./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 791161d1 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-?-791161d [2022-07-23 02:56:29,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:56:29,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:56:29,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:56:29,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:56:29,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:56:29,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:56:29,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:56:29,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:56:29,248 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:56:29,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:56:29,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:56:29,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:56:29,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:56:29,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:56:29,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:56:29,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:56:29,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:56:29,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:56:29,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:56:29,271 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:56:29,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:56:29,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:56:29,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:56:29,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:56:29,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:56:29,281 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:56:29,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:56:29,282 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:56:29,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:56:29,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:56:29,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:56:29,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:56:29,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:56:29,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:56:29,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:56:29,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:56:29,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:56:29,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:56:29,289 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:56:29,290 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:56:29,291 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:56:29,292 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:56:29,321 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:56:29,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:56:29,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:56:29,322 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:56:29,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:56:29,323 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:56:29,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:56:29,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:56:29,324 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:56:29,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:56:29,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:56:29,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:56:29,325 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:56:29,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:56:29,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:56:29,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:56:29,326 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:56:29,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:56:29,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:56:29,327 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:56:29,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:56:29,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:56:29,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:56:29,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:56:29,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:56:29,328 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:56:29,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:56:29,328 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:56:29,329 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:56:29,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:56:29,329 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e184773994bf5ba427e3ad6843df80bcf1aa90cb50c2ace36ee6ac9939c1f916 [2022-07-23 02:56:29,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:56:29,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:56:29,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:56:29,581 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:56:29,582 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:56:29,583 INFO L432 ainManager$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 [2022-07-23 02:56:29,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1bb1bf3f/ca8e7e2817604de6a6fe0e3c143829d6/FLAG4250a64fe [2022-07-23 02:56:30,445 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:56:30,445 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 [2022-07-23 02:56:30,499 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1bb1bf3f/ca8e7e2817604de6a6fe0e3c143829d6/FLAG4250a64fe [2022-07-23 02:56:30,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1bb1bf3f/ca8e7e2817604de6a6fe0e3c143829d6 [2022-07-23 02:56:30,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:56:30,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:56:30,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:56:30,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:56:30,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:56:30,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:56:30" (1/1) ... [2022-07-23 02:56:30,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b27c378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:30, skipping insertion in model container [2022-07-23 02:56:30,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:56:30" (1/1) ... [2022-07-23 02:56:30,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:56:31,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:56:33,214 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] [2022-07-23 02:56:33,216 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] [2022-07-23 02:56:33,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:56:33,281 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:56:33,642 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] [2022-07-23 02:56:33,642 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] [2022-07-23 02:56:33,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:56:33,812 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:56:33,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:33 WrapperNode [2022-07-23 02:56:33,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:56:33,815 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:56:33,815 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:56:33,815 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:56:33,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:33" (1/1) ... [2022-07-23 02:56:33,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:33" (1/1) ... [2022-07-23 02:56:34,160 INFO L137 Inliner]: procedures = 430, calls = 2141, calls flagged for inlining = 204, calls inlined = 189, statements flattened = 5063 [2022-07-23 02:56:34,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:56:34,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:56:34,173 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:56:34,173 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:56:34,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:33" (1/1) ... [2022-07-23 02:56:34,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:33" (1/1) ... [2022-07-23 02:56:34,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:33" (1/1) ... [2022-07-23 02:56:34,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:33" (1/1) ... [2022-07-23 02:56:34,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:33" (1/1) ... [2022-07-23 02:56:34,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:33" (1/1) ... [2022-07-23 02:56:34,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:33" (1/1) ... [2022-07-23 02:56:34,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:56:34,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:56:34,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:56:34,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:56:34,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:33" (1/1) ... [2022-07-23 02:56:34,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:56:34,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:56:34,480 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) [2022-07-23 02:56:34,495 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 [2022-07-23 02:56:34,522 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-23 02:56:34,523 INFO L130 BoogieDeclarations]: Found specification of procedure BB_GET_BIT2 [2022-07-23 02:56:34,523 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_GET_BIT2 [2022-07-23 02:56:34,523 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-23 02:56:34,523 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-23 02:56:34,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 02:56:34,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 02:56:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 02:56:34,524 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 02:56:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_open [2022-07-23 02:56:34,524 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_open [2022-07-23 02:56:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_poll_stop [2022-07-23 02:56:34,524 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_poll_stop [2022-07-23 02:56:34,524 INFO L130 BoogieDeclarations]: Found specification of procedure is_quattro_p [2022-07-23 02:56:34,525 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quattro_p [2022-07-23 02:56:34,525 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 02:56:34,525 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 02:56:34,525 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_close [2022-07-23 02:56:34,525 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_close [2022-07-23 02:56:34,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:56:34,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:56:34,526 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-23 02:56:34,526 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-23 02:56:34,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_87 [2022-07-23 02:56:34,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_87 [2022-07-23 02:56:34,526 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_set_multicast [2022-07-23 02:56:34,526 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_set_multicast [2022-07-23 02:56:34,527 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 02:56:34,527 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 02:56:34,527 INFO L130 BoogieDeclarations]: Found specification of procedure BB_PUT_BIT [2022-07-23 02:56:34,527 INFO L138 BoogieDeclarations]: Found implementation of procedure BB_PUT_BIT [2022-07-23 02:56:34,527 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-23 02:56:34,527 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-23 02:56:34,527 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_begin_auto_negotiation [2022-07-23 02:56:34,528 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_begin_auto_negotiation [2022-07-23 02:56:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_get_counters [2022-07-23 02:56:34,528 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_get_counters [2022-07-23 02:56:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_happy_lock_of_happy_meal [2022-07-23 02:56:34,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_happy_lock_of_happy_meal [2022-07-23 02:56:34,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:56:34,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:56:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 02:56:34,529 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 02:56:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 02:56:34,529 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 02:56:34,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-07-23 02:56:34,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-07-23 02:56:34,530 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 02:56:34,530 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 02:56:34,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:56:34,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:56:34,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:56:34,531 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 02:56:34,531 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 02:56:34,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2022-07-23 02:56:34,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_happy_lock_of_happy_meal [2022-07-23 02:56:34,532 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 02:56:34,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 02:56:34,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 02:56:34,533 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 02:56:34,533 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 02:56:34,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 02:56:34,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:56:34,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:56:34,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 02:56:34,534 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 02:56:34,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 02:56:34,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-23 02:56:34,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-23 02:56:34,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 02:56:34,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 02:56:34,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 02:56:34,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 02:56:34,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:56:34,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:56:34,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 02:56:34,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 02:56:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure set_happy_link_modes [2022-07-23 02:56:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure set_happy_link_modes [2022-07-23 02:56:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_reset [2022-07-23 02:56:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_reset [2022-07-23 02:56:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:56:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tx_timeout [2022-07-23 02:56:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tx_timeout [2022-07-23 02:56:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-23 02:56:34,572 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-23 02:56:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:56:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_read [2022-07-23 02:56:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_read [2022-07-23 02:56:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:56:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:56:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 02:56:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 02:56:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:56:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:56:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:56:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 02:56:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 02:56:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-23 02:56:34,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-23 02:56:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-23 02:56:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-23 02:56:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-23 02:56:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-23 02:56:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-23 02:56:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-23 02:56:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 02:56:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 02:56:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-23 02:56:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-23 02:56:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 02:56:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 02:56:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-23 02:56:34,574 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-23 02:56:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure is_lucent_phy [2022-07-23 02:56:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure is_lucent_phy [2022-07-23 02:56:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:56:34,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:56:34,575 INFO L130 BoogieDeclarations]: Found specification of procedure hme_read_desc32 [2022-07-23 02:56:34,576 INFO L138 BoogieDeclarations]: Found implementation of procedure hme_read_desc32 [2022-07-23 02:56:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-23 02:56:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-23 02:56:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:56:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_clean_rings [2022-07-23 02:56:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_clean_rings [2022-07-23 02:56:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:56:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:56:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:56:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 02:56:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 02:56:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-23 02:56:34,577 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-23 02:56:34,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 02:56:34,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 02:56:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 02:56:34,578 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 02:56:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 02:56:34,578 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 02:56:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-23 02:56:34,578 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-23 02:56:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-23 02:56:34,578 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-23 02:56:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-23 02:56:34,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-23 02:56:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:56:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:56:34,578 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-23 02:56:34,579 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-23 02:56:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_86 [2022-07-23 02:56:34,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_86 [2022-07-23 02:56:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:56:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-23 02:56:34,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-23 02:56:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_stop [2022-07-23 02:56:34,579 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_stop [2022-07-23 02:56:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:56:34,579 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:56:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:56:34,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:56:34,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-23 02:56:34,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-23 02:56:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_pci_remove [2022-07-23 02:56:34,580 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_pci_remove [2022-07-23 02:56:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_init [2022-07-23 02:56:34,580 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_init [2022-07-23 02:56:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 02:56:34,580 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 02:56:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 02:56:34,580 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 02:56:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_tcvr_write [2022-07-23 02:56:34,580 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_tcvr_write [2022-07-23 02:56:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 02:56:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:56:34,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:56:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-23 02:56:34,581 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-23 02:56:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:56:34,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:56:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-23 02:56:34,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-23 02:56:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-07-23 02:56:34,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-07-23 02:56:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-23 02:56:34,581 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-23 02:56:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 02:56:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-23 02:56:34,581 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-23 02:56:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:56:34,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:56:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-07-23 02:56:34,582 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-07-23 02:56:34,582 INFO L130 BoogieDeclarations]: Found specification of procedure happy_meal_transceiver_check [2022-07-23 02:56:34,582 INFO L138 BoogieDeclarations]: Found implementation of procedure happy_meal_transceiver_check [2022-07-23 02:56:35,327 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:56:35,331 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:56:35,938 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:56:40,471 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:56:40,489 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:56:40,489 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 02:56:40,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:56:40 BoogieIcfgContainer [2022-07-23 02:56:40,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:56:40,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:56:40,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:56:40,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:56:40,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:56:30" (1/3) ... [2022-07-23 02:56:40,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c90d272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:56:40, skipping insertion in model container [2022-07-23 02:56:40,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:56:33" (2/3) ... [2022-07-23 02:56:40,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c90d272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:56:40, skipping insertion in model container [2022-07-23 02:56:40,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:56:40" (3/3) ... [2022-07-23 02:56:40,500 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-sun-sunhme.cil.i [2022-07-23 02:56:40,513 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:56:40,513 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 02:56:40,588 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:56:40,593 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@5e29abd9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@48780c78 [2022-07-23 02:56:40,594 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 02:56:40,608 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) [2022-07-23 02:56:40,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-23 02:56:40,626 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:56:40,627 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] [2022-07-23 02:56:40,627 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:56:40,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:56:40,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1416901098, now seen corresponding path program 1 times [2022-07-23 02:56:40,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:56:40,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969583109] [2022-07-23 02:56:40,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:56:40,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:56:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:41,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:56:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:41,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:56:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:41,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:56:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:41,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:56:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:41,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:56:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:41,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:56:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:41,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:56:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:41,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:56:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:41,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:56:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:41,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:56:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:41,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:56:41,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:41,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:56:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:41,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:56:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:41,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:56:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:41,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:56:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:41,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:56:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:41,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:56:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:41,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 02:56:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:41,405 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-23 02:56:41,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:56:41,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969583109] [2022-07-23 02:56:41,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969583109] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:56:41,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:56:41,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:56:41,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836802830] [2022-07-23 02:56:41,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:56:41,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:56:41,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:56:41,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:56:41,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:56:41,450 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) [2022-07-23 02:56:45,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:56:45,236 INFO L93 Difference]: Finished difference Result 4023 states and 6010 transitions. [2022-07-23 02:56:45,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:56:45,239 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 [2022-07-23 02:56:45,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:56:45,277 INFO L225 Difference]: With dead ends: 4023 [2022-07-23 02:56:45,277 INFO L226 Difference]: Without dead ends: 1934 [2022-07-23 02:56:45,307 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 [2022-07-23 02:56:45,311 INFO L413 NwaCegarLoop]: 2465 mSDtfsCounter, 1255 mSDsluCounter, 1821 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 1464 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1356 SdHoareTripleChecker+Valid, 4286 SdHoareTripleChecker+Invalid, 3066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1464 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:56:45,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1356 Valid, 4286 Invalid, 3066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1464 Valid, 1602 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-23 02:56:45,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-07-23 02:56:45,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1809. [2022-07-23 02:56:45,503 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) [2022-07-23 02:56:45,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2554 transitions. [2022-07-23 02:56:45,524 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2554 transitions. Word has length 120 [2022-07-23 02:56:45,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:56:45,526 INFO L495 AbstractCegarLoop]: Abstraction has 1809 states and 2554 transitions. [2022-07-23 02:56:45,527 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) [2022-07-23 02:56:45,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2554 transitions. [2022-07-23 02:56:45,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-07-23 02:56:45,533 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:56:45,533 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] [2022-07-23 02:56:45,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 02:56:45,534 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:56:45,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:56:45,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1833459386, now seen corresponding path program 1 times [2022-07-23 02:56:45,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:56:45,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024576654] [2022-07-23 02:56:45,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:56:45,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:56:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:45,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:56:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:45,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:56:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:45,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:56:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:45,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:56:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:45,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:56:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:45,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:56:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:45,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:56:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:45,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:56:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:45,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:56:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:45,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:56:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:45,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:56:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:45,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:56:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:45,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:56:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:45,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:56:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:45,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:56:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:45,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:56:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:45,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:56:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:46,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:56:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:46,016 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-23 02:56:46,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:56:46,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024576654] [2022-07-23 02:56:46,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024576654] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:56:46,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:56:46,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:56:46,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855962836] [2022-07-23 02:56:46,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:56:46,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:56:46,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:56:46,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:56:46,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:56:46,021 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) [2022-07-23 02:56:50,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:56:50,576 INFO L93 Difference]: Finished difference Result 3723 states and 5283 transitions. [2022-07-23 02:56:50,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:56:50,577 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 [2022-07-23 02:56:50,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:56:50,595 INFO L225 Difference]: With dead ends: 3723 [2022-07-23 02:56:50,596 INFO L226 Difference]: Without dead ends: 1934 [2022-07-23 02:56:50,607 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 [2022-07-23 02:56:50,609 INFO L413 NwaCegarLoop]: 2247 mSDtfsCounter, 3125 mSDsluCounter, 2610 mSDsCounter, 0 mSdLazyCounter, 3087 mSolverCounterSat, 1935 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s 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, 4.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:56:50,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3399 Valid, 4857 Invalid, 5022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1935 Valid, 3087 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-23 02:56:50,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-07-23 02:56:50,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1809. [2022-07-23 02:56:50,685 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) [2022-07-23 02:56:50,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2553 transitions. [2022-07-23 02:56:50,698 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2553 transitions. Word has length 121 [2022-07-23 02:56:50,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:56:50,703 INFO L495 AbstractCegarLoop]: Abstraction has 1809 states and 2553 transitions. [2022-07-23 02:56:50,703 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) [2022-07-23 02:56:50,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2553 transitions. [2022-07-23 02:56:50,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-07-23 02:56:50,709 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:56:50,709 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] [2022-07-23 02:56:50,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 02:56:50,710 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:56:50,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:56:50,711 INFO L85 PathProgramCache]: Analyzing trace with hash 769657438, now seen corresponding path program 1 times [2022-07-23 02:56:50,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:56:50,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63075916] [2022-07-23 02:56:50,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:56:50,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:56:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:50,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:56:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:50,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:56:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:50,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:56:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:50,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:56:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:50,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:56:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:50,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:56:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:50,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:56:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:50,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:56:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:50,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:56:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:50,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:56:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:51,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:56:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:51,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:56:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:51,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:56:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:51,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:56:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:51,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:56:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:56:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:51,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:56:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:51,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:56:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:51,136 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-23 02:56:51,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:56:51,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63075916] [2022-07-23 02:56:51,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63075916] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:56:51,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:56:51,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:56:51,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983923175] [2022-07-23 02:56:51,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:56:51,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:56:51,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:56:51,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:56:51,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:56:51,140 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) [2022-07-23 02:56:56,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:56:56,265 INFO L93 Difference]: Finished difference Result 3723 states and 5281 transitions. [2022-07-23 02:56:56,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:56:56,265 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 [2022-07-23 02:56:56,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:56:56,284 INFO L225 Difference]: With dead ends: 3723 [2022-07-23 02:56:56,284 INFO L226 Difference]: Without dead ends: 1934 [2022-07-23 02:56:56,299 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 [2022-07-23 02:56:56,304 INFO L413 NwaCegarLoop]: 2247 mSDtfsCounter, 4487 mSDsluCounter, 2612 mSDsCounter, 0 mSdLazyCounter, 3088 mSolverCounterSat, 3575 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s 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, 4.8s IncrementalHoareTripleChecker+Time [2022-07-23 02:56:56,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4487 Valid, 4859 Invalid, 6663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3575 Valid, 3088 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-23 02:56:56,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-07-23 02:56:56,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1809. [2022-07-23 02:56:56,408 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) [2022-07-23 02:56:56,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2552 transitions. [2022-07-23 02:56:56,421 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2552 transitions. Word has length 122 [2022-07-23 02:56:56,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:56:56,421 INFO L495 AbstractCegarLoop]: Abstraction has 1809 states and 2552 transitions. [2022-07-23 02:56:56,421 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) [2022-07-23 02:56:56,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2552 transitions. [2022-07-23 02:56:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-23 02:56:56,426 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:56:56,426 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] [2022-07-23 02:56:56,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 02:56:56,426 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:56:56,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:56:56,427 INFO L85 PathProgramCache]: Analyzing trace with hash -23583038, now seen corresponding path program 1 times [2022-07-23 02:56:56,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:56:56,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329700050] [2022-07-23 02:56:56,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:56:56,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:56:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:56,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:56:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:56,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:56:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:56,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:56:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:56,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:56:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:56,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:56:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:56,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:56:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:56,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:56:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:56,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:56:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:56,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:56:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:56,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:56:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:56,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:56:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:56,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:56:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:56,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:56:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:56,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:56:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:56,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:56:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:56,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:56:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:56,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:56:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:56,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:56:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:56:56,832 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-23 02:56:56,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:56:56,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329700050] [2022-07-23 02:56:56,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329700050] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:56:56,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:56:56,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:56:56,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674116184] [2022-07-23 02:56:56,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:56:56,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:56:56,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:56:56,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:56:56,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:56:56,836 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) [2022-07-23 02:57:01,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:57:01,226 INFO L93 Difference]: Finished difference Result 3723 states and 5279 transitions. [2022-07-23 02:57:01,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:57:01,227 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 [2022-07-23 02:57:01,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:57:01,249 INFO L225 Difference]: With dead ends: 3723 [2022-07-23 02:57:01,249 INFO L226 Difference]: Without dead ends: 1934 [2022-07-23 02:57:01,259 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 [2022-07-23 02:57:01,264 INFO L413 NwaCegarLoop]: 2246 mSDtfsCounter, 4484 mSDsluCounter, 2612 mSDsCounter, 0 mSdLazyCounter, 3088 mSolverCounterSat, 3573 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s 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, 4.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:57:01,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4484 Valid, 4858 Invalid, 6661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3573 Valid, 3088 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-23 02:57:01,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-07-23 02:57:01,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1809. [2022-07-23 02:57:01,403 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) [2022-07-23 02:57:01,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2551 transitions. [2022-07-23 02:57:01,412 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2551 transitions. Word has length 123 [2022-07-23 02:57:01,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:57:01,413 INFO L495 AbstractCegarLoop]: Abstraction has 1809 states and 2551 transitions. [2022-07-23 02:57:01,414 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) [2022-07-23 02:57:01,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2551 transitions. [2022-07-23 02:57:01,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-07-23 02:57:01,416 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:57:01,416 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] [2022-07-23 02:57:01,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 02:57:01,416 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:57:01,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:57:01,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1270282586, now seen corresponding path program 1 times [2022-07-23 02:57:01,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:57:01,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525399914] [2022-07-23 02:57:01,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:57:01,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:57:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:01,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:57:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:01,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:01,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:57:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:01,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:01,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:01,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:01,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:57:01,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:01,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:01,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:01,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:01,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:57:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:01,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:01,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:01,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:01,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:57:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:01,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:57:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:01,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:57:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:01,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:57:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:01,713 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-23 02:57:01,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:57:01,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525399914] [2022-07-23 02:57:01,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525399914] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:57:01,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:57:01,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:57:01,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106179206] [2022-07-23 02:57:01,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:57:01,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:57:01,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:57:01,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:57:01,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:57:01,716 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) [2022-07-23 02:57:06,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:57:06,137 INFO L93 Difference]: Finished difference Result 3723 states and 5277 transitions. [2022-07-23 02:57:06,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:57:06,138 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 [2022-07-23 02:57:06,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:57:06,154 INFO L225 Difference]: With dead ends: 3723 [2022-07-23 02:57:06,154 INFO L226 Difference]: Without dead ends: 1934 [2022-07-23 02:57:06,166 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 [2022-07-23 02:57:06,167 INFO L413 NwaCegarLoop]: 2244 mSDtfsCounter, 4477 mSDsluCounter, 2610 mSDsCounter, 0 mSdLazyCounter, 3085 mSolverCounterSat, 3577 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 4.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:57:06,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4477 Valid, 4854 Invalid, 6662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3577 Valid, 3085 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-23 02:57:06,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-07-23 02:57:06,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1809. [2022-07-23 02:57:06,277 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) [2022-07-23 02:57:06,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 2550 transitions. [2022-07-23 02:57:06,287 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 2550 transitions. Word has length 124 [2022-07-23 02:57:06,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:57:06,288 INFO L495 AbstractCegarLoop]: Abstraction has 1809 states and 2550 transitions. [2022-07-23 02:57:06,288 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) [2022-07-23 02:57:06,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2550 transitions. [2022-07-23 02:57:06,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-07-23 02:57:06,290 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:57:06,290 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] [2022-07-23 02:57:06,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 02:57:06,290 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:57:06,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:57:06,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1455039426, now seen corresponding path program 1 times [2022-07-23 02:57:06,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:57:06,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149393480] [2022-07-23 02:57:06,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:57:06,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:57:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:06,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:57:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:06,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:06,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:06,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:57:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:06,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:06,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:06,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:06,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:57:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:06,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:06,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:06,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:06,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:57:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:06,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:06,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:06,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:06,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:06,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:57:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:57:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:06,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:57:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:06,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:57:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:06,645 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-23 02:57:06,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:57:06,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149393480] [2022-07-23 02:57:06,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149393480] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:57:06,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:57:06,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:57:06,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455624658] [2022-07-23 02:57:06,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:57:06,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:57:06,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:57:06,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:57:06,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:57:06,648 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) [2022-07-23 02:57:12,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:57:12,412 INFO L93 Difference]: Finished difference Result 4659 states and 6561 transitions. [2022-07-23 02:57:12,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 02:57:12,413 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 [2022-07-23 02:57:12,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:57:12,432 INFO L225 Difference]: With dead ends: 4659 [2022-07-23 02:57:12,433 INFO L226 Difference]: Without dead ends: 2870 [2022-07-23 02:57:12,441 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 [2022-07-23 02:57:12,442 INFO L413 NwaCegarLoop]: 2847 mSDtfsCounter, 5911 mSDsluCounter, 3871 mSDsCounter, 0 mSdLazyCounter, 4473 mSolverCounterSat, 3599 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6229 SdHoareTripleChecker+Valid, 6718 SdHoareTripleChecker+Invalid, 8072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3599 IncrementalHoareTripleChecker+Valid, 4473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:57:12,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6229 Valid, 6718 Invalid, 8072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3599 Valid, 4473 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-07-23 02:57:12,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2870 states. [2022-07-23 02:57:12,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2870 to 2738. [2022-07-23 02:57:12,592 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) [2022-07-23 02:57:12,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3821 transitions. [2022-07-23 02:57:12,604 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3821 transitions. Word has length 125 [2022-07-23 02:57:12,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:57:12,605 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3821 transitions. [2022-07-23 02:57:12,605 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) [2022-07-23 02:57:12,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3821 transitions. [2022-07-23 02:57:12,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-23 02:57:12,607 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:57:12,607 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] [2022-07-23 02:57:12,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 02:57:12,607 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:57:12,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:57:12,608 INFO L85 PathProgramCache]: Analyzing trace with hash 73840726, now seen corresponding path program 1 times [2022-07-23 02:57:12,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:57:12,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695520252] [2022-07-23 02:57:12,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:57:12,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:57:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:12,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:57:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:12,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:12,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:57:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:12,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:12,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:12,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:12,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:57:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:12,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:12,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:12,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:12,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:57:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:12,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:12,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:12,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:12,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:57:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:12,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:57:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:12,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:57:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:12,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:57:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:12,919 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-23 02:57:12,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:57:12,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695520252] [2022-07-23 02:57:12,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695520252] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:57:12,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:57:12,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:57:12,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460317208] [2022-07-23 02:57:12,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:57:12,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:57:12,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:57:12,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:57:12,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:57:12,922 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) [2022-07-23 02:57:17,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:57:17,213 INFO L93 Difference]: Finished difference Result 5582 states and 7856 transitions. [2022-07-23 02:57:17,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:57:17,214 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 [2022-07-23 02:57:17,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:57:17,236 INFO L225 Difference]: With dead ends: 5582 [2022-07-23 02:57:17,237 INFO L226 Difference]: Without dead ends: 2864 [2022-07-23 02:57:17,253 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 [2022-07-23 02:57:17,255 INFO L413 NwaCegarLoop]: 2251 mSDtfsCounter, 4463 mSDsluCounter, 2619 mSDsCounter, 0 mSdLazyCounter, 3094 mSolverCounterSat, 3563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 4.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:57:17,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4463 Valid, 4870 Invalid, 6657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3563 Valid, 3094 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-23 02:57:17,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-23 02:57:17,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-23 02:57:17,442 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) [2022-07-23 02:57:17,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3818 transitions. [2022-07-23 02:57:17,457 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3818 transitions. Word has length 126 [2022-07-23 02:57:17,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:57:17,457 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3818 transitions. [2022-07-23 02:57:17,458 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) [2022-07-23 02:57:17,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3818 transitions. [2022-07-23 02:57:17,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-07-23 02:57:17,460 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:57:17,460 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] [2022-07-23 02:57:17,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 02:57:17,461 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:57:17,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:57:17,461 INFO L85 PathProgramCache]: Analyzing trace with hash 339001786, now seen corresponding path program 1 times [2022-07-23 02:57:17,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:57:17,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708269217] [2022-07-23 02:57:17,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:57:17,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:57:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:17,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:57:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:17,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:17,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:57:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:17,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:17,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:17,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:17,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:57:17,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:17,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:17,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:17,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:57:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:17,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:17,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:17,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:17,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:57:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:17,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:57:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:17,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:57:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:17,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:57:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:17,853 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-23 02:57:17,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:57:17,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708269217] [2022-07-23 02:57:17,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708269217] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:57:17,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:57:17,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:57:17,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814582569] [2022-07-23 02:57:17,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:57:17,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:57:17,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:57:17,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:57:17,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:57:17,856 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) [2022-07-23 02:57:22,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:57:22,179 INFO L93 Difference]: Finished difference Result 5582 states and 7850 transitions. [2022-07-23 02:57:22,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:57:22,180 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 [2022-07-23 02:57:22,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:57:22,197 INFO L225 Difference]: With dead ends: 5582 [2022-07-23 02:57:22,197 INFO L226 Difference]: Without dead ends: 2864 [2022-07-23 02:57:22,206 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 [2022-07-23 02:57:22,206 INFO L413 NwaCegarLoop]: 2251 mSDtfsCounter, 4456 mSDsluCounter, 2621 mSDsCounter, 0 mSdLazyCounter, 3093 mSolverCounterSat, 3563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4456 SdHoareTripleChecker+Valid, 4872 SdHoareTripleChecker+Invalid, 6656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3563 IncrementalHoareTripleChecker+Valid, 3093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:57:22,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4456 Valid, 4872 Invalid, 6656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3563 Valid, 3093 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-23 02:57:22,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-23 02:57:22,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-23 02:57:22,361 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) [2022-07-23 02:57:22,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3815 transitions. [2022-07-23 02:57:22,374 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3815 transitions. Word has length 127 [2022-07-23 02:57:22,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:57:22,374 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3815 transitions. [2022-07-23 02:57:22,374 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) [2022-07-23 02:57:22,374 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3815 transitions. [2022-07-23 02:57:22,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-23 02:57:22,376 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:57:22,376 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] [2022-07-23 02:57:22,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 02:57:22,377 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:57:22,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:57:22,378 INFO L85 PathProgramCache]: Analyzing trace with hash 83576658, now seen corresponding path program 1 times [2022-07-23 02:57:22,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:57:22,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511456542] [2022-07-23 02:57:22,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:57:22,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:57:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:22,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:57:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:22,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:22,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:57:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:22,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:22,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:22,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:22,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:22,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:57:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:22,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:22,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:22,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:22,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:57:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:22,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:22,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:22,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:22,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:57:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:22,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:57:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:22,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:57:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:22,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:57:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:22,650 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-23 02:57:22,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:57:22,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511456542] [2022-07-23 02:57:22,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511456542] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:57:22,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:57:22,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:57:22,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873448991] [2022-07-23 02:57:22,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:57:22,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:57:22,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:57:22,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:57:22,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:57:22,653 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) [2022-07-23 02:57:27,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:57:27,032 INFO L93 Difference]: Finished difference Result 5582 states and 7844 transitions. [2022-07-23 02:57:27,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:57:27,033 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 [2022-07-23 02:57:27,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:57:27,052 INFO L225 Difference]: With dead ends: 5582 [2022-07-23 02:57:27,052 INFO L226 Difference]: Without dead ends: 2864 [2022-07-23 02:57:27,064 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 [2022-07-23 02:57:27,065 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, 4.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:57:27,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4465 Valid, 4847 Invalid, 6661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3579 Valid, 3082 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-23 02:57:27,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-23 02:57:27,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-23 02:57:27,241 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) [2022-07-23 02:57:27,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3812 transitions. [2022-07-23 02:57:27,254 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3812 transitions. Word has length 128 [2022-07-23 02:57:27,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:57:27,255 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3812 transitions. [2022-07-23 02:57:27,255 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) [2022-07-23 02:57:27,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3812 transitions. [2022-07-23 02:57:27,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-07-23 02:57:27,257 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:57:27,257 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] [2022-07-23 02:57:27,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 02:57:27,258 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:57:27,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:57:27,258 INFO L85 PathProgramCache]: Analyzing trace with hash 869848886, now seen corresponding path program 1 times [2022-07-23 02:57:27,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:57:27,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386233180] [2022-07-23 02:57:27,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:57:27,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:57:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:27,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:57:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:27,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:27,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:57:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:27,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:27,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:27,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:27,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:57:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:27,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:27,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:27,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:27,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:57:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:27,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:27,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:27,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:27,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:57:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:27,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:57:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:27,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:57:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:27,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:57:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:27,517 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-23 02:57:27,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:57:27,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386233180] [2022-07-23 02:57:27,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386233180] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:57:27,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:57:27,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:57:27,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321897732] [2022-07-23 02:57:27,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:57:27,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:57:27,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:57:27,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:57:27,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:57:27,520 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) [2022-07-23 02:57:31,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:57:31,843 INFO L93 Difference]: Finished difference Result 5582 states and 7838 transitions. [2022-07-23 02:57:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:57:31,843 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 [2022-07-23 02:57:31,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:57:31,862 INFO L225 Difference]: With dead ends: 5582 [2022-07-23 02:57:31,862 INFO L226 Difference]: Without dead ends: 2864 [2022-07-23 02:57:31,872 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 [2022-07-23 02:57:31,873 INFO L413 NwaCegarLoop]: 2240 mSDtfsCounter, 4458 mSDsluCounter, 2608 mSDsCounter, 0 mSdLazyCounter, 3084 mSolverCounterSat, 3575 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 4.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:57:31,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4458 Valid, 4848 Invalid, 6659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3575 Valid, 3084 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-23 02:57:31,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-23 02:57:32,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-23 02:57:32,036 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) [2022-07-23 02:57:32,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3809 transitions. [2022-07-23 02:57:32,049 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3809 transitions. Word has length 129 [2022-07-23 02:57:32,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:57:32,049 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3809 transitions. [2022-07-23 02:57:32,050 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) [2022-07-23 02:57:32,050 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3809 transitions. [2022-07-23 02:57:32,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-07-23 02:57:32,052 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:57:32,052 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] [2022-07-23 02:57:32,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 02:57:32,053 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:57:32,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:57:32,053 INFO L85 PathProgramCache]: Analyzing trace with hash -410999218, now seen corresponding path program 1 times [2022-07-23 02:57:32,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:57:32,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558862242] [2022-07-23 02:57:32,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:57:32,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:57:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:32,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:57:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:32,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:32,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:57:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:32,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:32,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:32,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:32,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:57:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:32,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:32,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:32,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:32,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:57:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:32,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:32,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:32,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:32,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:57:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:32,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:57:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:32,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:57:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:32,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:57:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:32,330 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-23 02:57:32,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:57:32,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558862242] [2022-07-23 02:57:32,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558862242] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:57:32,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:57:32,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:57:32,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296808561] [2022-07-23 02:57:32,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:57:32,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:57:32,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:57:32,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:57:32,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:57:32,334 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) [2022-07-23 02:57:36,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:57:36,567 INFO L93 Difference]: Finished difference Result 5582 states and 7832 transitions. [2022-07-23 02:57:36,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:57:36,568 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 [2022-07-23 02:57:36,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:57:36,585 INFO L225 Difference]: With dead ends: 5582 [2022-07-23 02:57:36,585 INFO L226 Difference]: Without dead ends: 2864 [2022-07-23 02:57:36,595 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 [2022-07-23 02:57:36,596 INFO L413 NwaCegarLoop]: 2241 mSDtfsCounter, 4449 mSDsluCounter, 2612 mSDsCounter, 0 mSdLazyCounter, 3081 mSolverCounterSat, 3573 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4449 SdHoareTripleChecker+Valid, 4853 SdHoareTripleChecker+Invalid, 6654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3573 IncrementalHoareTripleChecker+Valid, 3081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:57:36,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4449 Valid, 4853 Invalid, 6654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3573 Valid, 3081 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-23 02:57:36,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-23 02:57:36,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-23 02:57:36,745 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) [2022-07-23 02:57:36,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3806 transitions. [2022-07-23 02:57:36,759 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3806 transitions. Word has length 130 [2022-07-23 02:57:36,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:57:36,759 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3806 transitions. [2022-07-23 02:57:36,759 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) [2022-07-23 02:57:36,760 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3806 transitions. [2022-07-23 02:57:36,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-07-23 02:57:36,761 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:57:36,761 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] [2022-07-23 02:57:36,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-23 02:57:36,762 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:57:36,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:57:36,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1348068174, now seen corresponding path program 1 times [2022-07-23 02:57:36,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:57:36,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458867279] [2022-07-23 02:57:36,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:57:36,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:57:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:36,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:57:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:36,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:36,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:57:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:36,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:36,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:36,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:36,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:36,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:57:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:36,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:36,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:36,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:36,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:57:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:36,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:36,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:36,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:36,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:57:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:36,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:57:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:36,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:57:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:36,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:57:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:36,995 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-23 02:57:36,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:57:36,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458867279] [2022-07-23 02:57:36,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458867279] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:57:36,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:57:36,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:57:36,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290793575] [2022-07-23 02:57:36,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:57:36,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:57:36,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:57:36,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:57:36,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:57:36,997 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) [2022-07-23 02:57:41,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:57:41,449 INFO L93 Difference]: Finished difference Result 5582 states and 7826 transitions. [2022-07-23 02:57:41,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:57:41,450 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 [2022-07-23 02:57:41,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:57:41,465 INFO L225 Difference]: With dead ends: 5582 [2022-07-23 02:57:41,465 INFO L226 Difference]: Without dead ends: 2864 [2022-07-23 02:57:41,478 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 [2022-07-23 02:57:41,479 INFO L413 NwaCegarLoop]: 2241 mSDtfsCounter, 4442 mSDsluCounter, 2615 mSDsCounter, 0 mSdLazyCounter, 3084 mSolverCounterSat, 3573 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s 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, 4.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:57:41,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4442 Valid, 4856 Invalid, 6657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3573 Valid, 3084 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-07-23 02:57:41,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-23 02:57:41,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-23 02:57:41,649 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) [2022-07-23 02:57:41,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3803 transitions. [2022-07-23 02:57:41,662 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3803 transitions. Word has length 131 [2022-07-23 02:57:41,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:57:41,663 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3803 transitions. [2022-07-23 02:57:41,663 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) [2022-07-23 02:57:41,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3803 transitions. [2022-07-23 02:57:41,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-07-23 02:57:41,665 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:57:41,665 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] [2022-07-23 02:57:41,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-23 02:57:41,665 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:57:41,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:57:41,666 INFO L85 PathProgramCache]: Analyzing trace with hash -217918134, now seen corresponding path program 1 times [2022-07-23 02:57:41,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:57:41,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428847886] [2022-07-23 02:57:41,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:57:41,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:57:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:41,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:57:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:41,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:41,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:57:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:41,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:41,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:41,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:41,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:41,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:57:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:41,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:41,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:41,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:41,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:57:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:41,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:41,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:41,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:41,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:57:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:41,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:57:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:41,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:57:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:41,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:57:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:41,926 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-23 02:57:41,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:57:41,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428847886] [2022-07-23 02:57:41,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428847886] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:57:41,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:57:41,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:57:41,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176049580] [2022-07-23 02:57:41,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:57:41,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:57:41,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:57:41,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:57:41,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:57:41,929 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) [2022-07-23 02:57:46,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:57:46,221 INFO L93 Difference]: Finished difference Result 5582 states and 7820 transitions. [2022-07-23 02:57:46,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:57:46,221 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 [2022-07-23 02:57:46,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:57:46,238 INFO L225 Difference]: With dead ends: 5582 [2022-07-23 02:57:46,238 INFO L226 Difference]: Without dead ends: 2864 [2022-07-23 02:57:46,246 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 [2022-07-23 02:57:46,247 INFO L413 NwaCegarLoop]: 2243 mSDtfsCounter, 4435 mSDsluCounter, 2617 mSDsCounter, 0 mSdLazyCounter, 3087 mSolverCounterSat, 3567 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 4.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:57:46,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4435 Valid, 4860 Invalid, 6654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3567 Valid, 3087 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-23 02:57:46,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-23 02:57:46,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-23 02:57:46,426 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) [2022-07-23 02:57:46,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3800 transitions. [2022-07-23 02:57:46,439 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3800 transitions. Word has length 132 [2022-07-23 02:57:46,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:57:46,439 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3800 transitions. [2022-07-23 02:57:46,439 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) [2022-07-23 02:57:46,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3800 transitions. [2022-07-23 02:57:46,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-23 02:57:46,442 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:57:46,442 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] [2022-07-23 02:57:46,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-23 02:57:46,442 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:57:46,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:57:46,443 INFO L85 PathProgramCache]: Analyzing trace with hash 571511342, now seen corresponding path program 1 times [2022-07-23 02:57:46,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:57:46,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115670390] [2022-07-23 02:57:46,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:57:46,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:57:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:57:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:57:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:57:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:46,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:57:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:57:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:57:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:57:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:57:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:46,711 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-23 02:57:46,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:57:46,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115670390] [2022-07-23 02:57:46,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115670390] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:57:46,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:57:46,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:57:46,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008024726] [2022-07-23 02:57:46,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:57:46,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:57:46,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:57:46,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:57:46,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:57:46,714 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) [2022-07-23 02:57:50,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:57:50,910 INFO L93 Difference]: Finished difference Result 5582 states and 7814 transitions. [2022-07-23 02:57:50,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:57:50,910 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 [2022-07-23 02:57:50,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:57:50,924 INFO L225 Difference]: With dead ends: 5582 [2022-07-23 02:57:50,924 INFO L226 Difference]: Without dead ends: 2864 [2022-07-23 02:57:50,935 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 [2022-07-23 02:57:50,936 INFO L413 NwaCegarLoop]: 2240 mSDtfsCounter, 4432 mSDsluCounter, 2617 mSDsCounter, 0 mSdLazyCounter, 3085 mSolverCounterSat, 3573 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4432 SdHoareTripleChecker+Valid, 4857 SdHoareTripleChecker+Invalid, 6658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3573 IncrementalHoareTripleChecker+Valid, 3085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:57:50,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4432 Valid, 4857 Invalid, 6658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3573 Valid, 3085 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-23 02:57:50,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2864 states. [2022-07-23 02:57:51,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2864 to 2738. [2022-07-23 02:57:51,118 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) [2022-07-23 02:57:51,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3797 transitions. [2022-07-23 02:57:51,130 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3797 transitions. Word has length 133 [2022-07-23 02:57:51,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:57:51,132 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3797 transitions. [2022-07-23 02:57:51,132 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) [2022-07-23 02:57:51,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3797 transitions. [2022-07-23 02:57:51,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-07-23 02:57:51,135 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:57:51,135 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] [2022-07-23 02:57:51,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-23 02:57:51,135 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:57:51,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:57:51,136 INFO L85 PathProgramCache]: Analyzing trace with hash 600140493, now seen corresponding path program 1 times [2022-07-23 02:57:51,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:57:51,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264768687] [2022-07-23 02:57:51,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:57:51,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:57:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:51,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:57:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:51,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:51,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:57:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:51,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:51,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:51,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:51,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:57:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:51,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:51,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:51,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:51,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:57:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:51,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:51,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:51,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:51,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:57:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:51,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:57:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:51,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:57:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:51,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:57:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:51,356 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-23 02:57:51,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:57:51,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264768687] [2022-07-23 02:57:51,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264768687] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:57:51,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:57:51,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:57:51,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643037233] [2022-07-23 02:57:51,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:57:51,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:57:51,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:57:51,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:57:51,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:57:51,359 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) [2022-07-23 02:57:55,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:57:55,717 INFO L93 Difference]: Finished difference Result 2876 states and 4024 transitions. [2022-07-23 02:57:55,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 02:57:55,718 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 [2022-07-23 02:57:55,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:57:55,731 INFO L225 Difference]: With dead ends: 2876 [2022-07-23 02:57:55,731 INFO L226 Difference]: Without dead ends: 2874 [2022-07-23 02:57:55,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-07-23 02:57:55,733 INFO L413 NwaCegarLoop]: 2253 mSDtfsCounter, 1196 mSDsluCounter, 5516 mSDsCounter, 0 mSdLazyCounter, 5365 mSolverCounterSat, 1327 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 4.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:57:55,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1288 Valid, 7769 Invalid, 6692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1327 Valid, 5365 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-23 02:57:55,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2874 states. [2022-07-23 02:57:55,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2874 to 2744. [2022-07-23 02:57:55,910 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) [2022-07-23 02:57:55,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2744 states to 2744 states and 3803 transitions. [2022-07-23 02:57:55,923 INFO L78 Accepts]: Start accepts. Automaton has 2744 states and 3803 transitions. Word has length 133 [2022-07-23 02:57:55,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:57:55,923 INFO L495 AbstractCegarLoop]: Abstraction has 2744 states and 3803 transitions. [2022-07-23 02:57:55,924 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) [2022-07-23 02:57:55,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2744 states and 3803 transitions. [2022-07-23 02:57:55,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-23 02:57:55,928 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:57:55,929 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] [2022-07-23 02:57:55,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-23 02:57:55,929 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:57:55,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:57:55,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1697750653, now seen corresponding path program 1 times [2022-07-23 02:57:55,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:57:55,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34398386] [2022-07-23 02:57:55,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:57:55,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:57:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 02:57:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-23 02:57:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:57:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-23 02:57:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:57:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-23 02:57:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:57:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:57:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 02:57:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-23 02:57:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:56,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:57:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:57:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 02:57:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:57:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 02:57:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-23 02:57:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 02:57:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-23 02:57:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-23 02:57:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:57:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:57:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 02:57:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-23 02:57:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:57:56,166 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-07-23 02:57:56,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:57:56,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34398386] [2022-07-23 02:57:56,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34398386] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:57:56,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:57:56,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:57:56,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078189500] [2022-07-23 02:57:56,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:57:56,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:57:56,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:57:56,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:57:56,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:57:56,171 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) [2022-07-23 02:58:02,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:58:02,048 INFO L93 Difference]: Finished difference Result 4137 states and 5894 transitions. [2022-07-23 02:58:02,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 02:58:02,048 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 [2022-07-23 02:58:02,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:58:02,074 INFO L225 Difference]: With dead ends: 4137 [2022-07-23 02:58:02,074 INFO L226 Difference]: Without dead ends: 3331 [2022-07-23 02:58:02,081 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 [2022-07-23 02:58:02,082 INFO L413 NwaCegarLoop]: 2162 mSDtfsCounter, 3888 mSDsluCounter, 3464 mSDsCounter, 0 mSdLazyCounter, 4648 mSolverCounterSat, 3821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4145 SdHoareTripleChecker+Valid, 5626 SdHoareTripleChecker+Invalid, 8469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3821 IncrementalHoareTripleChecker+Valid, 4648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:58:02,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4145 Valid, 5626 Invalid, 8469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3821 Valid, 4648 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-07-23 02:58:02,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3331 states. [2022-07-23 02:58:02,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3331 to 2748. [2022-07-23 02:58:02,422 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) [2022-07-23 02:58:02,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2748 states to 2748 states and 3807 transitions. [2022-07-23 02:58:02,434 INFO L78 Accepts]: Start accepts. Automaton has 2748 states and 3807 transitions. Word has length 194 [2022-07-23 02:58:02,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:58:02,434 INFO L495 AbstractCegarLoop]: Abstraction has 2748 states and 3807 transitions. [2022-07-23 02:58:02,434 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) [2022-07-23 02:58:02,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2748 states and 3807 transitions. [2022-07-23 02:58:02,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-07-23 02:58:02,439 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:58:02,439 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] [2022-07-23 02:58:02,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-23 02:58:02,440 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:58:02,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:58:02,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1916739649, now seen corresponding path program 1 times [2022-07-23 02:58:02,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:58:02,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973576878] [2022-07-23 02:58:02,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:58:02,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:58:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:58:02,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 02:58:02,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 02:58:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 02:58:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 02:58:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 02:58:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 02:58:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-23 02:58:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 02:58:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:58:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:58:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 02:58:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 02:58:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 02:58:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-23 02:58:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:58:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-23 02:58:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 02:58:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:58:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 02:58:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:58:02,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:02,739 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-23 02:58:02,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:58:02,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973576878] [2022-07-23 02:58:02,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973576878] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:58:02,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:58:02,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:58:02,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695972356] [2022-07-23 02:58:02,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:58:02,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:58:02,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:58:02,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:58:02,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:58:02,742 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) [2022-07-23 02:58:08,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:58:08,614 INFO L93 Difference]: Finished difference Result 5614 states and 8000 transitions. [2022-07-23 02:58:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 02:58:08,615 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 [2022-07-23 02:58:08,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:58:08,630 INFO L225 Difference]: With dead ends: 5614 [2022-07-23 02:58:08,630 INFO L226 Difference]: Without dead ends: 3337 [2022-07-23 02:58:08,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2022-07-23 02:58:08,641 INFO L413 NwaCegarLoop]: 2159 mSDtfsCounter, 3380 mSDsluCounter, 4002 mSDsCounter, 0 mSdLazyCounter, 4751 mSolverCounterSat, 3840 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3486 SdHoareTripleChecker+Valid, 6161 SdHoareTripleChecker+Invalid, 8591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3840 IncrementalHoareTripleChecker+Valid, 4751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:58:08,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3486 Valid, 6161 Invalid, 8591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3840 Valid, 4751 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-23 02:58:08,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3337 states. [2022-07-23 02:58:08,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3337 to 2752. [2022-07-23 02:58:08,860 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) [2022-07-23 02:58:08,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2752 states to 2752 states and 3813 transitions. [2022-07-23 02:58:08,873 INFO L78 Accepts]: Start accepts. Automaton has 2752 states and 3813 transitions. Word has length 210 [2022-07-23 02:58:08,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:58:08,874 INFO L495 AbstractCegarLoop]: Abstraction has 2752 states and 3813 transitions. [2022-07-23 02:58:08,874 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) [2022-07-23 02:58:08,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 3813 transitions. [2022-07-23 02:58:08,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-07-23 02:58:08,879 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:58:08,879 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] [2022-07-23 02:58:08,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-23 02:58:08,880 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:58:08,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:58:08,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1407266559, now seen corresponding path program 1 times [2022-07-23 02:58:08,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:58:08,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179295611] [2022-07-23 02:58:08,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:58:08,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:58:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:58:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-23 02:58:09,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-23 02:58:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-23 02:58:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-23 02:58:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-07-23 02:58:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 02:58:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-23 02:58:09,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 02:58:09,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:58:09,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:58:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-23 02:58:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 02:58:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-23 02:58:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-23 02:58:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 02:58:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-23 02:58:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 02:58:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:58:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 02:58:09,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:58:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:09,157 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-07-23 02:58:09,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:58:09,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179295611] [2022-07-23 02:58:09,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179295611] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:58:09,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:58:09,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 02:58:09,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149663005] [2022-07-23 02:58:09,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:58:09,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 02:58:09,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:58:09,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 02:58:09,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:58:09,160 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) [2022-07-23 02:58:15,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:58:15,182 INFO L93 Difference]: Finished difference Result 5655 states and 8057 transitions. [2022-07-23 02:58:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-23 02:58:15,182 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 [2022-07-23 02:58:15,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:58:15,198 INFO L225 Difference]: With dead ends: 5655 [2022-07-23 02:58:15,199 INFO L226 Difference]: Without dead ends: 3374 [2022-07-23 02:58:15,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2022-07-23 02:58:15,210 INFO L413 NwaCegarLoop]: 2160 mSDtfsCounter, 3460 mSDsluCounter, 4002 mSDsCounter, 0 mSdLazyCounter, 4784 mSolverCounterSat, 3928 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3566 SdHoareTripleChecker+Valid, 6162 SdHoareTripleChecker+Invalid, 8712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3928 IncrementalHoareTripleChecker+Valid, 4784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:58:15,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3566 Valid, 6162 Invalid, 8712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3928 Valid, 4784 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-07-23 02:58:15,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3374 states. [2022-07-23 02:58:15,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3374 to 2754. [2022-07-23 02:58:15,438 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) [2022-07-23 02:58:15,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 3815 transitions. [2022-07-23 02:58:15,523 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 3815 transitions. Word has length 210 [2022-07-23 02:58:15,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:58:15,524 INFO L495 AbstractCegarLoop]: Abstraction has 2754 states and 3815 transitions. [2022-07-23 02:58:15,524 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) [2022-07-23 02:58:15,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 3815 transitions. [2022-07-23 02:58:15,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-07-23 02:58:15,528 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:58:15,529 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] [2022-07-23 02:58:15,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-23 02:58:15,529 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:58:15,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:58:15,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1238725689, now seen corresponding path program 1 times [2022-07-23 02:58:15,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:58:15,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996578626] [2022-07-23 02:58:15,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:58:15,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:58:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:58:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:58:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:58:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:58:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:58:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:58:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:58:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:58:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-23 02:58:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 02:58:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 02:58:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 02:58:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:58:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-23 02:58:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 02:58:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:58:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:58:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 02:58:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 02:58:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-23 02:58:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:58:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:58:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-23 02:58:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-23 02:58:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:15,885 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-07-23 02:58:15,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:58:15,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996578626] [2022-07-23 02:58:15,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996578626] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 02:58:15,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925499642] [2022-07-23 02:58:15,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:58:15,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:58:15,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:58:15,888 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) [2022-07-23 02:58:15,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 02:58:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:16,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 3269 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 02:58:16,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:58:16,936 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-07-23 02:58:16,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:58:17,158 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2022-07-23 02:58:17,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925499642] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 02:58:17,158 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 02:58:17,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 9 [2022-07-23 02:58:17,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252323852] [2022-07-23 02:58:17,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 02:58:17,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 02:58:17,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:58:17,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 02:58:17,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-23 02:58:17,163 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) [2022-07-23 02:58:21,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:58:21,550 INFO L93 Difference]: Finished difference Result 5320 states and 7477 transitions. [2022-07-23 02:58:21,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-23 02:58:21,550 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 [2022-07-23 02:58:21,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:58:21,564 INFO L225 Difference]: With dead ends: 5320 [2022-07-23 02:58:21,564 INFO L226 Difference]: Without dead ends: 3037 [2022-07-23 02:58:21,572 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 [2022-07-23 02:58:21,573 INFO L413 NwaCegarLoop]: 2159 mSDtfsCounter, 2332 mSDsluCounter, 3317 mSDsCounter, 0 mSdLazyCounter, 3788 mSolverCounterSat, 2528 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s 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, 3.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:58:21,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2440 Valid, 5476 Invalid, 6316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2528 Valid, 3788 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-07-23 02:58:21,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3037 states. [2022-07-23 02:58:21,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3037 to 2856. [2022-07-23 02:58:21,812 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) [2022-07-23 02:58:21,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 2856 states and 3965 transitions. [2022-07-23 02:58:21,825 INFO L78 Accepts]: Start accepts. Automaton has 2856 states and 3965 transitions. Word has length 275 [2022-07-23 02:58:21,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:58:21,826 INFO L495 AbstractCegarLoop]: Abstraction has 2856 states and 3965 transitions. [2022-07-23 02:58:21,826 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) [2022-07-23 02:58:21,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2856 states and 3965 transitions. [2022-07-23 02:58:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-07-23 02:58:21,832 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:58:21,832 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] [2022-07-23 02:58:21,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-23 02:58:22,059 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 [2022-07-23 02:58:22,060 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:58:22,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:58:22,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1188728478, now seen corresponding path program 1 times [2022-07-23 02:58:22,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:58:22,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668659588] [2022-07-23 02:58:22,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:58:22,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:58:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:58:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:58:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:58:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:58:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:58:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:58:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:58:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:58:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-23 02:58:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 02:58:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 02:58:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-23 02:58:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:58:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:58:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-23 02:58:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:58:22,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:58:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:58:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:58:22,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 02:58:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-23 02:58:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-23 02:58:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:58:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-23 02:58:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-23 02:58:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:22,440 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-07-23 02:58:22,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:58:22,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668659588] [2022-07-23 02:58:22,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668659588] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 02:58:22,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499497508] [2022-07-23 02:58:22,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:58:22,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:58:22,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:58:22,443 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) [2022-07-23 02:58:22,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 02:58:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:23,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 3264 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-23 02:58:23,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:58:23,393 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-07-23 02:58:23,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:58:23,597 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked. [2022-07-23 02:58:23,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499497508] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 02:58:23,597 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 02:58:23,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 15 [2022-07-23 02:58:23,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210323123] [2022-07-23 02:58:23,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 02:58:23,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-23 02:58:23,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:58:23,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-23 02:58:23,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-07-23 02:58:23,600 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) [2022-07-23 02:58:28,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:58:28,832 INFO L93 Difference]: Finished difference Result 5710 states and 8053 transitions. [2022-07-23 02:58:28,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-23 02:58:28,833 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 [2022-07-23 02:58:28,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:58:28,850 INFO L225 Difference]: With dead ends: 5710 [2022-07-23 02:58:28,850 INFO L226 Difference]: Without dead ends: 3325 [2022-07-23 02:58:28,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 669 GetRequests, 632 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=487, Invalid=995, Unknown=0, NotChecked=0, Total=1482 [2022-07-23 02:58:28,862 INFO L413 NwaCegarLoop]: 2157 mSDtfsCounter, 3182 mSDsluCounter, 3319 mSDsCounter, 0 mSdLazyCounter, 4295 mSolverCounterSat, 3400 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3290 SdHoareTripleChecker+Valid, 5476 SdHoareTripleChecker+Invalid, 7695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3400 IncrementalHoareTripleChecker+Valid, 4295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:58:28,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3290 Valid, 5476 Invalid, 7695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3400 Valid, 4295 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-07-23 02:58:28,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3325 states. [2022-07-23 02:58:29,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3325 to 3060. [2022-07-23 02:58:29,194 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) [2022-07-23 02:58:29,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 3060 states and 4265 transitions. [2022-07-23 02:58:29,207 INFO L78 Accepts]: Start accepts. Automaton has 3060 states and 4265 transitions. Word has length 280 [2022-07-23 02:58:29,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:58:29,208 INFO L495 AbstractCegarLoop]: Abstraction has 3060 states and 4265 transitions. [2022-07-23 02:58:29,209 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) [2022-07-23 02:58:29,209 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 4265 transitions. [2022-07-23 02:58:29,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-07-23 02:58:29,215 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:58:29,215 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] [2022-07-23 02:58:29,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-07-23 02:58:29,443 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 [2022-07-23 02:58:29,444 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:58:29,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:58:29,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1242287644, now seen corresponding path program 1 times [2022-07-23 02:58:29,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:58:29,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548633229] [2022-07-23 02:58:29,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:58:29,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:58:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:58:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:58:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:58:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:58:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:58:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:58:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:58:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:58:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-23 02:58:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 02:58:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 02:58:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 02:58:29,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:58:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-23 02:58:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 02:58:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 02:58:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 02:58:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 02:58:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:58:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 02:58:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:29,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-23 02:58:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:30,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:58:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:30,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:58:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:30,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 02:58:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:30,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-23 02:58:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:30,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 02:58:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:30,023 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2022-07-23 02:58:30,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:58:30,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548633229] [2022-07-23 02:58:30,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548633229] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:58:30,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:58:30,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 02:58:30,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227813072] [2022-07-23 02:58:30,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:58:30,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 02:58:30,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:58:30,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 02:58:30,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-23 02:58:30,026 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) [2022-07-23 02:58:35,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:58:35,568 INFO L93 Difference]: Finished difference Result 5897 states and 8289 transitions. [2022-07-23 02:58:35,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 02:58:35,568 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 [2022-07-23 02:58:35,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:58:35,584 INFO L225 Difference]: With dead ends: 5897 [2022-07-23 02:58:35,584 INFO L226 Difference]: Without dead ends: 3190 [2022-07-23 02:58:35,592 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 [2022-07-23 02:58:35,592 INFO L413 NwaCegarLoop]: 2167 mSDtfsCounter, 1939 mSDsluCounter, 6558 mSDsCounter, 0 mSdLazyCounter, 8082 mSolverCounterSat, 2118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2047 SdHoareTripleChecker+Valid, 8725 SdHoareTripleChecker+Invalid, 10200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2118 IncrementalHoareTripleChecker+Valid, 8082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:58:35,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2047 Valid, 8725 Invalid, 10200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2118 Valid, 8082 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-07-23 02:58:35,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3190 states. [2022-07-23 02:58:35,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3190 to 2946. [2022-07-23 02:58:35,781 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) [2022-07-23 02:58:35,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4101 transitions. [2022-07-23 02:58:35,791 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4101 transitions. Word has length 290 [2022-07-23 02:58:35,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:58:35,792 INFO L495 AbstractCegarLoop]: Abstraction has 2946 states and 4101 transitions. [2022-07-23 02:58:35,792 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) [2022-07-23 02:58:35,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4101 transitions. [2022-07-23 02:58:35,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-23 02:58:35,797 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:58:35,797 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] [2022-07-23 02:58:35,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-23 02:58:35,797 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:58:35,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:58:35,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1618574962, now seen corresponding path program 1 times [2022-07-23 02:58:35,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:58:35,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078346146] [2022-07-23 02:58:35,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:58:35,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:58:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:58:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:58:36,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:58:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:36,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:58:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:58:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:58:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:58:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-23 02:58:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-23 02:58:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 02:58:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 02:58:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-23 02:58:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:58:36,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-23 02:58:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 02:58:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 02:58:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 02:58:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 02:58:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:58:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-23 02:58:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-23 02:58:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:58:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:58:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 02:58:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-23 02:58:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 02:58:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:36,378 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 543 trivial. 0 not checked. [2022-07-23 02:58:36,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:58:36,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078346146] [2022-07-23 02:58:36,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078346146] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:58:36,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:58:36,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 02:58:36,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884932459] [2022-07-23 02:58:36,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:58:36,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 02:58:36,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:58:36,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 02:58:36,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:58:36,383 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) [2022-07-23 02:58:41,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:58:41,810 INFO L93 Difference]: Finished difference Result 5776 states and 8108 transitions. [2022-07-23 02:58:41,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-23 02:58:41,811 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 [2022-07-23 02:58:41,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:58:41,828 INFO L225 Difference]: With dead ends: 5776 [2022-07-23 02:58:41,828 INFO L226 Difference]: Without dead ends: 3268 [2022-07-23 02:58:41,839 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 [2022-07-23 02:58:41,840 INFO L413 NwaCegarLoop]: 2207 mSDtfsCounter, 2025 mSDsluCounter, 5526 mSDsCounter, 0 mSdLazyCounter, 6604 mSolverCounterSat, 2048 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2165 SdHoareTripleChecker+Valid, 7733 SdHoareTripleChecker+Invalid, 8652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2048 IncrementalHoareTripleChecker+Valid, 6604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:58:41,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2165 Valid, 7733 Invalid, 8652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2048 Valid, 6604 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-23 02:58:41,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3268 states. [2022-07-23 02:58:42,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3268 to 2950. [2022-07-23 02:58:42,233 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) [2022-07-23 02:58:42,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2950 states to 2950 states and 4103 transitions. [2022-07-23 02:58:42,242 INFO L78 Accepts]: Start accepts. Automaton has 2950 states and 4103 transitions. Word has length 288 [2022-07-23 02:58:42,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:58:42,243 INFO L495 AbstractCegarLoop]: Abstraction has 2950 states and 4103 transitions. [2022-07-23 02:58:42,243 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) [2022-07-23 02:58:42,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2950 states and 4103 transitions. [2022-07-23 02:58:42,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-07-23 02:58:42,256 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:58:42,257 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] [2022-07-23 02:58:42,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-23 02:58:42,257 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:58:42,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:58:42,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1703676627, now seen corresponding path program 1 times [2022-07-23 02:58:42,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:58:42,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421473805] [2022-07-23 02:58:42,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:58:42,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:58:42,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:58:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:58:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:58:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:58:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:58:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:58:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:58:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:58:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:58:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 02:58:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-23 02:58:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-23 02:58:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 02:58:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:58:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:58:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-23 02:58:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:58:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 02:58:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-23 02:58:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 02:58:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-23 02:58:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-23 02:58:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:58:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:58:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-07-23 02:58:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 02:58:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-23 02:58:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 02:58:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 02:58:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-23 02:58:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-23 02:58:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-23 02:58:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-23 02:58:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-23 02:58:42,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 02:58:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 02:58:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-23 02:58:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:42,745 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2022-07-23 02:58:42,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:58:42,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421473805] [2022-07-23 02:58:42,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421473805] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:58:42,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:58:42,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 02:58:42,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981394757] [2022-07-23 02:58:42,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:58:42,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 02:58:42,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:58:42,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 02:58:42,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:58:42,748 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) [2022-07-23 02:58:47,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:58:47,425 INFO L93 Difference]: Finished difference Result 6144 states and 8583 transitions. [2022-07-23 02:58:47,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 02:58:47,425 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 [2022-07-23 02:58:47,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:58:47,436 INFO L225 Difference]: With dead ends: 6144 [2022-07-23 02:58:47,436 INFO L226 Difference]: Without dead ends: 3212 [2022-07-23 02:58:47,441 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 [2022-07-23 02:58:47,441 INFO L413 NwaCegarLoop]: 2100 mSDtfsCounter, 2437 mSDsluCounter, 3808 mSDsCounter, 0 mSdLazyCounter, 4069 mSolverCounterSat, 2701 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2545 SdHoareTripleChecker+Valid, 5908 SdHoareTripleChecker+Invalid, 6770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2701 IncrementalHoareTripleChecker+Valid, 4069 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:58:47,441 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2545 Valid, 5908 Invalid, 6770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2701 Valid, 4069 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-07-23 02:58:47,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3212 states. [2022-07-23 02:58:47,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3212 to 2965. [2022-07-23 02:58:47,723 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) [2022-07-23 02:58:47,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 2965 states and 4121 transitions. [2022-07-23 02:58:47,737 INFO L78 Accepts]: Start accepts. Automaton has 2965 states and 4121 transitions. Word has length 386 [2022-07-23 02:58:47,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:58:47,737 INFO L495 AbstractCegarLoop]: Abstraction has 2965 states and 4121 transitions. [2022-07-23 02:58:47,737 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) [2022-07-23 02:58:47,738 INFO L276 IsEmpty]: Start isEmpty. Operand 2965 states and 4121 transitions. [2022-07-23 02:58:47,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2022-07-23 02:58:47,753 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:58:47,753 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] [2022-07-23 02:58:47,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-23 02:58:47,754 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:58:47,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:58:47,755 INFO L85 PathProgramCache]: Analyzing trace with hash -335694002, now seen corresponding path program 1 times [2022-07-23 02:58:47,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:58:47,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057079944] [2022-07-23 02:58:47,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:58:47,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:58:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:47,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:58:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:47,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:47,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-23 02:58:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:47,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:47,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:47,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:47,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-23 02:58:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:47,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:47,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:47,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:47,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-23 02:58:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:58:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:58:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 02:58:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-23 02:58:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-23 02:58:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:58:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:58:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 02:58:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-23 02:58:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 02:58:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 02:58:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:58:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:58:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 02:58:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 02:58:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:58:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 02:58:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-23 02:58:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 02:58:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-23 02:58:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:58:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:58:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 02:58:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 02:58:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 02:58:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-23 02:58:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-23 02:58:48,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 02:58:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-23 02:58:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:58:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-23 02:58:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-23 02:58:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 02:58:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-23 02:58:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-23 02:58:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 02:58:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:48,204 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2022-07-23 02:58:48,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:58:48,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057079944] [2022-07-23 02:58:48,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057079944] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 02:58:48,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1148335545] [2022-07-23 02:58:48,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:58:48,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:58:48,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:58:48,207 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) [2022-07-23 02:58:48,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-23 02:58:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:58:49,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 4005 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:58:49,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:58:49,437 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2022-07-23 02:58:49,437 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:58:49,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1148335545] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:58:49,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:58:49,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-07-23 02:58:49,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105347992] [2022-07-23 02:58:49,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:58:49,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:58:49,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:58:49,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:58:49,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:58:49,440 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) [2022-07-23 02:58:49,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:58:49,695 INFO L93 Difference]: Finished difference Result 5091 states and 7099 transitions. [2022-07-23 02:58:49,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:58:49,696 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 [2022-07-23 02:58:49,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:58:49,698 INFO L225 Difference]: With dead ends: 5091 [2022-07-23 02:58:49,698 INFO L226 Difference]: Without dead ends: 0 [2022-07-23 02:58:49,708 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 [2022-07-23 02:58:49,708 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 [2022-07-23 02:58:49,708 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] [2022-07-23 02:58:49,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-23 02:58:49,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-23 02:58:49,709 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) [2022-07-23 02:58:49,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 02:58:49,710 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 390 [2022-07-23 02:58:49,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:58:49,710 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 02:58:49,711 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) [2022-07-23 02:58:49,711 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-23 02:58:49,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-23 02:58:49,714 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-23 02:58:49,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-23 02:58:49,927 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 [2022-07-23 02:58:49,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.