./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.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 e184773994bf5ba427e3ad6843df80bcf1aa90cb50c2ace36ee6ac9939c1f916 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:12:34,638 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:12:34,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:12:34,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:12:34,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:12:34,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:12:34,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:12:34,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:12:34,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:12:34,700 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:12:34,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:12:34,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:12:34,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:12:34,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:12:34,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:12:34,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:12:34,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:12:34,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:12:34,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:12:34,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:12:34,718 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:12:34,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:12:34,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:12:34,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:12:34,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:12:34,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:12:34,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:12:34,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:12:34,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:12:34,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:12:34,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:12:34,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:12:34,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:12:34,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:12:34,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:12:34,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:12:34,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:12:34,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:12:34,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:12:34,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:12:34,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:12:34,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:12:34,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:12:34,754 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:12:34,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:12:34,754 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:12:34,755 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:12:34,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:12:34,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:12:34,756 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:12:34,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:12:34,756 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:12:34,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:12:34,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:12:34,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:12:34,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:12:34,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:12:34,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:12:34,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:12:34,758 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:12:34,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:12:34,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:12:34,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:12:34,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:12:34,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:12:34,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:12:34,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:12:34,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:12:34,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:12:34,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:12:34,759 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:12:34,760 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:12:34,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:12:34,760 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e184773994bf5ba427e3ad6843df80bcf1aa90cb50c2ace36ee6ac9939c1f916 [2022-07-21 14:12:35,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:12:35,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:12:35,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:12:35,034 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:12:35,034 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:12:35,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2022-07-21 14:12:35,088 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a0eb56f4/7b5773147b0a43f3a536baf9b79cf589/FLAG05954ea39 [2022-07-21 14:12:35,762 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:12:35,763 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2022-07-21 14:12:35,808 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a0eb56f4/7b5773147b0a43f3a536baf9b79cf589/FLAG05954ea39 [2022-07-21 14:12:35,895 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a0eb56f4/7b5773147b0a43f3a536baf9b79cf589 [2022-07-21 14:12:35,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:12:35,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:12:35,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:12:35,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:12:35,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:12:35,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:12:35" (1/1) ... [2022-07-21 14:12:35,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e217924 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:35, skipping insertion in model container [2022-07-21 14:12:35,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:12:35" (1/1) ... [2022-07-21 14:12:35,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:12:36,047 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:12:38,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2022-07-21 14:12:38,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2022-07-21 14:12:38,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:12:38,188 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:12:38,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340444,340457] [2022-07-21 14:12:38,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i[340589,340602] [2022-07-21 14:12:38,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:12:38,582 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:12:38,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:38 WrapperNode [2022-07-21 14:12:38,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:12:38,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:12:38,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:12:38,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:12:38,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:38" (1/1) ... [2022-07-21 14:12:38,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:38" (1/1) ... [2022-07-21 14:12:38,884 INFO L137 Inliner]: procedures = 430, calls = 2141, calls flagged for inlining = 204, calls inlined = 189, statements flattened = 5063 [2022-07-21 14:12:38,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:12:38,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:12:38,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:12:38,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:12:38,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:38" (1/1) ... [2022-07-21 14:12:38,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:38" (1/1) ... [2022-07-21 14:12:38,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:38" (1/1) ... [2022-07-21 14:12:38,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:38" (1/1) ... [2022-07-21 14:12:39,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:38" (1/1) ... [2022-07-21 14:12:39,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:38" (1/1) ... [2022-07-21 14:12:39,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:38" (1/1) ... [2022-07-21 14:12:39,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:12:39,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:12:39,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:12:39,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:12:39,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:38" (1/1) ... [2022-07-21 14:12:39,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:12:39,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:12:39,182 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) [2022-07-21 14:12:39,189 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 [2022-07-21 14:12:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-21 14:12:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2022-07-21 14:12:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2022-07-21 14:12:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-21 14:12:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-21 14:12:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 14:12:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 14:12:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:12:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:12:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2022-07-21 14:12:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2022-07-21 14:12:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2022-07-21 14:12:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2022-07-21 14:12:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2022-07-21 14:12:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2022-07-21 14:12:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 14:12:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 14:12:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2022-07-21 14:12:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2022-07-21 14:12:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:12:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:12:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 14:12:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 14:12:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2022-07-21 14:12:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2022-07-21 14:12:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2022-07-21 14:12:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2022-07-21 14:12:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 14:12:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 14:12:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2022-07-21 14:12:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2022-07-21 14:12:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-21 14:12:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-21 14:12:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2022-07-21 14:12:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2022-07-21 14:12:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2022-07-21 14:12:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2022-07-21 14:12:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2022-07-21 14:12:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2022-07-21 14:12:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:12:39,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:12:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 14:12:39,216 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 14:12:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 14:12:39,216 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 14:12:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-07-21 14:12:39,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-07-21 14:12:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 14:12:39,217 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 14:12:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:12:39,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:12:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:12:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 14:12:39,218 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 14:12:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2022-07-21 14:12:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2022-07-21 14:12:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 14:12:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 14:12:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 14:12:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 14:12:39,220 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 14:12:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 14:12:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:12:39,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:12:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 14:12:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 14:12:39,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 14:12:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-21 14:12:39,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-21 14:12:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 14:12:39,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 14:12:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 14:12:39,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 14:12:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:12:39,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:12:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 14:12:39,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 14:12:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2022-07-21 14:12:39,222 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2022-07-21 14:12:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2022-07-21 14:12:39,222 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2022-07-21 14:12:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:12:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2022-07-21 14:12:39,223 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2022-07-21 14:12:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-21 14:12:39,223 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-21 14:12:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:12:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2022-07-21 14:12:39,224 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2022-07-21 14:12:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:12:39,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:12:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 14:12:39,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 14:12:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:12:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:12:39,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:12:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 14:12:39,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 14:12:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-21 14:12:39,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-21 14:12:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-21 14:12:39,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-21 14:12:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-21 14:12:39,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-21 14:12:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 14:12:39,226 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 14:12:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 14:12:39,226 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 14:12:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-21 14:12:39,226 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-21 14:12:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 14:12:39,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 14:12:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 14:12:39,227 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 14:12:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2022-07-21 14:12:39,228 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2022-07-21 14:12:39,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:12:39,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:12:39,230 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2022-07-21 14:12:39,230 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2022-07-21 14:12:39,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-21 14:12:39,231 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-21 14:12:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:12:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2022-07-21 14:12:39,232 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2022-07-21 14:12:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:12:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:12:39,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:12:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 14:12:39,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 14:12:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 14:12:39,237 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 14:12:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 14:12:39,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 14:12:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 14:12:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 14:12:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 14:12:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 14:12:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-21 14:12:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-21 14:12:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-21 14:12:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-21 14:12:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-21 14:12:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-21 14:12:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:12:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:12:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-21 14:12:39,239 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-21 14:12:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2022-07-21 14:12:39,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2022-07-21 14:12:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:12:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-21 14:12:39,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-21 14:12:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2022-07-21 14:12:39,240 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2022-07-21 14:12:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 14:12:39,240 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 14:12:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:12:39,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:12:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-21 14:12:39,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-21 14:12:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2022-07-21 14:12:39,240 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2022-07-21 14:12:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2022-07-21 14:12:39,240 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2022-07-21 14:12:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-21 14:12:39,241 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-21 14:12:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 14:12:39,241 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 14:12:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2022-07-21 14:12:39,241 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2022-07-21 14:12:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 14:12:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:12:39,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:12:39,241 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 14:12:39,242 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 14:12:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:12:39,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:12:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-21 14:12:39,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-21 14:12:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-07-21 14:12:39,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-07-21 14:12:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 14:12:39,242 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 14:12:39,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 14:12:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-21 14:12:39,243 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-21 14:12:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:12:39,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:12:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-07-21 14:12:39,243 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-07-21 14:12:39,243 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2022-07-21 14:12:39,243 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2022-07-21 14:12:39,905 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:12:39,907 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:12:40,236 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:12:43,801 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:12:43,819 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:12:43,819 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 14:12:43,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:12:43 BoogieIcfgContainer [2022-07-21 14:12:43,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:12:43,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:12:43,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:12:43,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:12:43,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:12:35" (1/3) ... [2022-07-21 14:12:43,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6c764c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:12:43, skipping insertion in model container [2022-07-21 14:12:43,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:38" (2/3) ... [2022-07-21 14:12:43,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e6c764c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:12:43, skipping insertion in model container [2022-07-21 14:12:43,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:12:43" (3/3) ... [2022-07-21 14:12:43,831 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2022-07-21 14:12:43,845 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:12:43,846 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 14:12:43,908 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:12:43,913 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@6aa0dc1c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5c5eebd1 [2022-07-21 14:12:43,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 14:12:43,921 INFO L276 IsEmpty]: Start isEmpty. Operand has 1964 states, 1342 states have (on average 1.3487332339791356) internal successors, (1810), 1389 states have internal predecessors, (1810), 533 states have call successors, (533), 88 states have call predecessors, (533), 87 states have return successors, (529), 515 states have call predecessors, (529), 529 states have call successors, (529) [2022-07-21 14:12:43,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-21 14:12:43,935 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:12:43,936 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 14:12:43,937 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:12:43,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:12:43,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1416901098, now seen corresponding path program 1 times [2022-07-21 14:12:43,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:12:43,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622456852] [2022-07-21 14:12:43,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:12:43,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:12:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:44,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:12:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:44,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:12:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:44,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:12:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:44,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:12:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:44,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:12:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:44,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:12:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:44,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:12:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:44,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:12:44,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:44,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:12:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:44,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:12:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:44,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:12:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:44,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:12:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:44,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:12:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:44,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:12:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:44,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:12:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:44,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:12:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:44,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:12:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:44,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:12:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:44,514 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-21 14:12:44,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:12:44,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622456852] [2022-07-21 14:12:44,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622456852] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:12:44,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:12:44,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:12:44,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114435496] [2022-07-21 14:12:44,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:12:44,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:12:44,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:12:44,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:12:44,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:12:44,543 INFO L87 Difference]: Start difference. First operand has 1964 states, 1342 states have (on average 1.3487332339791356) internal successors, (1810), 1389 states have internal predecessors, (1810), 533 states have call successors, (533), 88 states have call predecessors, (533), 87 states have return successors, (529), 515 states have call predecessors, (529), 529 states have call successors, (529) Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:12:48,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:12:48,098 INFO L93 Difference]: Finished difference Result 4023 states and 6010 transitions. [2022-07-21 14:12:48,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:12:48,101 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 120 [2022-07-21 14:12:48,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:12:48,123 INFO L225 Difference]: With dead ends: 4023 [2022-07-21 14:12:48,123 INFO L226 Difference]: Without dead ends: 1934 [2022-07-21 14:12:48,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:12:48,144 INFO L413 NwaCegarLoop]: 2466 mSDtfsCounter, 1255 mSDsluCounter, 1821 mSDsCounter, 0 mSdLazyCounter, 1604 mSolverCounterSat, 1464 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1356 SdHoareTripleChecker+Valid, 4287 SdHoareTripleChecker+Invalid, 3068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1464 IncrementalHoareTripleChecker+Valid, 1604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:12:48,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1356 Valid, 4287 Invalid, 3068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1464 Valid, 1604 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-21 14:12:48,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-07-21 14:12:48,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1809. [2022-07-21 14:12:48,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1242 states have (on average 1.2826086956521738) internal successors, (1593), 1286 states have internal predecessors, (1593), 481 states have call successors, (481), 85 states have call predecessors, (481), 85 states have return successors, (480), 466 states have call predecessors, (480), 480 states have call successors, (480) [2022-07-21 14:12:48,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2554 transitions. [2022-07-21 14:12:48,343 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2554 transitions. Word has length 120 [2022-07-21 14:12:48,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:12:48,344 INFO L495 AbstractCegarLoop]: Abstraction has 1809 states and 2554 transitions. [2022-07-21 14:12:48,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:12:48,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2554 transitions. [2022-07-21 14:12:48,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-21 14:12:48,347 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:12:48,347 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 14:12:48,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 14:12:48,348 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:12:48,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:12:48,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1833459386, now seen corresponding path program 1 times [2022-07-21 14:12:48,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:12:48,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039025348] [2022-07-21 14:12:48,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:12:48,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:12:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:48,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:12:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:48,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:12:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:48,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:12:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:48,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:12:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:48,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:12:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:48,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:12:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:48,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:12:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:48,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:12:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:48,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:12:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:48,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:12:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:48,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:12:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:48,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:12:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:48,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:12:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:48,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:12:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:48,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:12:48,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:48,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:12:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:48,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:12:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:48,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 14:12:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:48,772 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-21 14:12:48,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:12:48,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039025348] [2022-07-21 14:12:48,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039025348] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:12:48,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:12:48,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 14:12:48,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342828551] [2022-07-21 14:12:48,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:12:48,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 14:12:48,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:12:48,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 14:12:48,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 14:12:48,777 INFO L87 Difference]: Start difference. First operand 1809 states and 2554 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:12:52,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:12:52,566 INFO L93 Difference]: Finished difference Result 3723 states and 5283 transitions. [2022-07-21 14:12:52,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:12:52,567 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 121 [2022-07-21 14:12:52,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:12:52,580 INFO L225 Difference]: With dead ends: 3723 [2022-07-21 14:12:52,580 INFO L226 Difference]: Without dead ends: 1934 [2022-07-21 14:12:52,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:12:52,591 INFO L413 NwaCegarLoop]: 2247 mSDtfsCounter, 3125 mSDsluCounter, 2610 mSDsCounter, 0 mSdLazyCounter, 3087 mSolverCounterSat, 1935 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3399 SdHoareTripleChecker+Valid, 4857 SdHoareTripleChecker+Invalid, 5022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1935 IncrementalHoareTripleChecker+Valid, 3087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:12:52,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3399 Valid, 4857 Invalid, 5022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1935 Valid, 3087 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-21 14:12:52,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-07-21 14:12:52,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1809. [2022-07-21 14:12:52,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1242 states have (on average 1.2818035426731078) internal successors, (1592), 1286 states have internal predecessors, (1592), 481 states have call successors, (481), 85 states have call predecessors, (481), 85 states have return successors, (480), 466 states have call predecessors, (480), 480 states have call successors, (480) [2022-07-21 14:12:52,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2553 transitions. [2022-07-21 14:12:52,655 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2553 transitions. Word has length 121 [2022-07-21 14:12:52,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:12:52,656 INFO L495 AbstractCegarLoop]: Abstraction has 1809 states and 2553 transitions. [2022-07-21 14:12:52,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:12:52,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2553 transitions. [2022-07-21 14:12:52,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-21 14:12:52,657 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:12:52,657 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 14:12:52,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 14:12:52,658 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:12:52,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:12:52,658 INFO L85 PathProgramCache]: Analyzing trace with hash 769657438, now seen corresponding path program 1 times [2022-07-21 14:12:52,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:12:52,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011594361] [2022-07-21 14:12:52,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:12:52,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:12:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:52,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:12:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:52,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:12:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:52,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:12:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:52,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:12:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:52,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:12:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:52,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:12:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:52,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:12:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:52,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:12:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:52,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:12:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:52,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:12:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:52,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:12:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:52,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:12:52,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:52,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:12:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:52,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:12:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:52,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:12:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:52,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:12:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:52,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:12:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:52,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 14:12:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:52,970 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-21 14:12:52,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:12:52,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011594361] [2022-07-21 14:12:52,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011594361] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:12:52,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:12:52,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:12:52,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637410114] [2022-07-21 14:12:52,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:12:52,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:12:52,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:12:52,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:12:52,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:12:52,972 INFO L87 Difference]: Start difference. First operand 1809 states and 2553 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:12:57,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:12:57,627 INFO L93 Difference]: Finished difference Result 3723 states and 5281 transitions. [2022-07-21 14:12:57,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:12:57,629 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 122 [2022-07-21 14:12:57,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:12:57,640 INFO L225 Difference]: With dead ends: 3723 [2022-07-21 14:12:57,641 INFO L226 Difference]: Without dead ends: 1934 [2022-07-21 14:12:57,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-21 14:12:57,652 INFO L413 NwaCegarLoop]: 2247 mSDtfsCounter, 4487 mSDsluCounter, 2612 mSDsCounter, 0 mSdLazyCounter, 3088 mSolverCounterSat, 3575 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4487 SdHoareTripleChecker+Valid, 4859 SdHoareTripleChecker+Invalid, 6663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3575 IncrementalHoareTripleChecker+Valid, 3088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:12:57,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4487 Valid, 4859 Invalid, 6663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3575 Valid, 3088 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-21 14:12:57,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-07-21 14:12:57,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1809. [2022-07-21 14:12:57,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1242 states have (on average 1.2809983896940418) internal successors, (1591), 1286 states have internal predecessors, (1591), 481 states have call successors, (481), 85 states have call predecessors, (481), 85 states have return successors, (480), 466 states have call predecessors, (480), 480 states have call successors, (480) [2022-07-21 14:12:57,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2552 transitions. [2022-07-21 14:12:57,740 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2552 transitions. Word has length 122 [2022-07-21 14:12:57,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:12:57,741 INFO L495 AbstractCegarLoop]: Abstraction has 1809 states and 2552 transitions. [2022-07-21 14:12:57,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:12:57,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2552 transitions. [2022-07-21 14:12:57,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-21 14:12:57,743 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:12:57,743 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 14:12:57,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 14:12:57,743 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:12:57,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:12:57,744 INFO L85 PathProgramCache]: Analyzing trace with hash -23583038, now seen corresponding path program 1 times [2022-07-21 14:12:57,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:12:57,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134176913] [2022-07-21 14:12:57,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:12:57,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:12:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:57,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:12:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:57,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:12:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:57,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:12:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:57,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:12:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:57,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:12:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:57,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:12:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:57,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:12:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:57,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:12:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:57,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:12:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:57,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:12:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:57,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:12:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:57,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:12:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:57,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:12:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:57,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:12:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:58,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:12:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:58,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:12:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:58,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:12:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:58,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 14:12:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:12:58,066 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-21 14:12:58,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:12:58,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134176913] [2022-07-21 14:12:58,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134176913] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:12:58,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:12:58,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:12:58,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527847717] [2022-07-21 14:12:58,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:12:58,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:12:58,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:12:58,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:12:58,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:12:58,068 INFO L87 Difference]: Start difference. First operand 1809 states and 2552 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:02,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:02,727 INFO L93 Difference]: Finished difference Result 3723 states and 5279 transitions. [2022-07-21 14:13:02,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:13:02,727 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 123 [2022-07-21 14:13:02,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:02,741 INFO L225 Difference]: With dead ends: 3723 [2022-07-21 14:13:02,741 INFO L226 Difference]: Without dead ends: 1934 [2022-07-21 14:13:02,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-21 14:13:02,751 INFO L413 NwaCegarLoop]: 2246 mSDtfsCounter, 4484 mSDsluCounter, 2612 mSDsCounter, 0 mSdLazyCounter, 3088 mSolverCounterSat, 3573 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4484 SdHoareTripleChecker+Valid, 4858 SdHoareTripleChecker+Invalid, 6661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3573 IncrementalHoareTripleChecker+Valid, 3088 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:02,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4484 Valid, 4858 Invalid, 6661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3573 Valid, 3088 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-21 14:13:02,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-07-21 14:13:02,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1809. [2022-07-21 14:13:02,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1242 states have (on average 1.2801932367149758) internal successors, (1590), 1286 states have internal predecessors, (1590), 481 states have call successors, (481), 85 states have call predecessors, (481), 85 states have return successors, (480), 466 states have call predecessors, (480), 480 states have call successors, (480) [2022-07-21 14:13:02,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2551 transitions. [2022-07-21 14:13:02,891 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2551 transitions. Word has length 123 [2022-07-21 14:13:02,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:02,893 INFO L495 AbstractCegarLoop]: Abstraction has 1809 states and 2551 transitions. [2022-07-21 14:13:02,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:02,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2551 transitions. [2022-07-21 14:13:02,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-21 14:13:02,897 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:02,897 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 14:13:02,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 14:13:02,898 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:02,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:02,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1270282586, now seen corresponding path program 1 times [2022-07-21 14:13:02,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:13:02,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693199687] [2022-07-21 14:13:02,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:02,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:13:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:03,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:13:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:03,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:13:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:03,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:03,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:03,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:03,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:13:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:03,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:03,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:03,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:03,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:13:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:03,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:03,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:03,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:03,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:13:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:03,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:13:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:03,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:13:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:03,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 14:13:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:03,165 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-21 14:13:03,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:13:03,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693199687] [2022-07-21 14:13:03,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693199687] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:03,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:03,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:13:03,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454865362] [2022-07-21 14:13:03,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:03,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:13:03,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:13:03,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:13:03,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:13:03,168 INFO L87 Difference]: Start difference. First operand 1809 states and 2551 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:07,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:07,414 INFO L93 Difference]: Finished difference Result 3723 states and 5277 transitions. [2022-07-21 14:13:07,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:13:07,416 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 124 [2022-07-21 14:13:07,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:07,427 INFO L225 Difference]: With dead ends: 3723 [2022-07-21 14:13:07,428 INFO L226 Difference]: Without dead ends: 1934 [2022-07-21 14:13:07,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-21 14:13:07,439 INFO L413 NwaCegarLoop]: 2244 mSDtfsCounter, 4477 mSDsluCounter, 2610 mSDsCounter, 0 mSdLazyCounter, 3085 mSolverCounterSat, 3577 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4477 SdHoareTripleChecker+Valid, 4854 SdHoareTripleChecker+Invalid, 6662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3577 IncrementalHoareTripleChecker+Valid, 3085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:07,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4477 Valid, 4854 Invalid, 6662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3577 Valid, 3085 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-21 14:13:07,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-07-21 14:13:07,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1809. [2022-07-21 14:13:07,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1809 states, 1242 states have (on average 1.2793880837359097) internal successors, (1589), 1286 states have internal predecessors, (1589), 481 states have call successors, (481), 85 states have call predecessors, (481), 85 states have return successors, (480), 466 states have call predecessors, (480), 480 states have call successors, (480) [2022-07-21 14:13:07,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2550 transitions. [2022-07-21 14:13:07,522 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2550 transitions. Word has length 124 [2022-07-21 14:13:07,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:07,523 INFO L495 AbstractCegarLoop]: Abstraction has 1809 states and 2550 transitions. [2022-07-21 14:13:07,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:07,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2550 transitions. [2022-07-21 14:13:07,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-21 14:13:07,524 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:07,524 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 14:13:07,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 14:13:07,525 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:07,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:07,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1455039426, now seen corresponding path program 1 times [2022-07-21 14:13:07,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:13:07,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683610096] [2022-07-21 14:13:07,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:07,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:13:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:07,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:13:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:07,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:07,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:13:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:07,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:07,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:07,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:07,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:13:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:07,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:07,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:07,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:07,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:07,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:13:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:07,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:07,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:07,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:07,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:13:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:07,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:13:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:07,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:13:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:07,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 14:13:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:07,820 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-21 14:13:07,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:13:07,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683610096] [2022-07-21 14:13:07,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683610096] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:07,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:07,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:13:07,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312051405] [2022-07-21 14:13:07,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:07,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:13:07,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:13:07,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:13:07,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:13:07,823 INFO L87 Difference]: Start difference. First operand 1809 states and 2550 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:14,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:14,108 INFO L93 Difference]: Finished difference Result 4659 states and 6561 transitions. [2022-07-21 14:13:14,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 14:13:14,108 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 125 [2022-07-21 14:13:14,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:14,124 INFO L225 Difference]: With dead ends: 4659 [2022-07-21 14:13:14,125 INFO L226 Difference]: Without dead ends: 2870 [2022-07-21 14:13:14,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2022-07-21 14:13:14,134 INFO L413 NwaCegarLoop]: 2847 mSDtfsCounter, 5911 mSDsluCounter, 3871 mSDsCounter, 0 mSdLazyCounter, 4456 mSolverCounterSat, 3605 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6229 SdHoareTripleChecker+Valid, 6718 SdHoareTripleChecker+Invalid, 8061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3605 IncrementalHoareTripleChecker+Valid, 4456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:14,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6229 Valid, 6718 Invalid, 8061 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3605 Valid, 4456 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-07-21 14:13:14,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2870 states. [2022-07-21 14:13:14,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2870 to 2738. [2022-07-21 14:13:14,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 1919 states have (on average 1.286086503387181) internal successors, (2468), 1991 states have internal predecessors, (2468), 672 states have call successors, (672), 159 states have call predecessors, (672), 146 states have return successors, (681), 625 states have call predecessors, (681), 671 states have call successors, (681) [2022-07-21 14:13:14,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3821 transitions. [2022-07-21 14:13:14,285 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3821 transitions. Word has length 125 [2022-07-21 14:13:14,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:14,285 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3821 transitions. [2022-07-21 14:13:14,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:14,286 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3821 transitions. [2022-07-21 14:13:14,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-21 14:13:14,288 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:14,288 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 14:13:14,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 14:13:14,288 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:14,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:14,289 INFO L85 PathProgramCache]: Analyzing trace with hash 73840726, now seen corresponding path program 1 times [2022-07-21 14:13:14,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:13:14,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863273464] [2022-07-21 14:13:14,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:14,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:13:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:14,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:13:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:14,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:14,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:13:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:14,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:14,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:14,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:14,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:13:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:14,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:14,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:14,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:14,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:13:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:14,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:14,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:14,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:13:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:14,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:13:14,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:14,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:13:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:14,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 14:13:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:14,524 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-21 14:13:14,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:13:14,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863273464] [2022-07-21 14:13:14,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863273464] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:14,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:14,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:13:14,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889510547] [2022-07-21 14:13:14,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:14,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:13:14,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:13:14,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:13:14,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:13:14,526 INFO L87 Difference]: Start difference. First operand 2738 states and 3821 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:19,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:19,002 INFO L93 Difference]: Finished difference Result 5582 states and 7856 transitions. [2022-07-21 14:13:19,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:13:19,002 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 126 [2022-07-21 14:13:19,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:19,017 INFO L225 Difference]: With dead ends: 5582 [2022-07-21 14:13:19,017 INFO L226 Difference]: Without dead ends: 2864 [2022-07-21 14:13:19,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-21 14:13:19,028 INFO L413 NwaCegarLoop]: 2251 mSDtfsCounter, 4463 mSDsluCounter, 2619 mSDsCounter, 0 mSdLazyCounter, 3094 mSolverCounterSat, 3563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4463 SdHoareTripleChecker+Valid, 4870 SdHoareTripleChecker+Invalid, 6657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3563 IncrementalHoareTripleChecker+Valid, 3094 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:19,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4463 Valid, 4870 Invalid, 6657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3563 Valid, 3094 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-21 14:13:19,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-21 14:13:19,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-21 14:13:19,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 1919 states have (on average 1.2845231891610214) internal successors, (2465), 1991 states have internal predecessors, (2465), 672 states have call successors, (672), 159 states have call predecessors, (672), 146 states have return successors, (681), 625 states have call predecessors, (681), 671 states have call successors, (681) [2022-07-21 14:13:19,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3818 transitions. [2022-07-21 14:13:19,157 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3818 transitions. Word has length 126 [2022-07-21 14:13:19,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:19,158 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3818 transitions. [2022-07-21 14:13:19,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:19,158 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3818 transitions. [2022-07-21 14:13:19,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-21 14:13:19,159 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:19,160 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 14:13:19,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 14:13:19,160 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:19,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:19,160 INFO L85 PathProgramCache]: Analyzing trace with hash 339001786, now seen corresponding path program 1 times [2022-07-21 14:13:19,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:13:19,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858160017] [2022-07-21 14:13:19,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:19,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:13:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:19,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:13:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:19,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:19,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:13:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:19,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:19,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:19,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:19,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:13:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:19,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:19,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:19,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:13:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:19,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:19,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:19,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:19,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:13:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:19,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:13:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:19,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:13:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:19,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 14:13:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:19,400 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-21 14:13:19,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:13:19,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858160017] [2022-07-21 14:13:19,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858160017] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:19,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:19,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:13:19,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961124487] [2022-07-21 14:13:19,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:19,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:13:19,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:13:19,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:13:19,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:13:19,402 INFO L87 Difference]: Start difference. First operand 2738 states and 3818 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:23,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:23,726 INFO L93 Difference]: Finished difference Result 5582 states and 7850 transitions. [2022-07-21 14:13:23,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:13:23,726 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 127 [2022-07-21 14:13:23,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:23,743 INFO L225 Difference]: With dead ends: 5582 [2022-07-21 14:13:23,743 INFO L226 Difference]: Without dead ends: 2864 [2022-07-21 14:13:23,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-21 14:13:23,754 INFO L413 NwaCegarLoop]: 2250 mSDtfsCounter, 4456 mSDsluCounter, 2621 mSDsCounter, 0 mSdLazyCounter, 3090 mSolverCounterSat, 3565 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4456 SdHoareTripleChecker+Valid, 4871 SdHoareTripleChecker+Invalid, 6655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3565 IncrementalHoareTripleChecker+Valid, 3090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:23,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4456 Valid, 4871 Invalid, 6655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3565 Valid, 3090 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-21 14:13:23,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-21 14:13:23,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-21 14:13:23,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 1919 states have (on average 1.2829598749348619) internal successors, (2462), 1991 states have internal predecessors, (2462), 672 states have call successors, (672), 159 states have call predecessors, (672), 146 states have return successors, (681), 625 states have call predecessors, (681), 671 states have call successors, (681) [2022-07-21 14:13:23,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3815 transitions. [2022-07-21 14:13:23,894 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3815 transitions. Word has length 127 [2022-07-21 14:13:23,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:23,895 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3815 transitions. [2022-07-21 14:13:23,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:23,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3815 transitions. [2022-07-21 14:13:23,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-21 14:13:23,948 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:23,948 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 14:13:23,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 14:13:23,949 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:23,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:23,950 INFO L85 PathProgramCache]: Analyzing trace with hash 83576658, now seen corresponding path program 1 times [2022-07-21 14:13:23,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:13:23,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155467796] [2022-07-21 14:13:23,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:23,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:13:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:24,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:13:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:24,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:24,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:13:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:24,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:24,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:24,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:24,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:13:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:24,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:24,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:24,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:24,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:13:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:24,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:24,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:24,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:24,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:13:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:24,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:13:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:24,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:13:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:24,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 14:13:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:24,211 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-21 14:13:24,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:13:24,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155467796] [2022-07-21 14:13:24,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155467796] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:24,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:24,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:13:24,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438927734] [2022-07-21 14:13:24,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:24,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:13:24,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:13:24,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:13:24,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:13:24,214 INFO L87 Difference]: Start difference. First operand 2738 states and 3815 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:28,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:28,444 INFO L93 Difference]: Finished difference Result 5582 states and 7844 transitions. [2022-07-21 14:13:28,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:13:28,445 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 128 [2022-07-21 14:13:28,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:28,457 INFO L225 Difference]: With dead ends: 5582 [2022-07-21 14:13:28,458 INFO L226 Difference]: Without dead ends: 2864 [2022-07-21 14:13:28,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-21 14:13:28,465 INFO L413 NwaCegarLoop]: 2239 mSDtfsCounter, 4465 mSDsluCounter, 2608 mSDsCounter, 0 mSdLazyCounter, 3082 mSolverCounterSat, 3579 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4465 SdHoareTripleChecker+Valid, 4847 SdHoareTripleChecker+Invalid, 6661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3579 IncrementalHoareTripleChecker+Valid, 3082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:28,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4465 Valid, 4847 Invalid, 6661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3579 Valid, 3082 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-21 14:13:28,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-21 14:13:28,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-21 14:13:28,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 1919 states have (on average 1.2813965607087026) internal successors, (2459), 1991 states have internal predecessors, (2459), 672 states have call successors, (672), 159 states have call predecessors, (672), 146 states have return successors, (681), 625 states have call predecessors, (681), 671 states have call successors, (681) [2022-07-21 14:13:28,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3812 transitions. [2022-07-21 14:13:28,588 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3812 transitions. Word has length 128 [2022-07-21 14:13:28,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:28,588 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3812 transitions. [2022-07-21 14:13:28,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:28,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3812 transitions. [2022-07-21 14:13:28,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-21 14:13:28,590 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:28,590 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 14:13:28,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 14:13:28,590 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:28,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:28,591 INFO L85 PathProgramCache]: Analyzing trace with hash 869848886, now seen corresponding path program 1 times [2022-07-21 14:13:28,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:13:28,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687625725] [2022-07-21 14:13:28,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:28,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:13:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:28,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:13:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:28,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:28,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:13:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:28,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:28,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:28,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:28,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:13:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:28,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:28,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:28,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:28,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:13:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:28,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:28,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:28,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:28,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:13:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:28,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:13:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:28,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:13:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:28,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 14:13:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:28,784 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-21 14:13:28,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:13:28,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687625725] [2022-07-21 14:13:28,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687625725] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:28,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:28,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:13:28,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900716618] [2022-07-21 14:13:28,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:28,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:13:28,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:13:28,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:13:28,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:13:28,787 INFO L87 Difference]: Start difference. First operand 2738 states and 3812 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:33,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:33,244 INFO L93 Difference]: Finished difference Result 5582 states and 7838 transitions. [2022-07-21 14:13:33,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:13:33,245 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 129 [2022-07-21 14:13:33,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:33,268 INFO L225 Difference]: With dead ends: 5582 [2022-07-21 14:13:33,269 INFO L226 Difference]: Without dead ends: 2864 [2022-07-21 14:13:33,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-21 14:13:33,279 INFO L413 NwaCegarLoop]: 2240 mSDtfsCounter, 4458 mSDsluCounter, 2608 mSDsCounter, 0 mSdLazyCounter, 3084 mSolverCounterSat, 3575 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4458 SdHoareTripleChecker+Valid, 4848 SdHoareTripleChecker+Invalid, 6659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3575 IncrementalHoareTripleChecker+Valid, 3084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:33,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4458 Valid, 4848 Invalid, 6659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3575 Valid, 3084 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-21 14:13:33,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-21 14:13:33,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-21 14:13:33,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 1919 states have (on average 1.279833246482543) internal successors, (2456), 1991 states have internal predecessors, (2456), 672 states have call successors, (672), 159 states have call predecessors, (672), 146 states have return successors, (681), 625 states have call predecessors, (681), 671 states have call successors, (681) [2022-07-21 14:13:33,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3809 transitions. [2022-07-21 14:13:33,420 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3809 transitions. Word has length 129 [2022-07-21 14:13:33,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:33,421 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3809 transitions. [2022-07-21 14:13:33,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3809 transitions. [2022-07-21 14:13:33,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-21 14:13:33,423 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:33,423 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 14:13:33,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 14:13:33,424 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:33,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:33,424 INFO L85 PathProgramCache]: Analyzing trace with hash -410999218, now seen corresponding path program 1 times [2022-07-21 14:13:33,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:13:33,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63737783] [2022-07-21 14:13:33,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:33,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:13:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:33,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:13:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:33,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:33,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:13:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:33,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:33,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:33,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:33,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:33,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:13:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:33,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:33,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:33,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:33,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:13:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:33,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:33,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:33,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:33,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:13:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:33,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:13:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:33,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:13:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:33,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 14:13:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:33,686 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-21 14:13:33,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:13:33,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63737783] [2022-07-21 14:13:33,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63737783] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:33,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:33,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:13:33,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442561072] [2022-07-21 14:13:33,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:33,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:13:33,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:13:33,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:13:33,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:13:33,689 INFO L87 Difference]: Start difference. First operand 2738 states and 3809 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:38,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:38,325 INFO L93 Difference]: Finished difference Result 5582 states and 7832 transitions. [2022-07-21 14:13:38,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:13:38,325 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 130 [2022-07-21 14:13:38,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:38,342 INFO L225 Difference]: With dead ends: 5582 [2022-07-21 14:13:38,342 INFO L226 Difference]: Without dead ends: 2864 [2022-07-21 14:13:38,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-21 14:13:38,354 INFO L413 NwaCegarLoop]: 2242 mSDtfsCounter, 4449 mSDsluCounter, 2612 mSDsCounter, 0 mSdLazyCounter, 3084 mSolverCounterSat, 3571 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4449 SdHoareTripleChecker+Valid, 4854 SdHoareTripleChecker+Invalid, 6655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3571 IncrementalHoareTripleChecker+Valid, 3084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:38,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4449 Valid, 4854 Invalid, 6655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3571 Valid, 3084 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-21 14:13:38,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-21 14:13:38,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-21 14:13:38,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 1919 states have (on average 1.2782699322563835) internal successors, (2453), 1991 states have internal predecessors, (2453), 672 states have call successors, (672), 159 states have call predecessors, (672), 146 states have return successors, (681), 625 states have call predecessors, (681), 671 states have call successors, (681) [2022-07-21 14:13:38,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3806 transitions. [2022-07-21 14:13:38,541 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3806 transitions. Word has length 130 [2022-07-21 14:13:38,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:38,541 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3806 transitions. [2022-07-21 14:13:38,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:38,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3806 transitions. [2022-07-21 14:13:38,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-21 14:13:38,543 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:38,543 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 14:13:38,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 14:13:38,543 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:38,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:38,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1348068174, now seen corresponding path program 1 times [2022-07-21 14:13:38,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:13:38,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234870607] [2022-07-21 14:13:38,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:38,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:13:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:13:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:13:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:13:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:13:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:13:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:13:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:13:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 14:13:38,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,759 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-21 14:13:38,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:13:38,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234870607] [2022-07-21 14:13:38,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234870607] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:38,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:38,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:13:38,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522375793] [2022-07-21 14:13:38,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:38,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:13:38,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:13:38,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:13:38,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:13:38,761 INFO L87 Difference]: Start difference. First operand 2738 states and 3806 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:43,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:43,694 INFO L93 Difference]: Finished difference Result 5582 states and 7826 transitions. [2022-07-21 14:13:43,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:13:43,695 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 131 [2022-07-21 14:13:43,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:43,707 INFO L225 Difference]: With dead ends: 5582 [2022-07-21 14:13:43,708 INFO L226 Difference]: Without dead ends: 2864 [2022-07-21 14:13:43,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-21 14:13:43,718 INFO L413 NwaCegarLoop]: 2241 mSDtfsCounter, 4442 mSDsluCounter, 2615 mSDsCounter, 0 mSdLazyCounter, 3084 mSolverCounterSat, 3573 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4442 SdHoareTripleChecker+Valid, 4856 SdHoareTripleChecker+Invalid, 6657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3573 IncrementalHoareTripleChecker+Valid, 3084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:43,718 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4442 Valid, 4856 Invalid, 6657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3573 Valid, 3084 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-21 14:13:43,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-21 14:13:43,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-21 14:13:43,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 1919 states have (on average 1.276706618030224) internal successors, (2450), 1991 states have internal predecessors, (2450), 672 states have call successors, (672), 159 states have call predecessors, (672), 146 states have return successors, (681), 625 states have call predecessors, (681), 671 states have call successors, (681) [2022-07-21 14:13:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3803 transitions. [2022-07-21 14:13:43,861 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3803 transitions. Word has length 131 [2022-07-21 14:13:43,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:43,862 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3803 transitions. [2022-07-21 14:13:43,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:43,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3803 transitions. [2022-07-21 14:13:43,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-07-21 14:13:43,863 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:43,863 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 14:13:43,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 14:13:43,864 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:43,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:43,864 INFO L85 PathProgramCache]: Analyzing trace with hash -217918134, now seen corresponding path program 1 times [2022-07-21 14:13:43,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:13:43,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743302187] [2022-07-21 14:13:43,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:43,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:13:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:43,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:13:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:43,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:43,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:13:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:43,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:43,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:43,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:44,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:13:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:44,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:44,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:44,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:44,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:13:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:44,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:44,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:44,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:44,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:13:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:44,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:13:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:44,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:13:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:44,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 14:13:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:44,096 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-21 14:13:44,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:13:44,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743302187] [2022-07-21 14:13:44,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743302187] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:44,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:44,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:13:44,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145856625] [2022-07-21 14:13:44,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:44,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:13:44,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:13:44,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:13:44,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:13:44,098 INFO L87 Difference]: Start difference. First operand 2738 states and 3803 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:48,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:48,811 INFO L93 Difference]: Finished difference Result 5582 states and 7820 transitions. [2022-07-21 14:13:48,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:13:48,811 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 132 [2022-07-21 14:13:48,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:48,824 INFO L225 Difference]: With dead ends: 5582 [2022-07-21 14:13:48,824 INFO L226 Difference]: Without dead ends: 2864 [2022-07-21 14:13:48,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-21 14:13:48,835 INFO L413 NwaCegarLoop]: 2243 mSDtfsCounter, 4435 mSDsluCounter, 2617 mSDsCounter, 0 mSdLazyCounter, 3087 mSolverCounterSat, 3567 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4435 SdHoareTripleChecker+Valid, 4860 SdHoareTripleChecker+Invalid, 6654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3567 IncrementalHoareTripleChecker+Valid, 3087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:48,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4435 Valid, 4860 Invalid, 6654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3567 Valid, 3087 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-21 14:13:48,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-21 14:13:49,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-21 14:13:49,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 1919 states have (on average 1.2751433038040647) internal successors, (2447), 1991 states have internal predecessors, (2447), 672 states have call successors, (672), 159 states have call predecessors, (672), 146 states have return successors, (681), 625 states have call predecessors, (681), 671 states have call successors, (681) [2022-07-21 14:13:49,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3800 transitions. [2022-07-21 14:13:49,031 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3800 transitions. Word has length 132 [2022-07-21 14:13:49,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:49,031 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3800 transitions. [2022-07-21 14:13:49,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:49,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3800 transitions. [2022-07-21 14:13:49,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-21 14:13:49,033 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:49,033 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 14:13:49,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-21 14:13:49,034 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:49,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:49,034 INFO L85 PathProgramCache]: Analyzing trace with hash 571511342, now seen corresponding path program 1 times [2022-07-21 14:13:49,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:13:49,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249751958] [2022-07-21 14:13:49,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:49,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:13:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:13:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:13:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:13:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:13:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:13:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:13:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:13:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 14:13:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,300 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-21 14:13:49,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:13:49,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249751958] [2022-07-21 14:13:49,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249751958] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:49,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:49,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:13:49,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436519424] [2022-07-21 14:13:49,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:49,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:13:49,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:13:49,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:13:49,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:13:49,303 INFO L87 Difference]: Start difference. First operand 2738 states and 3800 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:54,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:54,501 INFO L93 Difference]: Finished difference Result 5582 states and 7814 transitions. [2022-07-21 14:13:54,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:13:54,502 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 133 [2022-07-21 14:13:54,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:54,514 INFO L225 Difference]: With dead ends: 5582 [2022-07-21 14:13:54,514 INFO L226 Difference]: Without dead ends: 2864 [2022-07-21 14:13:54,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2022-07-21 14:13:54,525 INFO L413 NwaCegarLoop]: 2240 mSDtfsCounter, 4432 mSDsluCounter, 2617 mSDsCounter, 0 mSdLazyCounter, 3085 mSolverCounterSat, 3573 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4432 SdHoareTripleChecker+Valid, 4857 SdHoareTripleChecker+Invalid, 6658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3573 IncrementalHoareTripleChecker+Valid, 3085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:54,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4432 Valid, 4857 Invalid, 6658 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3573 Valid, 3085 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-21 14:13:54,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-21 14:13:54,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-21 14:13:54,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 1919 states have (on average 1.2735799895779052) internal successors, (2444), 1991 states have internal predecessors, (2444), 672 states have call successors, (672), 159 states have call predecessors, (672), 146 states have return successors, (681), 625 states have call predecessors, (681), 671 states have call successors, (681) [2022-07-21 14:13:54,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3797 transitions. [2022-07-21 14:13:54,676 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3797 transitions. Word has length 133 [2022-07-21 14:13:54,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:54,677 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3797 transitions. [2022-07-21 14:13:54,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-21 14:13:54,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3797 transitions. [2022-07-21 14:13:54,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-21 14:13:54,680 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:54,680 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-07-21 14:13:54,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-21 14:13:54,681 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:54,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:54,681 INFO L85 PathProgramCache]: Analyzing trace with hash 600140493, now seen corresponding path program 1 times [2022-07-21 14:13:54,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:13:54,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955767485] [2022-07-21 14:13:54,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:54,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:13:54,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:54,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:13:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:54,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:54,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:13:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:54,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:54,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:54,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:54,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:13:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:54,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:54,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:54,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:54,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:13:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:54,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:54,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:54,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:54,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:54,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:13:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:54,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:13:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:54,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:13:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:54,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 14:13:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:54,908 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-21 14:13:54,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:13:54,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955767485] [2022-07-21 14:13:54,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955767485] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:54,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:54,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:13:54,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25894005] [2022-07-21 14:13:54,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:54,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:13:54,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:13:54,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:13:54,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:13:54,912 INFO L87 Difference]: Start difference. First operand 2738 states and 3797 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-21 14:13:59,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:59,838 INFO L93 Difference]: Finished difference Result 2876 states and 4024 transitions. [2022-07-21 14:13:59,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 14:13:59,839 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) Word has length 133 [2022-07-21 14:13:59,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:59,850 INFO L225 Difference]: With dead ends: 2876 [2022-07-21 14:13:59,850 INFO L226 Difference]: Without dead ends: 2874 [2022-07-21 14:13:59,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-07-21 14:13:59,852 INFO L413 NwaCegarLoop]: 2253 mSDtfsCounter, 1196 mSDsluCounter, 5516 mSDsCounter, 0 mSdLazyCounter, 5365 mSolverCounterSat, 1327 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1288 SdHoareTripleChecker+Valid, 7769 SdHoareTripleChecker+Invalid, 6692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1327 IncrementalHoareTripleChecker+Valid, 5365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:59,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1288 Valid, 7769 Invalid, 6692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1327 Valid, 5365 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-21 14:13:59,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2874 states. [2022-07-21 14:13:59,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2874 to 2744. [2022-07-21 14:13:59,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2744 states, 1923 states have (on average 1.2719708788351534) internal successors, (2446), 1996 states have internal predecessors, (2446), 672 states have call successors, (672), 159 states have call predecessors, (672), 148 states have return successors, (685), 626 states have call predecessors, (685), 671 states have call successors, (685) [2022-07-21 14:13:59,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2744 states to 2744 states and 3803 transitions. [2022-07-21 14:13:59,992 INFO L78 Accepts]: Start accepts. Automaton has 2744 states and 3803 transitions. Word has length 133 [2022-07-21 14:13:59,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:59,992 INFO L495 AbstractCegarLoop]: Abstraction has 2744 states and 3803 transitions. [2022-07-21 14:13:59,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 1 states have call successors, (12) [2022-07-21 14:13:59,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2744 states and 3803 transitions. [2022-07-21 14:13:59,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-21 14:13:59,996 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:59,996 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 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] [2022-07-21 14:13:59,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-21 14:13:59,996 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:59,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:59,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1697750653, now seen corresponding path program 1 times [2022-07-21 14:13:59,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:13:59,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175220061] [2022-07-21 14:13:59,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:59,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:14:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 14:14:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-21 14:14:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:14:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 14:14:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:14:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-21 14:14:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-21 14:14:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 14:14:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:14:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:14:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 14:14:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 14:14:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:14:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-21 14:14:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 14:14:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-21 14:14:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 14:14:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:14:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 14:14:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-21 14:14:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:00,231 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-07-21 14:14:00,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:14:00,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175220061] [2022-07-21 14:14:00,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [175220061] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:14:00,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:14:00,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:14:00,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336270154] [2022-07-21 14:14:00,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:14:00,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:14:00,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:14:00,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:14:00,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:14:00,236 INFO L87 Difference]: Start difference. First operand 2744 states and 3803 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-21 14:14:06,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:06,942 INFO L93 Difference]: Finished difference Result 4137 states and 5894 transitions. [2022-07-21 14:14:06,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 14:14:06,943 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) Word has length 194 [2022-07-21 14:14:06,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:06,954 INFO L225 Difference]: With dead ends: 4137 [2022-07-21 14:14:06,954 INFO L226 Difference]: Without dead ends: 3331 [2022-07-21 14:14:06,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2022-07-21 14:14:06,957 INFO L413 NwaCegarLoop]: 2168 mSDtfsCounter, 3880 mSDsluCounter, 3464 mSDsCounter, 0 mSdLazyCounter, 4659 mSolverCounterSat, 3815 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4137 SdHoareTripleChecker+Valid, 5632 SdHoareTripleChecker+Invalid, 8474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3815 IncrementalHoareTripleChecker+Valid, 4659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:06,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4137 Valid, 5632 Invalid, 8474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3815 Valid, 4659 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-07-21 14:14:06,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3331 states. [2022-07-21 14:14:07,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3331 to 2748. [2022-07-21 14:14:07,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2748 states, 1926 states have (on average 1.2710280373831775) internal successors, (2448), 1999 states have internal predecessors, (2448), 672 states have call successors, (672), 159 states have call predecessors, (672), 149 states have return successors, (687), 627 states have call predecessors, (687), 671 states have call successors, (687) [2022-07-21 14:14:07,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 2748 states and 3807 transitions. [2022-07-21 14:14:07,119 INFO L78 Accepts]: Start accepts. Automaton has 2748 states and 3807 transitions. Word has length 194 [2022-07-21 14:14:07,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:07,119 INFO L495 AbstractCegarLoop]: Abstraction has 2748 states and 3807 transitions. [2022-07-21 14:14:07,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (26), 2 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-21 14:14:07,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2748 states and 3807 transitions. [2022-07-21 14:14:07,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-07-21 14:14:07,123 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:07,123 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 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] [2022-07-21 14:14:07,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-21 14:14:07,123 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:07,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:07,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1916739649, now seen corresponding path program 1 times [2022-07-21 14:14:07,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:14:07,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736517419] [2022-07-21 14:14:07,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:07,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:14:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:14:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 14:14:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 14:14:07,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 14:14:07,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 14:14:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 14:14:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:07,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:07,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-21 14:14:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 14:14:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-21 14:14:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:14:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:14:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:14:07,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 14:14:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 14:14:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 14:14:07,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:14:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 14:14:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 14:14:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:14:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 14:14:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 14:14:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:07,373 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-21 14:14:07,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:14:07,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736517419] [2022-07-21 14:14:07,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736517419] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:14:07,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:14:07,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:14:07,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763605175] [2022-07-21 14:14:07,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:14:07,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:14:07,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:14:07,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:14:07,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:14:07,376 INFO L87 Difference]: Start difference. First operand 2748 states and 3807 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-07-21 14:14:13,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:13,371 INFO L93 Difference]: Finished difference Result 5614 states and 8000 transitions. [2022-07-21 14:14:13,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 14:14:13,371 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) Word has length 210 [2022-07-21 14:14:13,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:13,388 INFO L225 Difference]: With dead ends: 5614 [2022-07-21 14:14:13,389 INFO L226 Difference]: Without dead ends: 3337 [2022-07-21 14:14:13,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2022-07-21 14:14:13,398 INFO L413 NwaCegarLoop]: 2160 mSDtfsCounter, 3380 mSDsluCounter, 4002 mSDsCounter, 0 mSdLazyCounter, 4761 mSolverCounterSat, 3840 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3485 SdHoareTripleChecker+Valid, 6162 SdHoareTripleChecker+Invalid, 8601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3840 IncrementalHoareTripleChecker+Valid, 4761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:13,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3485 Valid, 6162 Invalid, 8601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3840 Valid, 4761 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-07-21 14:14:13,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3337 states. [2022-07-21 14:14:13,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3337 to 2752. [2022-07-21 14:14:13,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2752 states, 1929 states have (on average 1.2711249351995852) internal successors, (2452), 2001 states have internal predecessors, (2452), 673 states have call successors, (673), 159 states have call predecessors, (673), 149 states have return successors, (688), 629 states have call predecessors, (688), 672 states have call successors, (688) [2022-07-21 14:14:13,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2752 states and 3813 transitions. [2022-07-21 14:14:13,571 INFO L78 Accepts]: Start accepts. Automaton has 2752 states and 3813 transitions. Word has length 210 [2022-07-21 14:14:13,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:13,571 INFO L495 AbstractCegarLoop]: Abstraction has 2752 states and 3813 transitions. [2022-07-21 14:14:13,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 4 states have call successors, (28) [2022-07-21 14:14:13,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 3813 transitions. [2022-07-21 14:14:13,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-07-21 14:14:13,575 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:13,575 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 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] [2022-07-21 14:14:13,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-21 14:14:13,575 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:13,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:13,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1407266559, now seen corresponding path program 1 times [2022-07-21 14:14:13,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:14:13,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898680069] [2022-07-21 14:14:13,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:13,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:14:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:14:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 14:14:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 14:14:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 14:14:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-21 14:14:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-21 14:14:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-21 14:14:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:13,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 14:14:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-21 14:14:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:14:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:14:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:14:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 14:14:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 14:14:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 14:14:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:14:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 14:14:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 14:14:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:14:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 14:14:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 14:14:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:13,857 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-21 14:14:13,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:14:13,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898680069] [2022-07-21 14:14:13,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898680069] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:14:13,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:14:13,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 14:14:13,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515650056] [2022-07-21 14:14:13,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:14:13,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 14:14:13,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:14:13,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 14:14:13,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:14:13,859 INFO L87 Difference]: Start difference. First operand 2752 states and 3813 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-21 14:14:19,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:19,348 INFO L93 Difference]: Finished difference Result 5655 states and 8057 transitions. [2022-07-21 14:14:19,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 14:14:19,360 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 3 states have call successors, (28) Word has length 210 [2022-07-21 14:14:19,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:19,373 INFO L225 Difference]: With dead ends: 5655 [2022-07-21 14:14:19,374 INFO L226 Difference]: Without dead ends: 3374 [2022-07-21 14:14:19,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2022-07-21 14:14:19,381 INFO L413 NwaCegarLoop]: 2154 mSDtfsCounter, 3468 mSDsluCounter, 3997 mSDsCounter, 0 mSdLazyCounter, 4772 mSolverCounterSat, 3934 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3574 SdHoareTripleChecker+Valid, 6151 SdHoareTripleChecker+Invalid, 8706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3934 IncrementalHoareTripleChecker+Valid, 4772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:19,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3574 Valid, 6151 Invalid, 8706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3934 Valid, 4772 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-21 14:14:19,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3374 states. [2022-07-21 14:14:19,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3374 to 2754. [2022-07-21 14:14:19,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2754 states, 1931 states have (on average 1.2708441222164681) internal successors, (2454), 2003 states have internal predecessors, (2454), 673 states have call successors, (673), 159 states have call predecessors, (673), 149 states have return successors, (688), 629 states have call predecessors, (688), 672 states have call successors, (688) [2022-07-21 14:14:19,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3815 transitions. [2022-07-21 14:14:19,552 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3815 transitions. Word has length 210 [2022-07-21 14:14:19,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:19,553 INFO L495 AbstractCegarLoop]: Abstraction has 2754 states and 3815 transitions. [2022-07-21 14:14:19,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-21 14:14:19,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3815 transitions. [2022-07-21 14:14:19,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-07-21 14:14:19,557 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:19,557 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-21 14:14:19,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-21 14:14:19,557 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:19,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:19,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1238725689, now seen corresponding path program 1 times [2022-07-21 14:14:19,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:14:19,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386580471] [2022-07-21 14:14:19,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:19,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:14:19,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:14:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:14:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:14:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:14:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:14:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:14:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:14:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 14:14:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-21 14:14:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:14:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 14:14:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 14:14:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 14:14:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 14:14:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 14:14:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:14:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:14:19,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-21 14:14:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 14:14:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-21 14:14:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 14:14:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:14:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-21 14:14:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-21 14:14:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:19,827 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-07-21 14:14:19,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:14:19,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386580471] [2022-07-21 14:14:19,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386580471] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 14:14:19,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000034265] [2022-07-21 14:14:19,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:19,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:14:19,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:14:19,830 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) [2022-07-21 14:14:19,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 14:14:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:20,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 3269 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 14:14:20,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:14:20,778 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-07-21 14:14:20,778 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 14:14:20,924 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-07-21 14:14:20,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000034265] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 14:14:20,924 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 14:14:20,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 9 [2022-07-21 14:14:20,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850914229] [2022-07-21 14:14:20,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 14:14:20,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 14:14:20,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:14:20,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 14:14:20,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:14:20,927 INFO L87 Difference]: Start difference. First operand 2754 states and 3815 transitions. Second operand has 9 states, 9 states have (on average 16.11111111111111) internal successors, (145), 6 states have internal predecessors, (145), 3 states have call successors, (47), 5 states have call predecessors, (47), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-21 14:14:25,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:25,178 INFO L93 Difference]: Finished difference Result 5320 states and 7477 transitions. [2022-07-21 14:14:25,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-21 14:14:25,178 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.11111111111111) internal successors, (145), 6 states have internal predecessors, (145), 3 states have call successors, (47), 5 states have call predecessors, (47), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) Word has length 275 [2022-07-21 14:14:25,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:25,191 INFO L225 Difference]: With dead ends: 5320 [2022-07-21 14:14:25,191 INFO L226 Difference]: Without dead ends: 3037 [2022-07-21 14:14:25,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 650 GetRequests, 631 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2022-07-21 14:14:25,199 INFO L413 NwaCegarLoop]: 2159 mSDtfsCounter, 2332 mSDsluCounter, 3317 mSDsCounter, 0 mSdLazyCounter, 3788 mSolverCounterSat, 2528 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2440 SdHoareTripleChecker+Valid, 5476 SdHoareTripleChecker+Invalid, 6316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2528 IncrementalHoareTripleChecker+Valid, 3788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:25,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2440 Valid, 5476 Invalid, 6316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2528 Valid, 3788 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-07-21 14:14:25,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3037 states. [2022-07-21 14:14:25,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3037 to 2856. [2022-07-21 14:14:25,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2856 states, 2000 states have (on average 1.269) internal successors, (2538), 2075 states have internal predecessors, (2538), 706 states have call successors, (706), 159 states have call predecessors, (706), 149 states have return successors, (721), 662 states have call predecessors, (721), 705 states have call successors, (721) [2022-07-21 14:14:25,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 2856 states and 3965 transitions. [2022-07-21 14:14:25,416 INFO L78 Accepts]: Start accepts. Automaton has 2856 states and 3965 transitions. Word has length 275 [2022-07-21 14:14:25,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:25,417 INFO L495 AbstractCegarLoop]: Abstraction has 2856 states and 3965 transitions. [2022-07-21 14:14:25,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.11111111111111) internal successors, (145), 6 states have internal predecessors, (145), 3 states have call successors, (47), 5 states have call predecessors, (47), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-21 14:14:25,417 INFO L276 IsEmpty]: Start isEmpty. Operand 2856 states and 3965 transitions. [2022-07-21 14:14:25,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-07-21 14:14:25,427 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:25,427 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:14:25,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 14:14:25,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:14:25,651 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:25,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:25,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1188728478, now seen corresponding path program 1 times [2022-07-21 14:14:25,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:14:25,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454121163] [2022-07-21 14:14:25,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:25,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:14:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:14:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:14:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:14:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:14:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:14:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:14:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:14:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 14:14:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-21 14:14:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:14:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 14:14:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 14:14:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 14:14:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 14:14:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-21 14:14:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:14:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:14:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:14:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:14:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 14:14:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-21 14:14:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 14:14:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:14:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 14:14:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 14:14:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:25,921 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-07-21 14:14:25,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:14:25,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454121163] [2022-07-21 14:14:25,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454121163] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 14:14:25,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363731068] [2022-07-21 14:14:25,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:25,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:14:25,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:14:25,923 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 14:14:25,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 14:14:26,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:26,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 3264 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-21 14:14:26,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:14:26,831 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-07-21 14:14:26,831 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 14:14:27,006 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-07-21 14:14:27,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363731068] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 14:14:27,006 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-21 14:14:27,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 15 [2022-07-21 14:14:27,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365035096] [2022-07-21 14:14:27,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-21 14:14:27,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-21 14:14:27,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:14:27,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-21 14:14:27,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-07-21 14:14:27,009 INFO L87 Difference]: Start difference. First operand 2856 states and 3965 transitions. Second operand has 15 states, 15 states have (on average 11.0) internal successors, (165), 12 states have internal predecessors, (165), 3 states have call successors, (47), 5 states have call predecessors, (47), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-21 14:14:31,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:31,763 INFO L93 Difference]: Finished difference Result 5710 states and 8053 transitions. [2022-07-21 14:14:31,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-21 14:14:31,763 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 12 states have internal predecessors, (165), 3 states have call successors, (47), 5 states have call predecessors, (47), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) Word has length 280 [2022-07-21 14:14:31,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:31,778 INFO L225 Difference]: With dead ends: 5710 [2022-07-21 14:14:31,779 INFO L226 Difference]: Without dead ends: 3325 [2022-07-21 14:14:31,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 669 GetRequests, 632 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=487, Invalid=995, Unknown=0, NotChecked=0, Total=1482 [2022-07-21 14:14:31,789 INFO L413 NwaCegarLoop]: 2158 mSDtfsCounter, 3182 mSDsluCounter, 3319 mSDsCounter, 0 mSdLazyCounter, 4299 mSolverCounterSat, 3400 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3290 SdHoareTripleChecker+Valid, 5477 SdHoareTripleChecker+Invalid, 7699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3400 IncrementalHoareTripleChecker+Valid, 4299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:31,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3290 Valid, 5477 Invalid, 7699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3400 Valid, 4299 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-07-21 14:14:31,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2022-07-21 14:14:31,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3060. [2022-07-21 14:14:31,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3060 states, 2138 states have (on average 1.265668849391955) internal successors, (2706), 2219 states have internal predecessors, (2706), 772 states have call successors, (772), 159 states have call predecessors, (772), 149 states have return successors, (787), 728 states have call predecessors, (787), 771 states have call successors, (787) [2022-07-21 14:14:31,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 3060 states and 4265 transitions. [2022-07-21 14:14:32,000 INFO L78 Accepts]: Start accepts. Automaton has 3060 states and 4265 transitions. Word has length 280 [2022-07-21 14:14:32,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:32,001 INFO L495 AbstractCegarLoop]: Abstraction has 3060 states and 4265 transitions. [2022-07-21 14:14:32,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.0) internal successors, (165), 12 states have internal predecessors, (165), 3 states have call successors, (47), 5 states have call predecessors, (47), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-21 14:14:32,001 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 4265 transitions. [2022-07-21 14:14:32,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-07-21 14:14:32,007 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:32,007 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-07-21 14:14:32,032 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 14:14:32,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2022-07-21 14:14:32,224 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:32,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:32,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1242287644, now seen corresponding path program 1 times [2022-07-21 14:14:32,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:14:32,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423250189] [2022-07-21 14:14:32,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:32,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:14:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:14:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:14:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:14:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:14:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:14:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:14:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:14:32,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 14:14:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-21 14:14:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:14:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 14:14:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 14:14:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 14:14:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 14:14:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-21 14:14:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 14:14:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:14:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:14:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 14:14:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-21 14:14:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-21 14:14:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:14:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:14:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 14:14:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 14:14:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 14:14:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,828 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2022-07-21 14:14:32,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:14:32,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423250189] [2022-07-21 14:14:32,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423250189] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:14:32,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:14:32,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 14:14:32,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907952917] [2022-07-21 14:14:32,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:14:32,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 14:14:32,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:14:32,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 14:14:32,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:14:32,832 INFO L87 Difference]: Start difference. First operand 3060 states and 4265 transitions. Second operand has 9 states, 7 states have (on average 16.571428571428573) internal successors, (116), 4 states have internal predecessors, (116), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-21 14:14:38,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:38,360 INFO L93 Difference]: Finished difference Result 5897 states and 8289 transitions. [2022-07-21 14:14:38,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 14:14:38,361 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 16.571428571428573) internal successors, (116), 4 states have internal predecessors, (116), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) Word has length 290 [2022-07-21 14:14:38,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:38,377 INFO L225 Difference]: With dead ends: 5897 [2022-07-21 14:14:38,377 INFO L226 Difference]: Without dead ends: 3190 [2022-07-21 14:14:38,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2022-07-21 14:14:38,386 INFO L413 NwaCegarLoop]: 2167 mSDtfsCounter, 1939 mSDsluCounter, 6558 mSDsCounter, 0 mSdLazyCounter, 8074 mSolverCounterSat, 2118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2047 SdHoareTripleChecker+Valid, 8725 SdHoareTripleChecker+Invalid, 10192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2118 IncrementalHoareTripleChecker+Valid, 8074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:38,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2047 Valid, 8725 Invalid, 10192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2118 Valid, 8074 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-21 14:14:38,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3190 states. [2022-07-21 14:14:38,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3190 to 2946. [2022-07-21 14:14:38,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2063 states have (on average 1.2709646146388753) internal successors, (2622), 2138 states have internal predecessors, (2622), 732 states have call successors, (732), 160 states have call predecessors, (732), 150 states have return successors, (747), 691 states have call predecessors, (747), 732 states have call successors, (747) [2022-07-21 14:14:38,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4101 transitions. [2022-07-21 14:14:38,607 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4101 transitions. Word has length 290 [2022-07-21 14:14:38,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:38,608 INFO L495 AbstractCegarLoop]: Abstraction has 2946 states and 4101 transitions. [2022-07-21 14:14:38,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 16.571428571428573) internal successors, (116), 4 states have internal predecessors, (116), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-21 14:14:38,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4101 transitions. [2022-07-21 14:14:38,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-21 14:14:38,613 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:38,614 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-07-21 14:14:38,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-21 14:14:38,614 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:38,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:38,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1618574962, now seen corresponding path program 1 times [2022-07-21 14:14:38,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:14:38,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777278506] [2022-07-21 14:14:38,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:38,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:14:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:14:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:14:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:14:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:14:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:14:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:14:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:14:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-21 14:14:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:38,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-21 14:14:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:14:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 14:14:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-21 14:14:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 14:14:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 14:14:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-21 14:14:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-21 14:14:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:14:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:39,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:14:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 14:14:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-21 14:14:39,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-21 14:14:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:14:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:14:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 14:14:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 14:14:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 14:14:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:39,088 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2022-07-21 14:14:39,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:14:39,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777278506] [2022-07-21 14:14:39,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777278506] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:14:39,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:14:39,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 14:14:39,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278313439] [2022-07-21 14:14:39,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:14:39,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 14:14:39,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:14:39,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 14:14:39,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:14:39,093 INFO L87 Difference]: Start difference. First operand 2946 states and 4101 transitions. Second operand has 8 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-21 14:14:43,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:43,838 INFO L93 Difference]: Finished difference Result 5776 states and 8108 transitions. [2022-07-21 14:14:43,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 14:14:43,841 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) Word has length 288 [2022-07-21 14:14:43,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:43,854 INFO L225 Difference]: With dead ends: 5776 [2022-07-21 14:14:43,854 INFO L226 Difference]: Without dead ends: 3268 [2022-07-21 14:14:43,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2022-07-21 14:14:43,863 INFO L413 NwaCegarLoop]: 2208 mSDtfsCounter, 2025 mSDsluCounter, 5526 mSDsCounter, 0 mSdLazyCounter, 6609 mSolverCounterSat, 2048 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2164 SdHoareTripleChecker+Valid, 7734 SdHoareTripleChecker+Invalid, 8657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2048 IncrementalHoareTripleChecker+Valid, 6609 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:43,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2164 Valid, 7734 Invalid, 8657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2048 Valid, 6609 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-21 14:14:43,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3268 states. [2022-07-21 14:14:44,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3268 to 2950. [2022-07-21 14:14:44,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2950 states, 2066 states have (on average 1.270571151984511) internal successors, (2625), 2141 states have internal predecessors, (2625), 732 states have call successors, (732), 161 states have call predecessors, (732), 151 states have return successors, (746), 691 states have call predecessors, (746), 732 states have call successors, (746) [2022-07-21 14:14:44,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2950 states to 2950 states and 4103 transitions. [2022-07-21 14:14:44,133 INFO L78 Accepts]: Start accepts. Automaton has 2950 states and 4103 transitions. Word has length 288 [2022-07-21 14:14:44,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:44,134 INFO L495 AbstractCegarLoop]: Abstraction has 2950 states and 4103 transitions. [2022-07-21 14:14:44,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-21 14:14:44,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2950 states and 4103 transitions. [2022-07-21 14:14:44,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-07-21 14:14:44,146 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:44,147 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 8, 8, 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, 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] [2022-07-21 14:14:44,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-21 14:14:44,147 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:44,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:44,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1703676627, now seen corresponding path program 1 times [2022-07-21 14:14:44,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:14:44,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904064041] [2022-07-21 14:14:44,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:44,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:14:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:14:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:14:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:14:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:14:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:44,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:44,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:14:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:14:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:14:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 14:14:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 14:14:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 14:14:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 14:14:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:44,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-21 14:14:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 14:14:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:14:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:14:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 14:14:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:14:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:14:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-21 14:14:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:14:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-21 14:14:44,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 14:14:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:14:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:14:44,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-21 14:14:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 14:14:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 14:14:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-21 14:14:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 14:14:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-21 14:14:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 14:14:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-21 14:14:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-21 14:14:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 14:14:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 14:14:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 14:14:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-21 14:14:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:44,559 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2022-07-21 14:14:44,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:14:44,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904064041] [2022-07-21 14:14:44,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904064041] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:14:44,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:14:44,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 14:14:44,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309981601] [2022-07-21 14:14:44,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:14:44,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 14:14:44,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:14:44,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 14:14:44,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:14:44,562 INFO L87 Difference]: Start difference. First operand 2950 states and 4103 transitions. Second operand has 8 states, 8 states have (on average 24.0) internal successors, (192), 3 states have internal predecessors, (192), 3 states have call successors, (50), 7 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 3 states have call successors, (49) [2022-07-21 14:14:48,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:48,565 INFO L93 Difference]: Finished difference Result 6144 states and 8583 transitions. [2022-07-21 14:14:48,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 14:14:48,566 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 24.0) internal successors, (192), 3 states have internal predecessors, (192), 3 states have call successors, (50), 7 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 3 states have call successors, (49) Word has length 386 [2022-07-21 14:14:48,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:48,577 INFO L225 Difference]: With dead ends: 6144 [2022-07-21 14:14:48,578 INFO L226 Difference]: Without dead ends: 3212 [2022-07-21 14:14:48,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-07-21 14:14:48,584 INFO L413 NwaCegarLoop]: 2100 mSDtfsCounter, 2437 mSDsluCounter, 3808 mSDsCounter, 0 mSdLazyCounter, 4074 mSolverCounterSat, 2701 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2544 SdHoareTripleChecker+Valid, 5908 SdHoareTripleChecker+Invalid, 6775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2701 IncrementalHoareTripleChecker+Valid, 4074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:48,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2544 Valid, 5908 Invalid, 6775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2701 Valid, 4074 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-07-21 14:14:48,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3212 states. [2022-07-21 14:14:48,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3212 to 2965. [2022-07-21 14:14:48,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2965 states, 2081 states have (on average 1.2700624699663623) internal successors, (2643), 2156 states have internal predecessors, (2643), 732 states have call successors, (732), 161 states have call predecessors, (732), 151 states have return successors, (746), 691 states have call predecessors, (746), 732 states have call successors, (746) [2022-07-21 14:14:48,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 4121 transitions. [2022-07-21 14:14:48,788 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 4121 transitions. Word has length 386 [2022-07-21 14:14:48,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:48,788 INFO L495 AbstractCegarLoop]: Abstraction has 2965 states and 4121 transitions. [2022-07-21 14:14:48,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 24.0) internal successors, (192), 3 states have internal predecessors, (192), 3 states have call successors, (50), 7 states have call predecessors, (50), 1 states have return successors, (49), 2 states have call predecessors, (49), 3 states have call successors, (49) [2022-07-21 14:14:48,788 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 4121 transitions. [2022-07-21 14:14:48,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2022-07-21 14:14:48,800 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:48,802 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 8, 8, 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, 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] [2022-07-21 14:14:48,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-21 14:14:48,802 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:48,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:48,802 INFO L85 PathProgramCache]: Analyzing trace with hash -335694002, now seen corresponding path program 1 times [2022-07-21 14:14:48,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:14:48,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291460951] [2022-07-21 14:14:48,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:48,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:14:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:48,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:14:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:48,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:48,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 14:14:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:48,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:48,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:48,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:48,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 14:14:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:48,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:48,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:48,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:48,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 14:14:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:48,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:48,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:48,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:48,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 14:14:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:48,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 14:14:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:48,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 14:14:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 14:14:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 14:14:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 14:14:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 14:14:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 14:14:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 14:14:49,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:14:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:14:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:14:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:14:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 14:14:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 14:14:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-21 14:14:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-21 14:14:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-21 14:14:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:14:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:14:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-21 14:14:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-21 14:14:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-21 14:14:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 14:14:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-21 14:14:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:14:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-21 14:14:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 14:14:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-21 14:14:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-21 14:14:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-21 14:14:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-21 14:14:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-21 14:14:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:49,177 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2022-07-21 14:14:49,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:14:49,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291460951] [2022-07-21 14:14:49,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291460951] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 14:14:49,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452167782] [2022-07-21 14:14:49,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:49,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:14:49,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:14:49,179 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 14:14:49,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 14:14:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:50,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 4005 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:14:50,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:14:50,190 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2022-07-21 14:14:50,191 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:14:50,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452167782] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:14:50,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 14:14:50,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-21 14:14:50,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175324448] [2022-07-21 14:14:50,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:14:50,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:14:50,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:14:50,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:14:50,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-21 14:14:50,192 INFO L87 Difference]: Start difference. First operand 2965 states and 4121 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-21 14:14:50,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:50,391 INFO L93 Difference]: Finished difference Result 5091 states and 7099 transitions. [2022-07-21 14:14:50,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:14:50,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) Word has length 390 [2022-07-21 14:14:50,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:50,393 INFO L225 Difference]: With dead ends: 5091 [2022-07-21 14:14:50,393 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 14:14:50,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-21 14:14:50,404 INFO L413 NwaCegarLoop]: 2481 mSDtfsCounter, 838 mSDsluCounter, 1576 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 838 SdHoareTripleChecker+Valid, 4057 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:50,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [838 Valid, 4057 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 14:14:50,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 14:14:50,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 14:14:50,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 14:14:50,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 14:14:50,405 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 390 [2022-07-21 14:14:50,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:50,405 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 14:14:50,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 2 states have call successors, (50), 2 states have call predecessors, (50), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-21 14:14:50,406 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 14:14:50,406 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 14:14:50,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 14:14:50,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 14:14:50,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:14:50,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.