Valid, 2969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:39:20,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4508 Valid, 8098 Invalid, 4423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1454 Valid, 2969 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-12 16:39:20,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-12 16:39:20,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-12 16:39:20,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2024 states have (on average 1.33300395256917) internal successors, (2698), 2104 states have internal predecessors, (2698), 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) [2022-07-12 16:39:20,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4158 transitions. [2022-07-12 16:39:20,806 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4158 transitions. Word has length 156 [2022-07-12 16:39:20,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:39:20,809 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4158 transitions. [2022-07-12 16:39:20,810 INFO L496 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) [2022-07-12 16:39:20,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4158 transitions. [2022-07-12 16:39:20,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-07-12 16:39:20,819 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:39:20,819 INFO L195 NwaCegarLoop]: 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] [2022-07-12 16:39:20,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 16:39:20,820 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:39:20,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:39:20,821 INFO L85 PathProgramCache]: Analyzing trace with hash -617333662, now seen corresponding path program 1 times [2022-07-12 16:39:20,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:39:20,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624816676] [2022-07-12 16:39:20,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:39:20,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:39:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:39:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:39:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 16:39:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:39:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 16:39:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 16:39:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 16:39:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:21,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:39:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 16:39:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:39:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 16:39:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:39:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 16:39:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 16:39:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:21,317 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-12 16:39:21,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:39:21,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624816676] [2022-07-12 16:39:21,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624816676] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:39:21,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:39:21,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:39:21,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900066600] [2022-07-12 16:39:21,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:39:21,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:39:21,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:39:21,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:39:21,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:39:21,320 INFO L87 Difference]: Start difference. First operand 2907 states and 4158 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) [2022-07-12 16:39:25,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:39:25,492 INFO L93 Difference]: Finished difference Result 5830 states and 8418 transitions. [2022-07-12 16:39:25,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 16:39:25,492 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 [2022-07-12 16:39:25,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:39:25,509 INFO L225 Difference]: With dead ends: 5830 [2022-07-12 16:39:25,509 INFO L226 Difference]: Without dead ends: 2942 [2022-07-12 16:39:25,523 INFO L412 NwaCegarLoop]: 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 [2022-07-12 16:39:25,527 INFO L413 NwaCegarLoop]: 3922 mSDtfsCounter, 6080 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2892 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6080 SdHoareTripleChecker+Valid, 7963 SdHoareTripleChecker+Invalid, 6860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-12 16:39:25,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6080 Valid, 7963 Invalid, 6860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2892 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-12 16:39:25,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-12 16:39:25,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-12 16:39:25,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2024 states have (on average 1.3325098814229248) internal successors, (2697), 2104 states have internal predecessors, (2697), 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) [2022-07-12 16:39:25,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4157 transitions. [2022-07-12 16:39:25,654 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4157 transitions. Word has length 157 [2022-07-12 16:39:25,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:39:25,656 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4157 transitions. [2022-07-12 16:39:25,656 INFO L496 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) [2022-07-12 16:39:25,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4157 transitions. [2022-07-12 16:39:25,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-07-12 16:39:25,659 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:39:25,660 INFO L195 NwaCegarLoop]: 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] [2022-07-12 16:39:25,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 16:39:25,660 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:39:25,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:39:25,660 INFO L85 PathProgramCache]: Analyzing trace with hash -581370112, now seen corresponding path program 1 times [2022-07-12 16:39:25,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:39:25,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229426373] [2022-07-12 16:39:25,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:39:25,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:39:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:25,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:39:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:25,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:39:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:25,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 16:39:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:25,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:25,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:39:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:25,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 16:39:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:25,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 16:39:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:25,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 16:39:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:25,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:25,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:25,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:25,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:39:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:26,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 16:39:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:26,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:26,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:26,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:26,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:39:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:26,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 16:39:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:26,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:39:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:26,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 16:39:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:26,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 16:39:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:26,065 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-12 16:39:26,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:39:26,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229426373] [2022-07-12 16:39:26,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229426373] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:39:26,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:39:26,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:39:26,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087611540] [2022-07-12 16:39:26,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:39:26,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:39:26,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:39:26,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:39:26,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:39:26,067 INFO L87 Difference]: Start difference. First operand 2907 states and 4157 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) [2022-07-12 16:39:29,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:39:29,877 INFO L93 Difference]: Finished difference Result 5830 states and 8416 transitions. [2022-07-12 16:39:29,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 16:39:29,878 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 [2022-07-12 16:39:29,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:39:29,898 INFO L225 Difference]: With dead ends: 5830 [2022-07-12 16:39:29,898 INFO L226 Difference]: Without dead ends: 2942 [2022-07-12 16:39:29,910 INFO L412 NwaCegarLoop]: 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 [2022-07-12 16:39:29,912 INFO L413 NwaCegarLoop]: 3920 mSDtfsCounter, 6076 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 2890 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6076 SdHoareTripleChecker+Valid, 7960 SdHoareTripleChecker+Invalid, 6860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-12 16:39:29,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6076 Valid, 7960 Invalid, 6860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2890 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-12 16:39:29,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-12 16:39:29,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-12 16:39:30,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2024 states have (on average 1.33201581027668) internal successors, (2696), 2104 states have internal predecessors, (2696), 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) [2022-07-12 16:39:30,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4156 transitions. [2022-07-12 16:39:30,016 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4156 transitions. Word has length 158 [2022-07-12 16:39:30,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:39:30,018 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4156 transitions. [2022-07-12 16:39:30,018 INFO L496 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) [2022-07-12 16:39:30,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4156 transitions. [2022-07-12 16:39:30,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-07-12 16:39:30,022 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:39:30,022 INFO L195 NwaCegarLoop]: 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] [2022-07-12 16:39:30,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 16:39:30,022 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:39:30,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:39:30,023 INFO L85 PathProgramCache]: Analyzing trace with hash 648016542, now seen corresponding path program 1 times [2022-07-12 16:39:30,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:39:30,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467186872] [2022-07-12 16:39:30,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:39:30,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:39:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:39:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:39:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 16:39:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:39:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 16:39:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 16:39:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 16:39:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:30,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:30,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:39:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 16:39:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:39:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 16:39:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:39:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 16:39:30,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 16:39:30,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:30,397 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-12 16:39:30,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:39:30,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467186872] [2022-07-12 16:39:30,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467186872] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:39:30,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:39:30,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:39:30,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548226985] [2022-07-12 16:39:30,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:39:30,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:39:30,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:39:30,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:39:30,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:39:30,399 INFO L87 Difference]: Start difference. First operand 2907 states and 4156 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) [2022-07-12 16:39:34,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:39:34,819 INFO L93 Difference]: Finished difference Result 5830 states and 8414 transitions. [2022-07-12 16:39:34,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 16:39:34,820 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 [2022-07-12 16:39:34,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:39:34,834 INFO L225 Difference]: With dead ends: 5830 [2022-07-12 16:39:34,834 INFO L226 Difference]: Without dead ends: 2942 [2022-07-12 16:39:34,847 INFO L412 NwaCegarLoop]: 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 [2022-07-12 16:39:34,848 INFO L413 NwaCegarLoop]: 3920 mSDtfsCounter, 6072 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2890 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6072 SdHoareTripleChecker+Valid, 7961 SdHoareTripleChecker+Invalid, 6858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:39:34,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6072 Valid, 7961 Invalid, 6858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2890 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-12 16:39:34,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-12 16:39:34,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-12 16:39:34,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2024 states have (on average 1.3315217391304348) internal successors, (2695), 2104 states have internal predecessors, (2695), 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) [2022-07-12 16:39:34,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4155 transitions. [2022-07-12 16:39:34,942 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4155 transitions. Word has length 159 [2022-07-12 16:39:34,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:39:34,943 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4155 transitions. [2022-07-12 16:39:34,943 INFO L496 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) [2022-07-12 16:39:34,943 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4155 transitions. [2022-07-12 16:39:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-07-12 16:39:34,946 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:39:34,946 INFO L195 NwaCegarLoop]: 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] [2022-07-12 16:39:34,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 16:39:34,946 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:39:34,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:39:34,947 INFO L85 PathProgramCache]: Analyzing trace with hash 218813756, now seen corresponding path program 1 times [2022-07-12 16:39:34,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:39:34,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207669602] [2022-07-12 16:39:34,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:39:34,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:39:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:39:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:39:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 16:39:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:39:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 16:39:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 16:39:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 16:39:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:39:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 16:39:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:39:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 16:39:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:39:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 16:39:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 16:39:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:35,301 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-12 16:39:35,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:39:35,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207669602] [2022-07-12 16:39:35,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207669602] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:39:35,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:39:35,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:39:35,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805419613] [2022-07-12 16:39:35,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:39:35,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:39:35,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:39:35,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:39:35,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:39:35,303 INFO L87 Difference]: Start difference. First operand 2907 states and 4155 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) [2022-07-12 16:39:39,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:39:39,324 INFO L93 Difference]: Finished difference Result 5830 states and 8412 transitions. [2022-07-12 16:39:39,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 16:39:39,325 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 [2022-07-12 16:39:39,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:39:39,338 INFO L225 Difference]: With dead ends: 5830 [2022-07-12 16:39:39,338 INFO L226 Difference]: Without dead ends: 2942 [2022-07-12 16:39:39,348 INFO L412 NwaCegarLoop]: 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 [2022-07-12 16:39:39,349 INFO L413 NwaCegarLoop]: 3918 mSDtfsCounter, 6068 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 2888 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6068 SdHoareTripleChecker+Valid, 7958 SdHoareTripleChecker+Invalid, 6858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:39:39,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6068 Valid, 7958 Invalid, 6858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2888 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-12 16:39:39,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-12 16:39:39,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-12 16:39:39,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2024 states have (on average 1.3310276679841897) internal successors, (2694), 2104 states have internal predecessors, (2694), 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) [2022-07-12 16:39:39,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4154 transitions. [2022-07-12 16:39:39,442 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4154 transitions. Word has length 160 [2022-07-12 16:39:39,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:39:39,442 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4154 transitions. [2022-07-12 16:39:39,443 INFO L496 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) [2022-07-12 16:39:39,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4154 transitions. [2022-07-12 16:39:39,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-12 16:39:39,446 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:39:39,446 INFO L195 NwaCegarLoop]: 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] [2022-07-12 16:39:39,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 16:39:39,446 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:39:39,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:39:39,447 INFO L85 PathProgramCache]: Analyzing trace with hash -87054118, now seen corresponding path program 1 times [2022-07-12 16:39:39,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:39:39,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453728928] [2022-07-12 16:39:39,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:39:39,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:39:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:39:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:39:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 16:39:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:39:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 16:39:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 16:39:39,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 16:39:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:39:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 16:39:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:39:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 16:39:39,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:39:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 16:39:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 16:39:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:39,780 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-12 16:39:39,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:39:39,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453728928] [2022-07-12 16:39:39,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453728928] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:39:39,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:39:39,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:39:39,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208198195] [2022-07-12 16:39:39,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:39:39,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:39:39,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:39:39,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:39:39,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:39:39,782 INFO L87 Difference]: Start difference. First operand 2907 states and 4154 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) [2022-07-12 16:39:43,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:39:43,226 INFO L93 Difference]: Finished difference Result 5830 states and 8410 transitions. [2022-07-12 16:39:43,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 16:39:43,227 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 [2022-07-12 16:39:43,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:39:43,239 INFO L225 Difference]: With dead ends: 5830 [2022-07-12 16:39:43,240 INFO L226 Difference]: Without dead ends: 2942 [2022-07-12 16:39:43,250 INFO L412 NwaCegarLoop]: 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 [2022-07-12 16:39:43,251 INFO L413 NwaCegarLoop]: 3917 mSDtfsCounter, 6064 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 2887 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6064 SdHoareTripleChecker+Valid, 7957 SdHoareTripleChecker+Invalid, 6857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:39:43,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6064 Valid, 7957 Invalid, 6857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2887 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-12 16:39:43,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2942 states. [2022-07-12 16:39:43,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2942 to 2907. [2022-07-12 16:39:43,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2024 states have (on average 1.3305335968379446) internal successors, (2693), 2104 states have internal predecessors, (2693), 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) [2022-07-12 16:39:43,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4153 transitions. [2022-07-12 16:39:43,342 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4153 transitions. Word has length 161 [2022-07-12 16:39:43,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:39:43,342 INFO L495 AbstractCegarLoop]: Abstraction has 2907 states and 4153 transitions. [2022-07-12 16:39:43,342 INFO L496 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) [2022-07-12 16:39:43,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4153 transitions. [2022-07-12 16:39:43,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-07-12 16:39:43,345 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:39:43,346 INFO L195 NwaCegarLoop]: 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] [2022-07-12 16:39:43,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 16:39:43,346 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:39:43,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:39:43,346 INFO L85 PathProgramCache]: Analyzing trace with hash -864507016, now seen corresponding path program 1 times [2022-07-12 16:39:43,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:39:43,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441781238] [2022-07-12 16:39:43,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:39:43,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:39:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:39:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:39:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 16:39:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:39:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 16:39:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 16:39:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 16:39:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:39:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 16:39:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:39:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 16:39:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:39:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 16:39:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 16:39:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:43,657 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-12 16:39:43,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:39:43,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441781238] [2022-07-12 16:39:43,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441781238] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:39:43,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:39:43,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:39:43,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996052898] [2022-07-12 16:39:43,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:39:43,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:39:43,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:39:43,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:39:43,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:39:43,664 INFO L87 Difference]: Start difference. First operand 2907 states and 4153 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) [2022-07-12 16:39:53,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:39:53,659 INFO L93 Difference]: Finished difference Result 10572 states and 15160 transitions. [2022-07-12 16:39:53,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 16:39:53,660 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 [2022-07-12 16:39:53,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:39:53,771 INFO L225 Difference]: With dead ends: 10572 [2022-07-12 16:39:53,771 INFO L226 Difference]: Without dead ends: 7684 [2022-07-12 16:39:53,784 INFO L412 NwaCegarLoop]: 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 [2022-07-12 16:39:53,785 INFO L413 NwaCegarLoop]: 7139 mSDtfsCounter, 12715 mSDsluCounter, 8603 mSDsCounter, 0 mSdLazyCounter, 7993 mSolverCounterSat, 6017 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13538 SdHoareTripleChecker+Valid, 15742 SdHoareTripleChecker+Invalid, 14010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6017 IncrementalHoareTripleChecker+Valid, 7993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:39:53,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13538 Valid, 15742 Invalid, 14010 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6017 Valid, 7993 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2022-07-12 16:39:53,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7684 states. [2022-07-12 16:39:54,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7684 to 7613. [2022-07-12 16:39:54,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7613 states, 5341 states have (on average 1.3207264557199025) internal successors, (7054), 5551 states have internal predecessors, (7054), 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) [2022-07-12 16:39:54,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7613 states to 7613 states and 10863 transitions. [2022-07-12 16:39:54,255 INFO L78 Accepts]: Start accepts. Automaton has 7613 states and 10863 transitions. Word has length 162 [2022-07-12 16:39:54,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:39:54,257 INFO L495 AbstractCegarLoop]: Abstraction has 7613 states and 10863 transitions. [2022-07-12 16:39:54,258 INFO L496 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) [2022-07-12 16:39:54,258 INFO L276 IsEmpty]: Start isEmpty. Operand 7613 states and 10863 transitions. [2022-07-12 16:39:54,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-12 16:39:54,261 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:39:54,261 INFO L195 NwaCegarLoop]: 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] [2022-07-12 16:39:54,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 16:39:54,261 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:39:54,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:39:54,262 INFO L85 PathProgramCache]: Analyzing trace with hash 918773526, now seen corresponding path program 1 times [2022-07-12 16:39:54,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:39:54,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37105417] [2022-07-12 16:39:54,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:39:54,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:39:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:39:54,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:39:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 16:39:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:39:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 16:39:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 16:39:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 16:39:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:54,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:39:54,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 16:39:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:39:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 16:39:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:39:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 16:39:54,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 16:39:54,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:54,620 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-12 16:39:54,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:39:54,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37105417] [2022-07-12 16:39:54,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37105417] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:39:54,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:39:54,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:39:54,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105808786] [2022-07-12 16:39:54,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:39:54,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:39:54,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:39:54,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:39:54,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:39:54,622 INFO L87 Difference]: Start difference. First operand 7613 states and 10863 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) [2022-07-12 16:39:59,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:39:59,057 INFO L93 Difference]: Finished difference Result 15271 states and 22014 transitions. [2022-07-12 16:39:59,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 16:39:59,058 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 [2022-07-12 16:39:59,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:39:59,092 INFO L225 Difference]: With dead ends: 15271 [2022-07-12 16:39:59,092 INFO L226 Difference]: Without dead ends: 7677 [2022-07-12 16:39:59,122 INFO L412 NwaCegarLoop]: 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 [2022-07-12 16:39:59,123 INFO L413 NwaCegarLoop]: 3917 mSDtfsCounter, 6059 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2887 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6059 SdHoareTripleChecker+Valid, 7958 SdHoareTripleChecker+Invalid, 6855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:39:59,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6059 Valid, 7958 Invalid, 6855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2887 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-12 16:39:59,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7677 states. [2022-07-12 16:39:59,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7677 to 7613. [2022-07-12 16:39:59,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7613 states, 5341 states have (on average 1.3201647631529676) internal successors, (7051), 5551 states have internal predecessors, (7051), 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) [2022-07-12 16:39:59,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7613 states to 7613 states and 10860 transitions. [2022-07-12 16:39:59,478 INFO L78 Accepts]: Start accepts. Automaton has 7613 states and 10860 transitions. Word has length 163 [2022-07-12 16:39:59,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:39:59,479 INFO L495 AbstractCegarLoop]: Abstraction has 7613 states and 10860 transitions. [2022-07-12 16:39:59,480 INFO L496 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) [2022-07-12 16:39:59,480 INFO L276 IsEmpty]: Start isEmpty. Operand 7613 states and 10860 transitions. [2022-07-12 16:39:59,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-07-12 16:39:59,483 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:39:59,483 INFO L195 NwaCegarLoop]: 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] [2022-07-12 16:39:59,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 16:39:59,484 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:39:59,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:39:59,484 INFO L85 PathProgramCache]: Analyzing trace with hash 480412084, now seen corresponding path program 1 times [2022-07-12 16:39:59,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:39:59,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003689233] [2022-07-12 16:39:59,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:39:59,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:39:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:39:59,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:39:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 16:39:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:39:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 16:39:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 16:39:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 16:39:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:39:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 16:39:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:39:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:39:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:39:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:39:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 16:39:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:39:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 16:39:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 16:39:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:39:59,880 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-12 16:39:59,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:39:59,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003689233] [2022-07-12 16:39:59,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003689233] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:39:59,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:39:59,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:39:59,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290876810] [2022-07-12 16:39:59,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:39:59,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:39:59,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:39:59,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:39:59,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:39:59,883 INFO L87 Difference]: Start difference. First operand 7613 states and 10860 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) [2022-07-12 16:40:09,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:40:09,332 INFO L93 Difference]: Finished difference Result 30023 states and 43587 transitions. [2022-07-12 16:40:09,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 16:40:09,333 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 164 [2022-07-12 16:40:09,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:40:09,483 INFO L225 Difference]: With dead ends: 30023 [2022-07-12 16:40:09,483 INFO L226 Difference]: Without dead ends: 22429 [2022-07-12 16:40:09,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-12 16:40:09,520 INFO L413 NwaCegarLoop]: 8534 mSDtfsCounter, 13079 mSDsluCounter, 9904 mSDsCounter, 0 mSdLazyCounter, 8941 mSolverCounterSat, 5932 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13956 SdHoareTripleChecker+Valid, 18438 SdHoareTripleChecker+Invalid, 14873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5932 IncrementalHoareTripleChecker+Valid, 8941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:40:09,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13956 Valid, 18438 Invalid, 14873 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5932 Valid, 8941 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-07-12 16:40:09,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22429 states. [2022-07-12 16:40:10,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22429 to 22251. [2022-07-12 16:40:10,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22251 states, 15643 states have (on average 1.3167550981269578) internal successors, (20598), 16265 states have internal predecessors, (20598), 5389 states have call successors, (5389), 1246 states have call predecessors, (5389), 1218 states have return successors, (6268), 5179 states have call predecessors, (6268), 5389 states have call successors, (6268) [2022-07-12 16:40:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32255 transitions. [2022-07-12 16:40:10,636 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32255 transitions. Word has length 164 [2022-07-12 16:40:10,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:40:10,637 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32255 transitions. [2022-07-12 16:40:10,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-07-12 16:40:10,637 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32255 transitions. [2022-07-12 16:40:10,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-12 16:40:10,641 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:40:10,641 INFO L195 NwaCegarLoop]: 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, 1] [2022-07-12 16:40:10,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 16:40:10,642 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:40:10,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:40:10,642 INFO L85 PathProgramCache]: Analyzing trace with hash -109374126, now seen corresponding path program 1 times [2022-07-12 16:40:10,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:40:10,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814369211] [2022-07-12 16:40:10,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:40:10,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:40:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:40:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:40:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 16:40:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:40:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 16:40:10,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 16:40:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 16:40:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:40:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:40:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:40:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 16:40:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:40:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:40:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:40:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 16:40:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:40:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 16:40:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 16:40:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:10,935 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-12 16:40:10,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:40:10,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814369211] [2022-07-12 16:40:10,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814369211] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:40:10,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:40:10,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:40:10,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035910116] [2022-07-12 16:40:10,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:40:10,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:40:10,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:40:10,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:40:10,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:40:10,938 INFO L87 Difference]: Start difference. First operand 22251 states and 32255 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 5 states have internal predecessors, (85), 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) [2022-07-12 16:40:15,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:40:15,857 INFO L93 Difference]: Finished difference Result 44651 states and 65788 transitions. [2022-07-12 16:40:15,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 16:40:15,858 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 5 states have internal predecessors, (85), 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 165 [2022-07-12 16:40:15,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:40:15,951 INFO L225 Difference]: With dead ends: 44651 [2022-07-12 16:40:15,951 INFO L226 Difference]: Without dead ends: 22419 [2022-07-12 16:40:16,058 INFO L412 NwaCegarLoop]: 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 [2022-07-12 16:40:16,059 INFO L413 NwaCegarLoop]: 3916 mSDtfsCounter, 6054 mSDsluCounter, 4041 mSDsCounter, 0 mSdLazyCounter, 2886 mSolverCounterSat, 3968 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6054 SdHoareTripleChecker+Valid, 7957 SdHoareTripleChecker+Invalid, 6854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3968 IncrementalHoareTripleChecker+Valid, 2886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:40:16,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6054 Valid, 7957 Invalid, 6854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3968 Valid, 2886 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-12 16:40:16,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22419 states. [2022-07-12 16:40:17,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22419 to 22251. [2022-07-12 16:40:17,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22251 states, 15643 states have (on average 1.3161797609154253) internal successors, (20589), 16265 states have internal predecessors, (20589), 5389 states have call successors, (5389), 1246 states have call predecessors, (5389), 1218 states have return successors, (6268), 5179 states have call predecessors, (6268), 5389 states have call successors, (6268) [2022-07-12 16:40:17,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32246 transitions. [2022-07-12 16:40:17,272 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32246 transitions. Word has length 165 [2022-07-12 16:40:17,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:40:17,272 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32246 transitions. [2022-07-12 16:40:17,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 5 states have internal predecessors, (85), 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) [2022-07-12 16:40:17,273 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32246 transitions. [2022-07-12 16:40:17,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-12 16:40:17,276 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:40:17,276 INFO L195 NwaCegarLoop]: 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, 1, 1] [2022-07-12 16:40:17,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 16:40:17,276 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:40:17,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:40:17,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1098360848, now seen corresponding path program 1 times [2022-07-12 16:40:17,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:40:17,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2594275] [2022-07-12 16:40:17,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:40:17,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:40:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:40:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:40:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 16:40:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:40:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 16:40:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 16:40:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 16:40:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:40:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:40:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:40:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 16:40:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:40:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:40:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:40:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 16:40:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:40:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 16:40:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 16:40:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:17,547 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-12 16:40:17,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:40:17,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2594275] [2022-07-12 16:40:17,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2594275] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:40:17,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:40:17,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:40:17,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960969423] [2022-07-12 16:40:17,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:40:17,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:40:17,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:40:17,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:40:17,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:40:17,549 INFO L87 Difference]: Start difference. First operand 22251 states and 32246 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 5 states have internal predecessors, (86), 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) [2022-07-12 16:40:22,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:40:22,169 INFO L93 Difference]: Finished difference Result 44651 states and 65770 transitions. [2022-07-12 16:40:22,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 16:40:22,170 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 5 states have internal predecessors, (86), 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 166 [2022-07-12 16:40:22,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:40:22,267 INFO L225 Difference]: With dead ends: 44651 [2022-07-12 16:40:22,267 INFO L226 Difference]: Without dead ends: 22419 [2022-07-12 16:40:22,479 INFO L412 NwaCegarLoop]: 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 [2022-07-12 16:40:22,480 INFO L413 NwaCegarLoop]: 3914 mSDtfsCounter, 6050 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 2884 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6050 SdHoareTripleChecker+Valid, 7954 SdHoareTripleChecker+Invalid, 6854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-12 16:40:22,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6050 Valid, 7954 Invalid, 6854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2884 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-12 16:40:22,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22419 states. [2022-07-12 16:40:23,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22419 to 22251. [2022-07-12 16:40:23,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22251 states, 15643 states have (on average 1.315604423703893) internal successors, (20580), 16265 states have internal predecessors, (20580), 5389 states have call successors, (5389), 1246 states have call predecessors, (5389), 1218 states have return successors, (6268), 5179 states have call predecessors, (6268), 5389 states have call successors, (6268) [2022-07-12 16:40:23,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32237 transitions. [2022-07-12 16:40:23,493 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32237 transitions. Word has length 166 [2022-07-12 16:40:23,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:40:23,494 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32237 transitions. [2022-07-12 16:40:23,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 5 states have internal predecessors, (86), 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) [2022-07-12 16:40:23,495 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32237 transitions. [2022-07-12 16:40:23,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-12 16:40:23,502 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:40:23,502 INFO L195 NwaCegarLoop]: 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, 1, 1, 1] [2022-07-12 16:40:23,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 16:40:23,502 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:40:23,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:40:23,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1577661554, now seen corresponding path program 1 times [2022-07-12 16:40:23,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:40:23,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414787455] [2022-07-12 16:40:23,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:40:23,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:40:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:40:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:40:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 16:40:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:40:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 16:40:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 16:40:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 16:40:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:40:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:40:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:40:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 16:40:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:40:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:40:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:40:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 16:40:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:40:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 16:40:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 16:40:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:23,802 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-12 16:40:23,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:40:23,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414787455] [2022-07-12 16:40:23,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414787455] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:40:23,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:40:23,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:40:23,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918433668] [2022-07-12 16:40:23,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:40:23,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:40:23,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:40:23,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:40:23,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:40:23,805 INFO L87 Difference]: Start difference. First operand 22251 states and 32237 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 5 states have internal predecessors, (87), 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) [2022-07-12 16:40:28,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:40:28,244 INFO L93 Difference]: Finished difference Result 44651 states and 65752 transitions. [2022-07-12 16:40:28,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 16:40:28,245 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 5 states have internal predecessors, (87), 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 167 [2022-07-12 16:40:28,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:40:28,375 INFO L225 Difference]: With dead ends: 44651 [2022-07-12 16:40:28,391 INFO L226 Difference]: Without dead ends: 22419 [2022-07-12 16:40:28,501 INFO L412 NwaCegarLoop]: 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 [2022-07-12 16:40:28,503 INFO L413 NwaCegarLoop]: 3913 mSDtfsCounter, 6046 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 2883 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6046 SdHoareTripleChecker+Valid, 7953 SdHoareTripleChecker+Invalid, 6853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-12 16:40:28,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6046 Valid, 7953 Invalid, 6853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2883 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-12 16:40:28,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22419 states. [2022-07-12 16:40:29,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22419 to 22251. [2022-07-12 16:40:29,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22251 states, 15643 states have (on average 1.3150290864923608) internal successors, (20571), 16265 states have internal predecessors, (20571), 5389 states have call successors, (5389), 1246 states have call predecessors, (5389), 1218 states have return successors, (6268), 5179 states have call predecessors, (6268), 5389 states have call successors, (6268) [2022-07-12 16:40:29,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32228 transitions. [2022-07-12 16:40:29,752 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32228 transitions. Word has length 167 [2022-07-12 16:40:29,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:40:29,753 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32228 transitions. [2022-07-12 16:40:29,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 5 states have internal predecessors, (87), 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) [2022-07-12 16:40:29,754 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32228 transitions. [2022-07-12 16:40:29,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-07-12 16:40:29,758 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:40:29,758 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1] [2022-07-12 16:40:29,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 16:40:29,759 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:40:29,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:40:29,759 INFO L85 PathProgramCache]: Analyzing trace with hash 858402348, now seen corresponding path program 1 times [2022-07-12 16:40:29,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:40:29,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482640864] [2022-07-12 16:40:29,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:40:29,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:40:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:29,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:40:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:40:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 16:40:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:40:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 16:40:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 16:40:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 16:40:30,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:40:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:40:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:40:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 16:40:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:40:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:40:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:40:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 16:40:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:40:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 16:40:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 16:40:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:30,113 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-12 16:40:30,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:40:30,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482640864] [2022-07-12 16:40:30,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482640864] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:40:30,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:40:30,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:40:30,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998208708] [2022-07-12 16:40:30,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:40:30,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:40:30,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:40:30,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:40:30,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:40:30,116 INFO L87 Difference]: Start difference. First operand 22251 states and 32228 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 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) [2022-07-12 16:40:34,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:40:34,583 INFO L93 Difference]: Finished difference Result 44651 states and 65734 transitions. [2022-07-12 16:40:34,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 16:40:34,584 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 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 168 [2022-07-12 16:40:34,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:40:34,674 INFO L225 Difference]: With dead ends: 44651 [2022-07-12 16:40:34,674 INFO L226 Difference]: Without dead ends: 22419 [2022-07-12 16:40:34,773 INFO L412 NwaCegarLoop]: 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 [2022-07-12 16:40:34,776 INFO L413 NwaCegarLoop]: 3912 mSDtfsCounter, 6042 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 2882 mSolverCounterSat, 3970 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6042 SdHoareTripleChecker+Valid, 7952 SdHoareTripleChecker+Invalid, 6852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3970 IncrementalHoareTripleChecker+Valid, 2882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:40:34,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6042 Valid, 7952 Invalid, 6852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3970 Valid, 2882 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-12 16:40:34,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22419 states. [2022-07-12 16:40:35,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22419 to 22251. [2022-07-12 16:40:35,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22251 states, 15643 states have (on average 1.3144537492808286) internal successors, (20562), 16265 states have internal predecessors, (20562), 5389 states have call successors, (5389), 1246 states have call predecessors, (5389), 1218 states have return successors, (6268), 5179 states have call predecessors, (6268), 5389 states have call successors, (6268) [2022-07-12 16:40:35,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22251 states to 22251 states and 32219 transitions. [2022-07-12 16:40:35,881 INFO L78 Accepts]: Start accepts. Automaton has 22251 states and 32219 transitions. Word has length 168 [2022-07-12 16:40:35,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:40:35,882 INFO L495 AbstractCegarLoop]: Abstraction has 22251 states and 32219 transitions. [2022-07-12 16:40:35,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 5 states have internal predecessors, (88), 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) [2022-07-12 16:40:35,882 INFO L276 IsEmpty]: Start isEmpty. Operand 22251 states and 32219 transitions. [2022-07-12 16:40:35,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-07-12 16:40:35,886 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:40:35,886 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1] [2022-07-12 16:40:35,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 16:40:35,887 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:40:35,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:40:35,887 INFO L85 PathProgramCache]: Analyzing trace with hash -818511414, now seen corresponding path program 1 times [2022-07-12 16:40:35,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:40:35,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297735554] [2022-07-12 16:40:35,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:40:35,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:40:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:40:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:40:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 16:40:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:40:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 16:40:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 16:40:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 16:40:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:40:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:40:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:40:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 16:40:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:40:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:40:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:40:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 16:40:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:40:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 16:40:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 16:40:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-12 16:40:36,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:40:36,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297735554] [2022-07-12 16:40:36,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297735554] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:40:36,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:40:36,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:40:36,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109147570] [2022-07-12 16:40:36,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:40:36,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:40:36,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:40:36,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:40:36,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:40:36,253 INFO L87 Difference]: Start difference. First operand 22251 states and 32219 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 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) [2022-07-12 16:40:47,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:40:47,140 INFO L93 Difference]: Finished difference Result 65202 states and 96486 transitions. [2022-07-12 16:40:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 16:40:47,141 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 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 169 [2022-07-12 16:40:47,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:40:47,326 INFO L225 Difference]: With dead ends: 65202 [2022-07-12 16:40:47,326 INFO L226 Difference]: Without dead ends: 42970 [2022-07-12 16:40:47,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-12 16:40:47,426 INFO L413 NwaCegarLoop]: 6882 mSDtfsCounter, 10194 mSDsluCounter, 8801 mSDsCounter, 0 mSdLazyCounter, 7745 mSolverCounterSat, 4621 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10902 SdHoareTripleChecker+Valid, 15683 SdHoareTripleChecker+Invalid, 12366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4621 IncrementalHoareTripleChecker+Valid, 7745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:40:47,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10902 Valid, 15683 Invalid, 12366 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4621 Valid, 7745 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2022-07-12 16:40:47,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42970 states. [2022-07-12 16:40:49,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42970 to 42621. [2022-07-12 16:40:49,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42621 states, 30179 states have (on average 1.3048146061831074) internal successors, (39378), 31353 states have internal predecessors, (39378), 9941 states have call successors, (9941), 2674 states have call predecessors, (9941), 2500 states have return successors, (14010), 9328 states have call predecessors, (14010), 9941 states have call successors, (14010) [2022-07-12 16:40:49,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42621 states to 42621 states and 63329 transitions. [2022-07-12 16:40:49,787 INFO L78 Accepts]: Start accepts. Automaton has 42621 states and 63329 transitions. Word has length 169 [2022-07-12 16:40:49,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:40:49,787 INFO L495 AbstractCegarLoop]: Abstraction has 42621 states and 63329 transitions. [2022-07-12 16:40:49,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 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) [2022-07-12 16:40:49,788 INFO L276 IsEmpty]: Start isEmpty. Operand 42621 states and 63329 transitions. [2022-07-12 16:40:49,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-07-12 16:40:49,791 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:40:49,791 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1] [2022-07-12 16:40:49,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 16:40:49,791 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:40:49,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:40:49,791 INFO L85 PathProgramCache]: Analyzing trace with hash -789882263, now seen corresponding path program 1 times [2022-07-12 16:40:49,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:40:49,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275811978] [2022-07-12 16:40:49,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:40:49,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:40:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:40:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:40:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 16:40:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:40:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 16:40:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 16:40:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 16:40:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:40:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:40:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:40:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 16:40:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:50,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:40:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:40:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:40:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 16:40:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:40:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 16:40:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 16:40:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:50,225 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-12 16:40:50,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:40:50,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275811978] [2022-07-12 16:40:50,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275811978] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:40:50,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:40:50,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:40:50,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760602307] [2022-07-12 16:40:50,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:40:50,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:40:50,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:40:50,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:40:50,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:40:50,228 INFO L87 Difference]: Start difference. First operand 42621 states and 63329 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-12 16:40:55,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:40:55,813 INFO L93 Difference]: Finished difference Result 43052 states and 64178 transitions. [2022-07-12 16:40:55,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 16:40:55,814 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) Word has length 169 [2022-07-12 16:40:55,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:40:55,967 INFO L225 Difference]: With dead ends: 43052 [2022-07-12 16:40:55,967 INFO L226 Difference]: Without dead ends: 43050 [2022-07-12 16:40:55,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-12 16:40:55,986 INFO L413 NwaCegarLoop]: 3932 mSDtfsCounter, 725 mSDsluCounter, 10085 mSDsCounter, 0 mSdLazyCounter, 5134 mSolverCounterSat, 739 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 926 SdHoareTripleChecker+Valid, 14017 SdHoareTripleChecker+Invalid, 5873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 739 IncrementalHoareTripleChecker+Valid, 5134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-12 16:40:55,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [926 Valid, 14017 Invalid, 5873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [739 Valid, 5134 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-07-12 16:40:56,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43050 states. [2022-07-12 16:40:58,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43050 to 42711. [2022-07-12 16:40:58,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42711 states, 30239 states have (on average 1.3040113760375673) internal successors, (39432), 31428 states have internal predecessors, (39432), 9941 states have call successors, (9941), 2674 states have call predecessors, (9941), 2530 states have return successors, (14062), 9343 states have call predecessors, (14062), 9941 states have call successors, (14062) [2022-07-12 16:40:58,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42711 states to 42711 states and 63435 transitions. [2022-07-12 16:40:58,510 INFO L78 Accepts]: Start accepts. Automaton has 42711 states and 63435 transitions. Word has length 169 [2022-07-12 16:40:58,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:40:58,511 INFO L495 AbstractCegarLoop]: Abstraction has 42711 states and 63435 transitions. [2022-07-12 16:40:58,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-12 16:40:58,511 INFO L276 IsEmpty]: Start isEmpty. Operand 42711 states and 63435 transitions. [2022-07-12 16:40:58,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-12 16:40:58,519 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:40:58,519 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:40:58,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-12 16:40:58,520 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:40:58,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:40:58,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1341095956, now seen corresponding path program 1 times [2022-07-12 16:40:58,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:40:58,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822133199] [2022-07-12 16:40:58,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:40:58,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:40:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:40:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:40:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 16:40:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:40:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:40:59,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 16:40:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:40:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:40:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 16:40:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:40:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:40:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:40:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 16:40:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 16:40:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 16:40:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 16:40:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 16:40:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:40:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-12 16:40:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 16:40:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 16:40:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-12 16:40:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 16:40:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 16:40:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:40:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:40:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:40:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:40:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 16:40:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-12 16:40:59,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 16:40:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 16:40:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:40:59,987 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-12 16:40:59,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:40:59,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822133199] [2022-07-12 16:40:59,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822133199] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:40:59,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:40:59,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 16:40:59,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505311754] [2022-07-12 16:40:59,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:40:59,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 16:40:59,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:40:59,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 16:40:59,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:40:59,991 INFO L87 Difference]: Start difference. First operand 42711 states and 63435 transitions. Second operand has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 4 states have internal predecessors, (125), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-12 16:41:07,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:41:07,764 INFO L93 Difference]: Finished difference Result 76121 states and 115321 transitions. [2022-07-12 16:41:07,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:41:07,765 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 4 states have internal predecessors, (125), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) Word has length 259 [2022-07-12 16:41:07,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:41:07,973 INFO L225 Difference]: With dead ends: 76121 [2022-07-12 16:41:07,973 INFO L226 Difference]: Without dead ends: 45019 [2022-07-12 16:41:08,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-07-12 16:41:08,367 INFO L413 NwaCegarLoop]: 3694 mSDtfsCounter, 2917 mSDsluCounter, 8127 mSDsCounter, 0 mSdLazyCounter, 8949 mSolverCounterSat, 2053 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3249 SdHoareTripleChecker+Valid, 11821 SdHoareTripleChecker+Invalid, 11002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2053 IncrementalHoareTripleChecker+Valid, 8949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:41:08,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3249 Valid, 11821 Invalid, 11002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2053 Valid, 8949 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-12 16:41:08,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45019 states. [2022-07-12 16:41:10,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45019 to 44463. [2022-07-12 16:41:10,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44463 states, 31601 states have (on average 1.3048321255656468) internal successors, (41234), 32862 states have internal predecessors, (41234), 10267 states have call successors, (10267), 2688 states have call predecessors, (10267), 2594 states have return successors, (14591), 9687 states have call predecessors, (14591), 10267 states have call successors, (14591) [2022-07-12 16:41:10,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44463 states to 44463 states and 66092 transitions. [2022-07-12 16:41:10,873 INFO L78 Accepts]: Start accepts. Automaton has 44463 states and 66092 transitions. Word has length 259 [2022-07-12 16:41:10,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:41:10,875 INFO L495 AbstractCegarLoop]: Abstraction has 44463 states and 66092 transitions. [2022-07-12 16:41:10,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 4 states have internal predecessors, (125), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-12 16:41:10,876 INFO L276 IsEmpty]: Start isEmpty. Operand 44463 states and 66092 transitions. [2022-07-12 16:41:10,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-07-12 16:41:10,906 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:41:10,907 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:41:10,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-12 16:41:10,907 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:41:10,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:41:10,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1737197893, now seen corresponding path program 1 times [2022-07-12 16:41:10,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:41:10,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737629058] [2022-07-12 16:41:10,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:41:10,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:41:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:41:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:41:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 16:41:11,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:41:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:41:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 16:41:11,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:41:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:41:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 16:41:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:41:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:41:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:41:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 16:41:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 16:41:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 16:41:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 16:41:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 16:41:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:41:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-12 16:41:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 16:41:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 16:41:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-12 16:41:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 16:41:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 16:41:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:41:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:41:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:41:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 16:41:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-12 16:41:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 16:41:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-12 16:41:11,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:11,272 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-12 16:41:11,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:41:11,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737629058] [2022-07-12 16:41:11,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737629058] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:41:11,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:41:11,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:41:11,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076862300] [2022-07-12 16:41:11,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:41:11,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:41:11,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:41:11,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:41:11,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:41:11,273 INFO L87 Difference]: Start difference. First operand 44463 states and 66092 transitions. Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-12 16:41:18,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:41:18,248 INFO L93 Difference]: Finished difference Result 78347 states and 118829 transitions. [2022-07-12 16:41:18,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 16:41:18,248 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) Word has length 262 [2022-07-12 16:41:18,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:41:18,458 INFO L225 Difference]: With dead ends: 78347 [2022-07-12 16:41:18,459 INFO L226 Difference]: Without dead ends: 45493 [2022-07-12 16:41:18,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:41:18,697 INFO L413 NwaCegarLoop]: 3709 mSDtfsCounter, 3014 mSDsluCounter, 4169 mSDsCounter, 0 mSdLazyCounter, 4314 mSolverCounterSat, 2094 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3331 SdHoareTripleChecker+Valid, 7878 SdHoareTripleChecker+Invalid, 6408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2094 IncrementalHoareTripleChecker+Valid, 4314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:41:18,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3331 Valid, 7878 Invalid, 6408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2094 Valid, 4314 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-12 16:41:18,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45493 states. [2022-07-12 16:41:21,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45493 to 44463. [2022-07-12 16:41:21,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44463 states, 31601 states have (on average 1.3039460776557703) internal successors, (41206), 32862 states have internal predecessors, (41206), 10267 states have call successors, (10267), 2688 states have call predecessors, (10267), 2594 states have return successors, (14591), 9687 states have call predecessors, (14591), 10267 states have call successors, (14591) [2022-07-12 16:41:21,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44463 states to 44463 states and 66064 transitions. [2022-07-12 16:41:21,516 INFO L78 Accepts]: Start accepts. Automaton has 44463 states and 66064 transitions. Word has length 262 [2022-07-12 16:41:21,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:41:21,517 INFO L495 AbstractCegarLoop]: Abstraction has 44463 states and 66064 transitions. [2022-07-12 16:41:21,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-12 16:41:21,517 INFO L276 IsEmpty]: Start isEmpty. Operand 44463 states and 66064 transitions. [2022-07-12 16:41:21,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-07-12 16:41:21,524 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:41:21,524 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:41:21,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-12 16:41:21,524 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:41:21,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:41:21,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1605238265, now seen corresponding path program 1 times [2022-07-12 16:41:21,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:41:21,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392914634] [2022-07-12 16:41:21,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:41:21,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:41:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:41:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:41:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 16:41:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:41:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:41:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 16:41:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:41:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:41:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 16:41:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:41:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:41:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:41:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 16:41:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 16:41:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 16:41:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 16:41:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 16:41:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:41:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-12 16:41:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 16:41:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 16:41:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-12 16:41:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 16:41:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 16:41:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:41:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:41:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:41:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 16:41:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-12 16:41:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 16:41:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-12 16:41:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-07-12 16:41:22,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:41:22,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392914634] [2022-07-12 16:41:22,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392914634] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:41:22,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:41:22,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 16:41:22,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14613768] [2022-07-12 16:41:22,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:41:22,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 16:41:22,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:41:22,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 16:41:22,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:41:22,302 INFO L87 Difference]: Start difference. First operand 44463 states and 66064 transitions. Second operand has 7 states, 6 states have (on average 21.666666666666668) internal successors, (130), 4 states have internal predecessors, (130), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-12 16:41:30,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:41:30,352 INFO L93 Difference]: Finished difference Result 77674 states and 116849 transitions. [2022-07-12 16:41:30,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:41:30,352 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.666666666666668) internal successors, (130), 4 states have internal predecessors, (130), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) Word has length 265 [2022-07-12 16:41:30,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:41:30,592 INFO L225 Difference]: With dead ends: 77674 [2022-07-12 16:41:30,592 INFO L226 Difference]: Without dead ends: 44820 [2022-07-12 16:41:30,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-12 16:41:30,844 INFO L413 NwaCegarLoop]: 3661 mSDtfsCounter, 2883 mSDsluCounter, 8042 mSDsCounter, 0 mSdLazyCounter, 8936 mSolverCounterSat, 2045 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3219 SdHoareTripleChecker+Valid, 11703 SdHoareTripleChecker+Invalid, 10981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2045 IncrementalHoareTripleChecker+Valid, 8936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:41:30,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3219 Valid, 11703 Invalid, 10981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2045 Valid, 8936 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-07-12 16:41:30,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44820 states. [2022-07-12 16:41:33,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44820 to 44384. [2022-07-12 16:41:33,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44384 states, 31565 states have (on average 1.303437351496911) internal successors, (41143), 32811 states have internal predecessors, (41143), 10219 states have call successors, (10219), 2702 states have call predecessors, (10219), 2599 states have return successors, (13789), 9633 states have call predecessors, (13789), 10219 states have call successors, (13789) [2022-07-12 16:41:33,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44384 states to 44384 states and 65151 transitions. [2022-07-12 16:41:33,737 INFO L78 Accepts]: Start accepts. Automaton has 44384 states and 65151 transitions. Word has length 265 [2022-07-12 16:41:33,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:41:33,738 INFO L495 AbstractCegarLoop]: Abstraction has 44384 states and 65151 transitions. [2022-07-12 16:41:33,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.666666666666668) internal successors, (130), 4 states have internal predecessors, (130), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (33), 2 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-12 16:41:33,739 INFO L276 IsEmpty]: Start isEmpty. Operand 44384 states and 65151 transitions. [2022-07-12 16:41:33,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2022-07-12 16:41:33,750 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:41:33,751 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:41:33,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-12 16:41:33,751 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:41:33,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:41:33,751 INFO L85 PathProgramCache]: Analyzing trace with hash -425822748, now seen corresponding path program 1 times [2022-07-12 16:41:33,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:41:33,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330108625] [2022-07-12 16:41:33,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:41:33,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:41:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:41:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:41:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 16:41:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 16:41:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 16:41:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 16:41:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 16:41:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:34,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:41:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:41:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-12 16:41:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 16:41:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:41:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:41:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:41:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 16:41:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 16:41:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 16:41:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:41:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 16:41:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 16:41:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:41:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:41:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 16:41:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 16:41:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-12 16:41:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-12 16:41:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 16:41:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-12 16:41:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:41:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:41:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 16:41:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-12 16:41:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 16:41:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:41:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:41:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:41:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:41:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 16:41:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-12 16:41:34,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:41:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:41:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:41:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 16:41:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 16:41:34,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 16:41:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:41:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-12 16:41:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 16:41:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-12 16:41:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-12 16:41:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-12 16:41:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:34,524 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2022-07-12 16:41:34,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:41:34,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330108625] [2022-07-12 16:41:34,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330108625] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 16:41:34,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669556899] [2022-07-12 16:41:34,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:41:34,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 16:41:34,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:41:34,544 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-12 16:41:34,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 16:41:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:41:36,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 7537 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:41:36,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:41:36,408 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-07-12 16:41:36,409 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:41:36,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669556899] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:41:36,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 16:41:36,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2022-07-12 16:41:36,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752284486] [2022-07-12 16:41:36,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:41:36,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:41:36,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:41:36,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:41:36,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-12 16:41:36,411 INFO L87 Difference]: Start difference. First operand 44384 states and 65151 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 2 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (58), 3 states have call predecessors, (58), 2 states have call successors, (58)