./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.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_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.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 c76818fb304a0b40bd70831524c213fb48469a57ba59c902bf604bd33d1e93eb --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:01:43,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:01:43,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:01:43,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:01:43,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:01:43,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:01:43,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:01:43,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:01:43,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:01:43,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:01:43,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:01:43,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:01:43,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:01:43,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:01:43,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:01:43,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:01:43,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:01:43,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:01:43,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:01:43,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:01:43,285 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:01:43,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:01:43,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:01:43,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:01:43,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:01:43,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:01:43,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:01:43,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:01:43,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:01:43,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:01:43,296 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:01:43,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:01:43,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:01:43,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:01:43,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:01:43,300 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:01:43,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:01:43,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:01:43,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:01:43,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:01:43,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:01:43,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:01:43,304 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:01:43,326 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:01:43,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:01:43,327 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:01:43,327 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:01:43,328 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:01:43,328 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:01:43,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:01:43,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:01:43,329 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:01:43,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:01:43,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:01:43,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:01:43,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:01:43,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:01:43,331 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:01:43,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:01:43,331 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:01:43,332 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:01:43,332 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:01:43,332 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:01:43,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:01:43,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:01:43,333 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:01:43,333 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:01:43,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:01:43,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:01:43,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:01:43,333 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:01:43,334 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:01:43,334 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:01:43,334 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c76818fb304a0b40bd70831524c213fb48469a57ba59c902bf604bd33d1e93eb [2022-07-23 02:01:43,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:01:43,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:01:43,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:01:43,606 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:01:43,606 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:01:43,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2022-07-23 02:01:43,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/377931ead/508e719e4c4c424eb137b28ca3663284/FLAGb325f0462 [2022-07-23 02:01:44,454 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:01:44,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2022-07-23 02:01:44,497 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/377931ead/508e719e4c4c424eb137b28ca3663284/FLAGb325f0462 [2022-07-23 02:01:44,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/377931ead/508e719e4c4c424eb137b28ca3663284 [2022-07-23 02:01:44,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:01:44,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:01:44,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:01:44,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:01:44,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:01:44,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:01:44" (1/1) ... [2022-07-23 02:01:44,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e55ec0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:44, skipping insertion in model container [2022-07-23 02:01:44,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:01:44" (1/1) ... [2022-07-23 02:01:44,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:01:44,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:01:46,612 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_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315653,315666] [2022-07-23 02:01:46,614 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_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315798,315811] [2022-07-23 02:01:46,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:01:46,675 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:01:46,976 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_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315653,315666] [2022-07-23 02:01:46,977 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_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i[315798,315811] [2022-07-23 02:01:46,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:01:47,129 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:01:47,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:47 WrapperNode [2022-07-23 02:01:47,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:01:47,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:01:47,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:01:47,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:01:47,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:47" (1/1) ... [2022-07-23 02:01:47,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:47" (1/1) ... [2022-07-23 02:01:47,384 INFO L137 Inliner]: procedures = 390, calls = 1855, calls flagged for inlining = 177, calls inlined = 157, statements flattened = 4389 [2022-07-23 02:01:47,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:01:47,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:01:47,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:01:47,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:01:47,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:47" (1/1) ... [2022-07-23 02:01:47,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:47" (1/1) ... [2022-07-23 02:01:47,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:47" (1/1) ... [2022-07-23 02:01:47,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:47" (1/1) ... [2022-07-23 02:01:47,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:47" (1/1) ... [2022-07-23 02:01:47,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:47" (1/1) ... [2022-07-23 02:01:47,562 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:47" (1/1) ... [2022-07-23 02:01:47,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:01:47,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:01:47,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:01:47,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:01:47,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:47" (1/1) ... [2022-07-23 02:01:47,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:01:47,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:01:47,624 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 02:01:47,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 02:01:47,712 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 02:01:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-23 02:01:47,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-23 02:01:47,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_89 [2022-07-23 02:01:47,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_89 [2022-07-23 02:01:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:01:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:01:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 02:01:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 02:01:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2022-07-23 02:01:47,713 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2022-07-23 02:01:47,713 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_open [2022-07-23 02:01:47,714 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_open [2022-07-23 02:01:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_load_eeprom [2022-07-23 02:01:47,714 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_load_eeprom [2022-07-23 02:01:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-23 02:01:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_sense_lan [2022-07-23 02:01:47,714 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_sense_lan [2022-07-23 02:01:47,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:01:47,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:01:47,715 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-23 02:01:47,715 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-23 02:01:47,715 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 02:01:47,715 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 02:01:47,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:01:47,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:01:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 02:01:47,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 02:01:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:01:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 02:01:47,716 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 02:01:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-07-23 02:01:47,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-07-23 02:01:47,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_103 [2022-07-23 02:01:47,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_103 [2022-07-23 02:01:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 02:01:47,717 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 02:01:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_cascade_reset [2022-07-23 02:01:47,717 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_cascade_reset [2022-07-23 02:01:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 02:01:47,717 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 02:01:47,718 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 02:01:47,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 02:01:47,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:01:47,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:01:47,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 02:01:47,719 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 02:01:47,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 02:01:47,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 02:01:47,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 02:01:47,719 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rx_bm [2022-07-23 02:01:47,720 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rx_bm [2022-07-23 02:01:47,720 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_BM_shutdown [2022-07-23 02:01:47,721 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_BM_shutdown [2022-07-23 02:01:47,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 02:01:47,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 02:01:47,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:01:47,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:01:47,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 02:01:47,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 02:01:47,723 INFO L130 BoogieDeclarations]: Found specification of procedure wait [2022-07-23 02:01:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure wait [2022-07-23 02:01:47,723 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 02:01:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 02:01:47,723 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_hwinit [2022-07-23 02:01:47,723 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_hwinit [2022-07-23 02:01:47,723 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 02:01:47,724 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 02:01:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_whatever [2022-07-23 02:01:47,724 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_whatever [2022-07-23 02:01:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_close [2022-07-23 02:01:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_close [2022-07-23 02:01:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:01:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_stop_interface [2022-07-23 02:01:47,725 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_stop_interface [2022-07-23 02:01:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_check_lan [2022-07-23 02:01:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_check_lan [2022-07-23 02:01:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 02:01:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 02:01:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:01:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:01:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:01:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 02:01:47,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 02:01:47,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:01:47,705 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 02:01:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 02:01:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:01:47,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:01:47,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 02:01:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 02:01:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-23 02:01:47,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-23 02:01:47,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-23 02:01:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-23 02:01:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 02:01:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 02:01:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rxfill [2022-07-23 02:01:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rxfill [2022-07-23 02:01:47,730 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 02:01:47,730 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 02:01:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-23 02:01:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-23 02:01:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 02:01:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 02:01:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:01:47,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:01:47,731 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_update_stats [2022-07-23 02:01:47,732 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_update_stats [2022-07-23 02:01:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:01:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:01:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:01:47,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:01:47,732 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 02:01:47,733 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 02:01:47,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 02:01:47,734 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 02:01:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 02:01:47,736 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 02:01:47,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:01:47,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:01:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:01:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-23 02:01:47,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-23 02:01:47,738 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-07-23 02:01:47,739 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-07-23 02:01:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:01:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:01:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-23 02:01:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-23 02:01:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:01:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:01:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-23 02:01:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-23 02:01:47,745 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_pci_remove [2022-07-23 02:01:47,745 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_pci_remove [2022-07-23 02:01:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_build_rx_pdl [2022-07-23 02:01:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_build_rx_pdl [2022-07-23 02:01:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 02:01:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 02:01:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 02:01:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 02:01:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-23 02:01:47,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-23 02:01:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_hp100_private [2022-07-23 02:01:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_hp100_private [2022-07-23 02:01:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 02:01:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-23 02:01:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-23 02:01:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:01:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:01:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_hp100_private [2022-07-23 02:01:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_hp100_private [2022-07-23 02:01:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-07-23 02:01:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-07-23 02:01:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-23 02:01:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-23 02:01:47,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:01:47,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:01:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_set_multicast_list [2022-07-23 02:01:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_set_multicast_list [2022-07-23 02:01:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_start_interface [2022-07-23 02:01:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_start_interface [2022-07-23 02:01:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-23 02:01:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-23 02:01:47,749 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_clean_txring [2022-07-23 02:01:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_clean_txring [2022-07-23 02:01:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-23 02:01:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-23 02:01:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 02:01:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-07-23 02:01:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-07-23 02:01:47,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:01:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:01:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_login_to_vg_hub [2022-07-23 02:01:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_login_to_vg_hub [2022-07-23 02:01:47,751 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-07-23 02:01:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-07-23 02:01:48,344 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:01:48,346 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:01:48,639 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:01:53,417 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 02:01:53,418 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-23 02:01:53,592 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L8566-1: assume -9223372036854775808 <= #t~ret695#1 && #t~ret695#1 <= 9223372036854775807;havoc #t~ret695#1; [2022-07-23 02:01:53,592 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L8566: SUMMARY for call #t~ret695#1 := schedule_timeout_interruptible(1); srcloc: null [2022-07-23 02:01:53,593 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume 0 == (if 0 == ~tmp___4~7#1 then 0 else (if 1 == ~tmp___4~7#1 then 0 else ~bitwiseAnd(~tmp___4~7#1, 2096896))) % 18446744073709551616; [2022-07-23 02:01:53,593 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !(0 == (if 0 == ~tmp___4~7#1 then 0 else (if 1 == ~tmp___4~7#1 then 0 else ~bitwiseAnd(~tmp___4~7#1, 2096896))) % 18446744073709551616); [2022-07-23 02:01:53,593 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L8570: assume (if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0; [2022-07-23 02:01:53,593 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L8570: assume !((if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0); [2022-07-23 02:01:53,673 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:01:53,692 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:01:53,692 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-23 02:01:53,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:01:53 BoogieIcfgContainer [2022-07-23 02:01:53,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:01:53,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:01:53,699 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:01:53,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:01:53,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:01:44" (1/3) ... [2022-07-23 02:01:53,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46376be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:01:53, skipping insertion in model container [2022-07-23 02:01:53,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:47" (2/3) ... [2022-07-23 02:01:53,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46376be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:01:53, skipping insertion in model container [2022-07-23 02:01:53,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:01:53" (3/3) ... [2022-07-23 02:01:53,706 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2022-07-23 02:01:53,718 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:01:53,718 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 02:01:53,798 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:01:53,806 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@4b9e43e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@36849ee7 [2022-07-23 02:01:53,806 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 02:01:53,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 1805 states, 1157 states have (on average 1.3267070008643043) internal successors, (1535), 1205 states have internal predecessors, (1535), 569 states have call successors, (569), 80 states have call predecessors, (569), 79 states have return successors, (564), 548 states have call predecessors, (564), 564 states have call successors, (564) [2022-07-23 02:01:53,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-23 02:01:53,845 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:01:53,846 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 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] [2022-07-23 02:01:53,847 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:01:53,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:01:53,857 INFO L85 PathProgramCache]: Analyzing trace with hash 861348699, now seen corresponding path program 1 times [2022-07-23 02:01:53,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:01:53,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93171657] [2022-07-23 02:01:53,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:01:53,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:01:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:54,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:01:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:54,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:54,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:01:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:54,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:54,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:01:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:54,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:54,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:01:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:54,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:54,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 02:01:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:54,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-23 02:01:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:54,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-23 02:01:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:54,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:01:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:54,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:01:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:54,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-23 02:01:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:54,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-23 02:01:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:54,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 02:01:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:54,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:01:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:54,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-23 02:01:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:54,553 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-23 02:01:54,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:01:54,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93171657] [2022-07-23 02:01:54,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93171657] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:01:54,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:01:54,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:01:54,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994401414] [2022-07-23 02:01:54,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:01:54,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:01:54,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:01:54,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:01:54,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:01:54,598 INFO L87 Difference]: Start difference. First operand has 1805 states, 1157 states have (on average 1.3267070008643043) internal successors, (1535), 1205 states have internal predecessors, (1535), 569 states have call successors, (569), 80 states have call predecessors, (569), 79 states have return successors, (564), 548 states have call predecessors, (564), 564 states have call successors, (564) Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-23 02:02:01,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:01,068 INFO L93 Difference]: Finished difference Result 5270 states and 7957 transitions. [2022-07-23 02:02:01,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 02:02:01,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 128 [2022-07-23 02:02:01,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:01,129 INFO L225 Difference]: With dead ends: 5270 [2022-07-23 02:02:01,129 INFO L226 Difference]: Without dead ends: 3410 [2022-07-23 02:02:01,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 02:02:01,185 INFO L413 NwaCegarLoop]: 2825 mSDtfsCounter, 4049 mSDsluCounter, 2511 mSDsCounter, 0 mSdLazyCounter, 3334 mSolverCounterSat, 3963 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4261 SdHoareTripleChecker+Valid, 5336 SdHoareTripleChecker+Invalid, 7297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3963 IncrementalHoareTripleChecker+Valid, 3334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:01,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4261 Valid, 5336 Invalid, 7297 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3963 Valid, 3334 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-07-23 02:02:01,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2022-07-23 02:02:01,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3285. [2022-07-23 02:02:01,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3285 states, 2105 states have (on average 1.2897862232779098) internal successors, (2715), 2195 states have internal predecessors, (2715), 1030 states have call successors, (1030), 148 states have call predecessors, (1030), 149 states have return successors, (1042), 995 states have call predecessors, (1042), 1030 states have call successors, (1042) [2022-07-23 02:02:01,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3285 states to 3285 states and 4787 transitions. [2022-07-23 02:02:01,490 INFO L78 Accepts]: Start accepts. Automaton has 3285 states and 4787 transitions. Word has length 128 [2022-07-23 02:02:01,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:01,491 INFO L495 AbstractCegarLoop]: Abstraction has 3285 states and 4787 transitions. [2022-07-23 02:02:01,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2022-07-23 02:02:01,492 INFO L276 IsEmpty]: Start isEmpty. Operand 3285 states and 4787 transitions. [2022-07-23 02:02:01,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-23 02:02:01,517 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:01,517 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-07-23 02:02:01,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 02:02:01,518 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:01,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:01,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1043063430, now seen corresponding path program 1 times [2022-07-23 02:02:01,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:01,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700950844] [2022-07-23 02:02:01,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:01,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 02:02:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 02:02:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:02:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:02:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:02:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-23 02:02:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-23 02:02:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:02:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:02:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:02:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-23 02:02:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 02:02:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 02:02:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-23 02:02:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 02:02:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:01,980 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-23 02:02:01,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:01,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700950844] [2022-07-23 02:02:01,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700950844] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:01,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:02:01,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:02:01,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722248131] [2022-07-23 02:02:01,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:01,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:02:01,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:01,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:02:01,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:02:01,986 INFO L87 Difference]: Start difference. First operand 3285 states and 4787 transitions. Second operand has 6 states, 5 states have (on average 21.6) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-23 02:02:11,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:11,303 INFO L93 Difference]: Finished difference Result 8959 states and 13160 transitions. [2022-07-23 02:02:11,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 02:02:11,304 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 194 [2022-07-23 02:02:11,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:11,345 INFO L225 Difference]: With dead ends: 8959 [2022-07-23 02:02:11,345 INFO L226 Difference]: Without dead ends: 5687 [2022-07-23 02:02:11,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-23 02:02:11,366 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2803 mSDsluCounter, 2780 mSDsCounter, 0 mSdLazyCounter, 4320 mSolverCounterSat, 1902 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3239 SdHoareTripleChecker+Valid, 5062 SdHoareTripleChecker+Invalid, 6222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1902 IncrementalHoareTripleChecker+Valid, 4320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:11,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3239 Valid, 5062 Invalid, 6222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1902 Valid, 4320 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-07-23 02:02:11,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5687 states. [2022-07-23 02:02:11,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5687 to 5122. [2022-07-23 02:02:11,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5122 states, 3273 states have (on average 1.2899480598838986) internal successors, (4222), 3416 states have internal predecessors, (4222), 1600 states have call successors, (1600), 246 states have call predecessors, (1600), 248 states have return successors, (1614), 1547 states have call predecessors, (1614), 1600 states have call successors, (1614) [2022-07-23 02:02:11,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5122 states to 5122 states and 7436 transitions. [2022-07-23 02:02:11,758 INFO L78 Accepts]: Start accepts. Automaton has 5122 states and 7436 transitions. Word has length 194 [2022-07-23 02:02:11,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:11,759 INFO L495 AbstractCegarLoop]: Abstraction has 5122 states and 7436 transitions. [2022-07-23 02:02:11,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.6) internal successors, (108), 3 states have internal predecessors, (108), 4 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-23 02:02:11,759 INFO L276 IsEmpty]: Start isEmpty. Operand 5122 states and 7436 transitions. [2022-07-23 02:02:11,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-07-23 02:02:11,771 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:11,771 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-07-23 02:02:11,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 02:02:11,771 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:11,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:11,772 INFO L85 PathProgramCache]: Analyzing trace with hash 91197712, now seen corresponding path program 1 times [2022-07-23 02:02:11,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:11,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391857975] [2022-07-23 02:02:11,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:11,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:11,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:11,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:11,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:11,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:11,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:11,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:11,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:11,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:11,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 02:02:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:11,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:02:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-23 02:02:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-23 02:02:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-23 02:02:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 02:02:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:02:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 02:02:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:02:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:02:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-23 02:02:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-23 02:02:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:02:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-23 02:02:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:02:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:02:12,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 02:02:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-23 02:02:12,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-23 02:02:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 02:02:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 02:02:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 02:02:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-23 02:02:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 02:02:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-23 02:02:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-23 02:02:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 02:02:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-23 02:02:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:12,202 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-07-23 02:02:12,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:12,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391857975] [2022-07-23 02:02:12,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391857975] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:12,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:02:12,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:02:12,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416024471] [2022-07-23 02:02:12,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:12,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:02:12,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:12,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:02:12,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:02:12,205 INFO L87 Difference]: Start difference. First operand 5122 states and 7436 transitions. Second operand has 5 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 4 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2022-07-23 02:02:19,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:02:19,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:19,963 INFO L93 Difference]: Finished difference Result 14115 states and 20474 transitions. [2022-07-23 02:02:19,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 02:02:19,963 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 4 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) Word has length 244 [2022-07-23 02:02:19,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:20,023 INFO L225 Difference]: With dead ends: 14115 [2022-07-23 02:02:20,023 INFO L226 Difference]: Without dead ends: 9006 [2022-07-23 02:02:20,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 02:02:20,049 INFO L413 NwaCegarLoop]: 2401 mSDtfsCounter, 4634 mSDsluCounter, 2310 mSDsCounter, 0 mSdLazyCounter, 3300 mSolverCounterSat, 4111 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4847 SdHoareTripleChecker+Valid, 4711 SdHoareTripleChecker+Invalid, 7412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4111 IncrementalHoareTripleChecker+Valid, 3300 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:20,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4847 Valid, 4711 Invalid, 7412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4111 Valid, 3300 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-07-23 02:02:20,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9006 states. [2022-07-23 02:02:20,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9006 to 8576. [2022-07-23 02:02:20,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8576 states, 5522 states have (on average 1.2834118073161898) internal successors, (7087), 5758 states have internal predecessors, (7087), 2625 states have call successors, (2625), 426 states have call predecessors, (2625), 428 states have return successors, (2653), 2534 states have call predecessors, (2653), 2625 states have call successors, (2653) [2022-07-23 02:02:20,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8576 states to 8576 states and 12365 transitions. [2022-07-23 02:02:20,684 INFO L78 Accepts]: Start accepts. Automaton has 8576 states and 12365 transitions. Word has length 244 [2022-07-23 02:02:20,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:20,686 INFO L495 AbstractCegarLoop]: Abstraction has 8576 states and 12365 transitions. [2022-07-23 02:02:20,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 4 states have call successors, (44), 4 states have call predecessors, (44), 1 states have return successors, (38), 3 states have call predecessors, (38), 4 states have call successors, (38) [2022-07-23 02:02:20,687 INFO L276 IsEmpty]: Start isEmpty. Operand 8576 states and 12365 transitions. [2022-07-23 02:02:20,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-07-23 02:02:20,697 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:20,697 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 7, 7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-07-23 02:02:20,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 02:02:20,698 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:20,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:20,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1364980547, now seen corresponding path program 1 times [2022-07-23 02:02:20,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:20,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613736077] [2022-07-23 02:02:20,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:20,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:20,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:20,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:20,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:20,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:20,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:20,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:20,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:20,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:20,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:20,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 02:02:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:20,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 02:02:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:20,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 02:02:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:20,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 02:02:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:20,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 02:02:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:20,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:02:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:20,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:20,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-23 02:02:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:20,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 02:02:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:20,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-23 02:02:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:21,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:21,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:21,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:02:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:21,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:02:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:21,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:02:21,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:21,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-23 02:02:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:21,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-23 02:02:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:21,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-23 02:02:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:21,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:02:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:21,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:02:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:21,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 02:02:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:21,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 02:02:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:21,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 02:02:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:21,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-23 02:02:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:21,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 02:02:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:21,192 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-07-23 02:02:21,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:21,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613736077] [2022-07-23 02:02:21,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613736077] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:21,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:02:21,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:02:21,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452018178] [2022-07-23 02:02:21,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:21,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:02:21,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:21,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:02:21,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:02:21,196 INFO L87 Difference]: Start difference. First operand 8576 states and 12365 transitions. Second operand has 6 states, 5 states have (on average 27.2) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-23 02:02:29,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:29,663 INFO L93 Difference]: Finished difference Result 20832 states and 30234 transitions. [2022-07-23 02:02:29,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 02:02:29,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 256 [2022-07-23 02:02:29,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:29,731 INFO L225 Difference]: With dead ends: 20832 [2022-07-23 02:02:29,731 INFO L226 Difference]: Without dead ends: 12269 [2022-07-23 02:02:29,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-23 02:02:29,774 INFO L413 NwaCegarLoop]: 3329 mSDtfsCounter, 2189 mSDsluCounter, 3638 mSDsCounter, 0 mSdLazyCounter, 4644 mSolverCounterSat, 1579 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2628 SdHoareTripleChecker+Valid, 6967 SdHoareTripleChecker+Invalid, 6223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1579 IncrementalHoareTripleChecker+Valid, 4644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:29,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2628 Valid, 6967 Invalid, 6223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1579 Valid, 4644 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-07-23 02:02:29,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12269 states. [2022-07-23 02:02:30,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12269 to 10943. [2022-07-23 02:02:30,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10943 states, 7068 states have (on average 1.2805602716468591) internal successors, (9051), 7365 states have internal predecessors, (9051), 3304 states have call successors, (3304), 568 states have call predecessors, (3304), 570 states have return successors, (3332), 3193 states have call predecessors, (3332), 3304 states have call successors, (3332) [2022-07-23 02:02:30,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10943 states to 10943 states and 15687 transitions. [2022-07-23 02:02:30,538 INFO L78 Accepts]: Start accepts. Automaton has 10943 states and 15687 transitions. Word has length 256 [2022-07-23 02:02:30,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:30,539 INFO L495 AbstractCegarLoop]: Abstraction has 10943 states and 15687 transitions. [2022-07-23 02:02:30,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-23 02:02:30,539 INFO L276 IsEmpty]: Start isEmpty. Operand 10943 states and 15687 transitions. [2022-07-23 02:02:30,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-07-23 02:02:30,551 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:30,551 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:02:30,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 02:02:30,552 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:30,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:30,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1000359159, now seen corresponding path program 1 times [2022-07-23 02:02:30,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:30,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080610089] [2022-07-23 02:02:30,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:30,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 02:02:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 02:02:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 02:02:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 02:02:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 02:02:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:02:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-23 02:02:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 02:02:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 02:02:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:02:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:02:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 02:02:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:30,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-23 02:02:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:31,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:31,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:31,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:02:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:31,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:02:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:31,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:02:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:31,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-23 02:02:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:31,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-23 02:02:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:31,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-23 02:02:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:31,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:02:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:31,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:02:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:31,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-23 02:02:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:31,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-23 02:02:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:31,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-23 02:02:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:31,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 02:02:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:31,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 02:02:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:31,100 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-07-23 02:02:31,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:31,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080610089] [2022-07-23 02:02:31,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080610089] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:31,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:02:31,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:02:31,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795710392] [2022-07-23 02:02:31,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:31,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:02:31,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:31,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:02:31,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:02:31,103 INFO L87 Difference]: Start difference. First operand 10943 states and 15687 transitions. Second operand has 6 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-23 02:02:38,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:02:42,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:42,101 INFO L93 Difference]: Finished difference Result 25876 states and 37364 transitions. [2022-07-23 02:02:42,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 02:02:42,101 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 331 [2022-07-23 02:02:42,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:42,175 INFO L225 Difference]: With dead ends: 25876 [2022-07-23 02:02:42,175 INFO L226 Difference]: Without dead ends: 14946 [2022-07-23 02:02:42,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-23 02:02:42,215 INFO L413 NwaCegarLoop]: 3328 mSDtfsCounter, 2186 mSDsluCounter, 3647 mSDsCounter, 0 mSdLazyCounter, 4623 mSolverCounterSat, 1567 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2625 SdHoareTripleChecker+Valid, 6975 SdHoareTripleChecker+Invalid, 6191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1567 IncrementalHoareTripleChecker+Valid, 4623 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:42,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2625 Valid, 6975 Invalid, 6191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1567 Valid, 4623 Invalid, 1 Unknown, 0 Unchecked, 10.2s Time] [2022-07-23 02:02:42,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14946 states. [2022-07-23 02:02:43,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14946 to 13275. [2022-07-23 02:02:43,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13275 states, 8592 states have (on average 1.2794459962756053) internal successors, (10993), 8950 states have internal predecessors, (10993), 3971 states have call successors, (3971), 709 states have call predecessors, (3971), 711 states have return successors, (3999), 3840 states have call predecessors, (3999), 3971 states have call successors, (3999) [2022-07-23 02:02:43,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13275 states to 13275 states and 18963 transitions. [2022-07-23 02:02:43,211 INFO L78 Accepts]: Start accepts. Automaton has 13275 states and 18963 transitions. Word has length 331 [2022-07-23 02:02:43,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:43,213 INFO L495 AbstractCegarLoop]: Abstraction has 13275 states and 18963 transitions. [2022-07-23 02:02:43,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.6) internal successors, (168), 3 states have internal predecessors, (168), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-23 02:02:43,214 INFO L276 IsEmpty]: Start isEmpty. Operand 13275 states and 18963 transitions. [2022-07-23 02:02:43,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-07-23 02:02:43,226 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:43,227 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2022-07-23 02:02:43,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 02:02:43,229 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:43,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:43,229 INFO L85 PathProgramCache]: Analyzing trace with hash -331089936, now seen corresponding path program 1 times [2022-07-23 02:02:43,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:43,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749470682] [2022-07-23 02:02:43,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:43,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 02:02:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 02:02:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 02:02:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 02:02:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 02:02:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:02:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-23 02:02:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 02:02:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 02:02:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:02:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:02:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 02:02:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-23 02:02:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:02:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:02:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:02:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:02:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-23 02:02:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 02:02:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:02:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:02:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 02:02:43,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-23 02:02:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 02:02:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-23 02:02:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-23 02:02:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:43,671 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-07-23 02:02:43,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:43,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749470682] [2022-07-23 02:02:43,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749470682] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:43,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:02:43,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:02:43,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858219506] [2022-07-23 02:02:43,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:43,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:02:43,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:43,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:02:43,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:02:43,674 INFO L87 Difference]: Start difference. First operand 13275 states and 18963 transitions. Second operand has 6 states, 5 states have (on average 33.4) internal successors, (167), 3 states have internal predecessors, (167), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-23 02:02:52,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:02:55,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:55,997 INFO L93 Difference]: Finished difference Result 33060 states and 47791 transitions. [2022-07-23 02:02:55,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 02:02:55,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.4) internal successors, (167), 3 states have internal predecessors, (167), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 330 [2022-07-23 02:02:55,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:56,122 INFO L225 Difference]: With dead ends: 33060 [2022-07-23 02:02:56,123 INFO L226 Difference]: Without dead ends: 19798 [2022-07-23 02:02:56,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-23 02:02:56,178 INFO L413 NwaCegarLoop]: 3562 mSDtfsCounter, 2757 mSDsluCounter, 3323 mSDsCounter, 0 mSdLazyCounter, 4771 mSolverCounterSat, 1959 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3267 SdHoareTripleChecker+Valid, 6885 SdHoareTripleChecker+Invalid, 6731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1959 IncrementalHoareTripleChecker+Valid, 4771 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:56,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3267 Valid, 6885 Invalid, 6731 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1959 Valid, 4771 Invalid, 1 Unknown, 0 Unchecked, 11.2s Time] [2022-07-23 02:02:56,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19798 states. [2022-07-23 02:02:57,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19798 to 17579. [2022-07-23 02:02:57,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17579 states, 11221 states have (on average 1.2788521522145977) internal successors, (14350), 11716 states have internal predecessors, (14350), 5422 states have call successors, (5422), 931 states have call predecessors, (5422), 935 states have return successors, (5450), 5237 states have call predecessors, (5450), 5422 states have call successors, (5450) [2022-07-23 02:02:57,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17579 states to 17579 states and 25222 transitions. [2022-07-23 02:02:57,642 INFO L78 Accepts]: Start accepts. Automaton has 17579 states and 25222 transitions. Word has length 330 [2022-07-23 02:02:57,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:57,643 INFO L495 AbstractCegarLoop]: Abstraction has 17579 states and 25222 transitions. [2022-07-23 02:02:57,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.4) internal successors, (167), 3 states have internal predecessors, (167), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-23 02:02:57,644 INFO L276 IsEmpty]: Start isEmpty. Operand 17579 states and 25222 transitions. [2022-07-23 02:02:57,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-07-23 02:02:57,658 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:57,658 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:02:57,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 02:02:57,659 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:57,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:57,659 INFO L85 PathProgramCache]: Analyzing trace with hash 60245586, now seen corresponding path program 1 times [2022-07-23 02:02:57,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:57,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482206626] [2022-07-23 02:02:57,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:57,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 02:02:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 02:02:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 02:02:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 02:02:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 02:02:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:02:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-23 02:02:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 02:02:57,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 02:02:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:02:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:02:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 02:02:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 02:02:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 02:02:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 02:02:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 02:02:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 02:02:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:58,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:58,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:02:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:58,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:02:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:58,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:02:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:58,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 02:02:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:58,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-23 02:02:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:58,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 02:02:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:58,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:02:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:58,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:02:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:58,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-23 02:02:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:58,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 02:02:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:58,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-23 02:02:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:58,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-23 02:02:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:58,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-23 02:02:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:58,080 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2022-07-23 02:02:58,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:58,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482206626] [2022-07-23 02:02:58,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482206626] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:58,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:02:58,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:02:58,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856239290] [2022-07-23 02:02:58,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:58,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:02:58,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:58,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:02:58,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:02:58,083 INFO L87 Difference]: Start difference. First operand 17579 states and 25222 transitions. Second operand has 6 states, 5 states have (on average 36.0) internal successors, (180), 3 states have internal predecessors, (180), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) [2022-07-23 02:03:06,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:06,201 INFO L93 Difference]: Finished difference Result 40033 states and 57862 transitions. [2022-07-23 02:03:06,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 02:03:06,202 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 36.0) internal successors, (180), 3 states have internal predecessors, (180), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) Word has length 385 [2022-07-23 02:03:06,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:06,315 INFO L225 Difference]: With dead ends: 40033 [2022-07-23 02:03:06,316 INFO L226 Difference]: Without dead ends: 22467 [2022-07-23 02:03:06,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-23 02:03:06,381 INFO L413 NwaCegarLoop]: 3185 mSDtfsCounter, 2864 mSDsluCounter, 2729 mSDsCounter, 0 mSdLazyCounter, 3911 mSolverCounterSat, 2642 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3305 SdHoareTripleChecker+Valid, 5914 SdHoareTripleChecker+Invalid, 6553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2642 IncrementalHoareTripleChecker+Valid, 3911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:06,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3305 Valid, 5914 Invalid, 6553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2642 Valid, 3911 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-07-23 02:03:06,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22467 states. [2022-07-23 02:03:07,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22467 to 19903. [2022-07-23 02:03:07,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19903 states, 12741 states have (on average 1.2783925908484421) internal successors, (16288), 13297 states have internal predecessors, (16288), 6089 states have call successors, (6089), 1068 states have call predecessors, (6089), 1072 states have return successors, (6117), 5884 states have call predecessors, (6117), 6089 states have call successors, (6117) [2022-07-23 02:03:07,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19903 states to 19903 states and 28494 transitions. [2022-07-23 02:03:07,699 INFO L78 Accepts]: Start accepts. Automaton has 19903 states and 28494 transitions. Word has length 385 [2022-07-23 02:03:07,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:07,701 INFO L495 AbstractCegarLoop]: Abstraction has 19903 states and 28494 transitions. [2022-07-23 02:03:07,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 36.0) internal successors, (180), 3 states have internal predecessors, (180), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) [2022-07-23 02:03:07,701 INFO L276 IsEmpty]: Start isEmpty. Operand 19903 states and 28494 transitions. [2022-07-23 02:03:07,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-07-23 02:03:07,714 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:07,714 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:03:07,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 02:03:07,714 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:07,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:07,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1024057141, now seen corresponding path program 1 times [2022-07-23 02:03:07,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:03:07,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900172060] [2022-07-23 02:03:07,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:07,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:03:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:03:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:03:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:03:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:07,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:03:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 02:03:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 02:03:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 02:03:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 02:03:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 02:03:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:03:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-23 02:03:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 02:03:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 02:03:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:03:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:03:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:03:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:03:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:03:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:03:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 02:03:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 02:03:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 02:03:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 02:03:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:07,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 02:03:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:08,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-23 02:03:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:08,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:03:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:08,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:08,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:03:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:08,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:03:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:08,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:03:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:08,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-23 02:03:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-23 02:03:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:08,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 02:03:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:08,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:03:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:08,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:03:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:08,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-23 02:03:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:08,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-23 02:03:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:08,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 02:03:08,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:08,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 02:03:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:08,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-23 02:03:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:08,090 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2022-07-23 02:03:08,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:03:08,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900172060] [2022-07-23 02:03:08,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900172060] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:03:08,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:03:08,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:03:08,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675285480] [2022-07-23 02:03:08,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:03:08,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:03:08,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:03:08,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:03:08,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:03:08,094 INFO L87 Difference]: Start difference. First operand 19903 states and 28494 transitions. Second operand has 6 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) [2022-07-23 02:03:16,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:16,796 INFO L93 Difference]: Finished difference Result 45074 states and 65014 transitions. [2022-07-23 02:03:16,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 02:03:16,796 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) Word has length 384 [2022-07-23 02:03:16,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:17,012 INFO L225 Difference]: With dead ends: 45074 [2022-07-23 02:03:17,013 INFO L226 Difference]: Without dead ends: 25184 [2022-07-23 02:03:17,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-23 02:03:17,082 INFO L413 NwaCegarLoop]: 3324 mSDtfsCounter, 3525 mSDsluCounter, 2930 mSDsCounter, 0 mSdLazyCounter, 3838 mSolverCounterSat, 3623 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3965 SdHoareTripleChecker+Valid, 6254 SdHoareTripleChecker+Invalid, 7461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3623 IncrementalHoareTripleChecker+Valid, 3838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:17,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3965 Valid, 6254 Invalid, 7461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3623 Valid, 3838 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-07-23 02:03:17,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25184 states. [2022-07-23 02:03:18,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25184 to 22275. [2022-07-23 02:03:18,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22275 states, 14301 states have (on average 1.2778127403678063) internal successors, (18274), 14918 states have internal predecessors, (18274), 6760 states have call successors, (6760), 1209 states have call predecessors, (6760), 1213 states have return successors, (6788), 6535 states have call predecessors, (6788), 6760 states have call successors, (6788) [2022-07-23 02:03:18,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22275 states to 22275 states and 31822 transitions. [2022-07-23 02:03:18,581 INFO L78 Accepts]: Start accepts. Automaton has 22275 states and 31822 transitions. Word has length 384 [2022-07-23 02:03:18,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:18,582 INFO L495 AbstractCegarLoop]: Abstraction has 22275 states and 31822 transitions. [2022-07-23 02:03:18,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 35.8) internal successors, (179), 3 states have internal predecessors, (179), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) [2022-07-23 02:03:18,583 INFO L276 IsEmpty]: Start isEmpty. Operand 22275 states and 31822 transitions. [2022-07-23 02:03:18,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-07-23 02:03:18,594 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:18,595 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:03:18,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 02:03:18,595 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:18,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:18,596 INFO L85 PathProgramCache]: Analyzing trace with hash -225089381, now seen corresponding path program 1 times [2022-07-23 02:03:18,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:03:18,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607705184] [2022-07-23 02:03:18,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:18,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:03:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:03:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:03:18,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:03:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:03:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 02:03:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 02:03:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 02:03:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 02:03:18,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 02:03:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:03:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-23 02:03:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 02:03:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 02:03:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:03:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:03:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:03:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:03:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:03:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:03:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 02:03:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 02:03:18,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 02:03:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 02:03:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 02:03:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 02:03:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:03:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-23 02:03:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:19,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-23 02:03:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:19,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:03:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:19,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:19,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:03:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:19,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:03:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:19,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:03:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:19,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-23 02:03:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:19,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-23 02:03:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:19,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 02:03:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:19,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:03:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:19,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:03:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:19,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-23 02:03:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:19,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-23 02:03:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:19,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 02:03:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:19,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 02:03:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:19,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-23 02:03:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:19,099 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2022-07-23 02:03:19,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:03:19,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607705184] [2022-07-23 02:03:19,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607705184] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:03:19,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:03:19,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 02:03:19,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197443978] [2022-07-23 02:03:19,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:03:19,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 02:03:19,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:03:19,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 02:03:19,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:03:19,102 INFO L87 Difference]: Start difference. First operand 22275 states and 31822 transitions. Second operand has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 4 states have internal predecessors, (187), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-23 02:03:30,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:03:32,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:03:35,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:35,683 INFO L93 Difference]: Finished difference Result 51310 states and 73896 transitions. [2022-07-23 02:03:35,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 02:03:35,684 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 4 states have internal predecessors, (187), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 426 [2022-07-23 02:03:35,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:35,798 INFO L225 Difference]: With dead ends: 51310 [2022-07-23 02:03:35,798 INFO L226 Difference]: Without dead ends: 29048 [2022-07-23 02:03:35,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-07-23 02:03:35,868 INFO L413 NwaCegarLoop]: 3259 mSDtfsCounter, 3791 mSDsluCounter, 5530 mSDsCounter, 0 mSdLazyCounter, 9362 mSolverCounterSat, 3909 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4228 SdHoareTripleChecker+Valid, 8789 SdHoareTripleChecker+Invalid, 13273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3909 IncrementalHoareTripleChecker+Valid, 9362 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:35,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4228 Valid, 8789 Invalid, 13273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3909 Valid, 9362 Invalid, 2 Unknown, 0 Unchecked, 14.9s Time] [2022-07-23 02:03:35,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29048 states. [2022-07-23 02:03:37,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29048 to 25638. [2022-07-23 02:03:37,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25638 states, 16430 states have (on average 1.2775410833840535) internal successors, (20990), 17141 states have internal predecessors, (20990), 7800 states have call successors, (7800), 1404 states have call predecessors, (7800), 1407 states have return successors, (7832), 7546 states have call predecessors, (7832), 7800 states have call successors, (7832) [2022-07-23 02:03:37,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25638 states to 25638 states and 36622 transitions. [2022-07-23 02:03:37,550 INFO L78 Accepts]: Start accepts. Automaton has 25638 states and 36622 transitions. Word has length 426 [2022-07-23 02:03:37,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:37,551 INFO L495 AbstractCegarLoop]: Abstraction has 25638 states and 36622 transitions. [2022-07-23 02:03:37,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 4 states have internal predecessors, (187), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-23 02:03:37,551 INFO L276 IsEmpty]: Start isEmpty. Operand 25638 states and 36622 transitions. [2022-07-23 02:03:37,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-07-23 02:03:37,566 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:37,566 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:03:37,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 02:03:37,567 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:37,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:37,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1982081854, now seen corresponding path program 1 times [2022-07-23 02:03:37,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:03:37,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297705865] [2022-07-23 02:03:37,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:37,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:03:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:03:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:03:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:03:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:03:37,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 02:03:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 02:03:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 02:03:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 02:03:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 02:03:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:03:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-23 02:03:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 02:03:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 02:03:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:03:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:03:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:03:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:03:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:03:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:03:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 02:03:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 02:03:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 02:03:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 02:03:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 02:03:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 02:03:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:03:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 02:03:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-23 02:03:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:03:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:03:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:03:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:37,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:03:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:38,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-23 02:03:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:38,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-23 02:03:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:38,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-23 02:03:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:38,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:03:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:38,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:03:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:38,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-23 02:03:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:38,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-23 02:03:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:38,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 02:03:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:38,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 02:03:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:38,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-23 02:03:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:38,044 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2022-07-23 02:03:38,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:03:38,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297705865] [2022-07-23 02:03:38,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297705865] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:03:38,045 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:03:38,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 02:03:38,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554491562] [2022-07-23 02:03:38,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:03:38,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 02:03:38,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:03:38,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 02:03:38,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:03:38,047 INFO L87 Difference]: Start difference. First operand 25638 states and 36622 transitions. Second operand has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 4 states have internal predecessors, (187), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-23 02:03:48,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:03:53,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:53,901 INFO L93 Difference]: Finished difference Result 57370 states and 82560 transitions. [2022-07-23 02:03:53,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 02:03:53,902 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 4 states have internal predecessors, (187), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 426 [2022-07-23 02:03:53,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:54,030 INFO L225 Difference]: With dead ends: 57370 [2022-07-23 02:03:54,030 INFO L226 Difference]: Without dead ends: 31745 [2022-07-23 02:03:54,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-07-23 02:03:54,105 INFO L413 NwaCegarLoop]: 3326 mSDtfsCounter, 2200 mSDsluCounter, 6497 mSDsCounter, 0 mSdLazyCounter, 10029 mSolverCounterSat, 1566 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2640 SdHoareTripleChecker+Valid, 9823 SdHoareTripleChecker+Invalid, 11596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1566 IncrementalHoareTripleChecker+Valid, 10029 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:54,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2640 Valid, 9823 Invalid, 11596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1566 Valid, 10029 Invalid, 1 Unknown, 0 Unchecked, 13.9s Time] [2022-07-23 02:03:54,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31745 states. [2022-07-23 02:03:55,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31745 to 27990. [2022-07-23 02:03:55,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27990 states, 17962 states have (on average 1.277140630219352) internal successors, (22940), 18734 states have internal predecessors, (22940), 8471 states have call successors, (8471), 1549 states have call predecessors, (8471), 1556 states have return successors, (8507), 8201 states have call predecessors, (8507), 8471 states have call successors, (8507) [2022-07-23 02:03:55,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27990 states to 27990 states and 39918 transitions. [2022-07-23 02:03:55,790 INFO L78 Accepts]: Start accepts. Automaton has 27990 states and 39918 transitions. Word has length 426 [2022-07-23 02:03:55,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:55,792 INFO L495 AbstractCegarLoop]: Abstraction has 27990 states and 39918 transitions. [2022-07-23 02:03:55,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.714285714285715) internal successors, (187), 4 states have internal predecessors, (187), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-23 02:03:55,792 INFO L276 IsEmpty]: Start isEmpty. Operand 27990 states and 39918 transitions. [2022-07-23 02:03:55,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-07-23 02:03:55,813 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:55,813 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:03:55,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-23 02:03:55,814 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:55,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:55,815 INFO L85 PathProgramCache]: Analyzing trace with hash 883687870, now seen corresponding path program 1 times [2022-07-23 02:03:55,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:03:55,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282265316] [2022-07-23 02:03:55,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:55,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:03:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:55,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:03:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:03:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:03:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:03:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 02:03:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 02:03:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 02:03:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 02:03:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 02:03:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:03:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-23 02:03:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 02:03:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 02:03:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:03:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:03:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:03:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:03:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:03:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:03:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 02:03:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 02:03:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 02:03:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 02:03:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 02:03:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 02:03:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:03:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 02:03:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-23 02:03:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:03:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:03:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:03:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:03:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 02:03:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-23 02:03:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-23 02:03:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:03:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:03:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-23 02:03:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-23 02:03:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-23 02:03:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-23 02:03:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-23 02:03:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:56,295 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2022-07-23 02:03:56,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:03:56,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282265316] [2022-07-23 02:03:56,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282265316] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:03:56,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:03:56,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 02:03:56,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112635218] [2022-07-23 02:03:56,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:03:56,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 02:03:56,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:03:56,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 02:03:56,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:03:56,298 INFO L87 Difference]: Start difference. First operand 27990 states and 39918 transitions. Second operand has 8 states, 7 states have (on average 27.0) internal successors, (189), 4 states have internal predecessors, (189), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-23 02:04:06,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:04:12,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:04:12,524 INFO L93 Difference]: Finished difference Result 62383 states and 89676 transitions. [2022-07-23 02:04:12,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 02:04:12,525 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 27.0) internal successors, (189), 4 states have internal predecessors, (189), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 428 [2022-07-23 02:04:12,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:04:12,651 INFO L225 Difference]: With dead ends: 62383 [2022-07-23 02:04:12,651 INFO L226 Difference]: Without dead ends: 34406 [2022-07-23 02:04:12,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-07-23 02:04:12,725 INFO L413 NwaCegarLoop]: 3330 mSDtfsCounter, 2188 mSDsluCounter, 6504 mSDsCounter, 0 mSdLazyCounter, 10039 mSolverCounterSat, 1563 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2627 SdHoareTripleChecker+Valid, 9834 SdHoareTripleChecker+Invalid, 11603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1563 IncrementalHoareTripleChecker+Valid, 10039 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:04:12,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2627 Valid, 9834 Invalid, 11603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1563 Valid, 10039 Invalid, 1 Unknown, 0 Unchecked, 14.2s Time] [2022-07-23 02:04:12,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34406 states. [2022-07-23 02:04:14,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34406 to 30306. [2022-07-23 02:04:14,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30306 states, 19474 states have (on average 1.2770873985827256) internal successors, (24870), 20307 states have internal predecessors, (24870), 9138 states have call successors, (9138), 1686 states have call predecessors, (9138), 1693 states have return successors, (9174), 8848 states have call predecessors, (9174), 9138 states have call successors, (9174) [2022-07-23 02:04:14,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30306 states to 30306 states and 43182 transitions. [2022-07-23 02:04:14,299 INFO L78 Accepts]: Start accepts. Automaton has 30306 states and 43182 transitions. Word has length 428 [2022-07-23 02:04:14,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:04:14,300 INFO L495 AbstractCegarLoop]: Abstraction has 30306 states and 43182 transitions. [2022-07-23 02:04:14,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 27.0) internal successors, (189), 4 states have internal predecessors, (189), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-23 02:04:14,301 INFO L276 IsEmpty]: Start isEmpty. Operand 30306 states and 43182 transitions. [2022-07-23 02:04:14,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2022-07-23 02:04:14,316 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:04:14,316 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 14, 14, 14, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:04:14,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-23 02:04:14,317 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:04:14,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:04:14,317 INFO L85 PathProgramCache]: Analyzing trace with hash -119098029, now seen corresponding path program 1 times [2022-07-23 02:04:14,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:04:14,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103308087] [2022-07-23 02:04:14,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:04:14,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:04:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:04:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:04:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:04:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:04:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 02:04:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 02:04:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 02:04:14,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 02:04:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 02:04:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:04:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-23 02:04:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 02:04:14,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 02:04:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:04:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:04:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:04:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:04:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:04:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:04:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 02:04:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 02:04:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 02:04:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 02:04:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 02:04:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 02:04:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:04:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-23 02:04:14,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 02:04:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-23 02:04:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:04:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:04:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:04:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:04:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-23 02:04:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-23 02:04:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-23 02:04:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:04:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:04:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-23 02:04:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-23 02:04:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-23 02:04:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-23 02:04:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-23 02:04:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:14,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1018 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 939 trivial. 0 not checked. [2022-07-23 02:04:14,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:04:14,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103308087] [2022-07-23 02:04:14,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103308087] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:04:14,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:04:14,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:04:14,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694697776] [2022-07-23 02:04:14,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:04:14,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:04:14,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:04:14,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:04:14,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:04:14,944 INFO L87 Difference]: Start difference. First operand 30306 states and 43182 transitions. Second operand has 6 states, 5 states have (on average 38.0) internal successors, (190), 3 states have internal predecessors, (190), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-23 02:04:24,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:04:24,961 INFO L93 Difference]: Finished difference Result 68226 states and 98036 transitions. [2022-07-23 02:04:24,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 02:04:24,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 38.0) internal successors, (190), 3 states have internal predecessors, (190), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) Word has length 442 [2022-07-23 02:04:24,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:04:25,098 INFO L225 Difference]: With dead ends: 68226 [2022-07-23 02:04:25,098 INFO L226 Difference]: Without dead ends: 37933 [2022-07-23 02:04:25,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-23 02:04:25,178 INFO L413 NwaCegarLoop]: 3375 mSDtfsCounter, 3695 mSDsluCounter, 2934 mSDsCounter, 0 mSdLazyCounter, 3882 mSolverCounterSat, 3801 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4135 SdHoareTripleChecker+Valid, 6309 SdHoareTripleChecker+Invalid, 7683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3801 IncrementalHoareTripleChecker+Valid, 3882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:04:25,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4135 Valid, 6309 Invalid, 7683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3801 Valid, 3882 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2022-07-23 02:04:25,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37933 states. [2022-07-23 02:04:26,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37933 to 33354. [2022-07-23 02:04:26,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33354 states, 21404 states have (on average 1.2777985423285367) internal successors, (27350), 22330 states have internal predecessors, (27350), 10085 states have call successors, (10085), 1859 states have call predecessors, (10085), 1864 states have return successors, (10121), 9765 states have call predecessors, (10121), 10085 states have call successors, (10121) [2022-07-23 02:04:27,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33354 states to 33354 states and 47556 transitions. [2022-07-23 02:04:27,085 INFO L78 Accepts]: Start accepts. Automaton has 33354 states and 47556 transitions. Word has length 442 [2022-07-23 02:04:27,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:04:27,086 INFO L495 AbstractCegarLoop]: Abstraction has 33354 states and 47556 transitions. [2022-07-23 02:04:27,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.0) internal successors, (190), 3 states have internal predecessors, (190), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-23 02:04:27,086 INFO L276 IsEmpty]: Start isEmpty. Operand 33354 states and 47556 transitions. [2022-07-23 02:04:27,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2022-07-23 02:04:27,102 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:04:27,103 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 14, 14, 14, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2022-07-23 02:04:27,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-23 02:04:27,103 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:04:27,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:04:27,104 INFO L85 PathProgramCache]: Analyzing trace with hash 302869392, now seen corresponding path program 1 times [2022-07-23 02:04:27,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:04:27,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325900147] [2022-07-23 02:04:27,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:04:27,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:04:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:04:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:04:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:04:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:04:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:27,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 02:04:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 02:04:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 02:04:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 02:04:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 02:04:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:04:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-23 02:04:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 02:04:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 02:04:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:04:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:04:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:04:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:04:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:04:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:04:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 02:04:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 02:04:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 02:04:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 02:04:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 02:04:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 02:04:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:04:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 02:04:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-23 02:04:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-23 02:04:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:04:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:04:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:04:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:04:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-23 02:04:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-23 02:04:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 02:04:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:04:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:04:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-23 02:04:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-23 02:04:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-23 02:04:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-23 02:04:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-23 02:04:27,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:27,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1045 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2022-07-23 02:04:27,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:04:27,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325900147] [2022-07-23 02:04:27,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325900147] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:04:27,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:04:27,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:04:27,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780767966] [2022-07-23 02:04:27,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:04:27,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:04:27,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:04:27,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:04:27,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:04:27,484 INFO L87 Difference]: Start difference. First operand 33354 states and 47556 transitions. Second operand has 6 states, 5 states have (on average 38.2) internal successors, (191), 3 states have internal predecessors, (191), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-23 02:04:35,360 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:04:39,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:04:39,474 INFO L93 Difference]: Finished difference Result 73975 states and 106298 transitions. [2022-07-23 02:04:39,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 02:04:39,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 38.2) internal successors, (191), 3 states have internal predecessors, (191), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) Word has length 450 [2022-07-23 02:04:39,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:04:39,665 INFO L225 Difference]: With dead ends: 73975 [2022-07-23 02:04:39,665 INFO L226 Difference]: Without dead ends: 40634 [2022-07-23 02:04:39,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-23 02:04:39,751 INFO L413 NwaCegarLoop]: 3329 mSDtfsCounter, 3487 mSDsluCounter, 2936 mSDsCounter, 0 mSdLazyCounter, 3828 mSolverCounterSat, 3620 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3927 SdHoareTripleChecker+Valid, 6265 SdHoareTripleChecker+Invalid, 7449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3620 IncrementalHoareTripleChecker+Valid, 3828 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:04:39,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3927 Valid, 6265 Invalid, 7449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3620 Valid, 3828 Invalid, 1 Unknown, 0 Unchecked, 9.4s Time] [2022-07-23 02:04:39,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40634 states. [2022-07-23 02:04:41,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40634 to 35710. [2022-07-23 02:04:41,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35710 states, 22948 states have (on average 1.2776712567544013) internal successors, (29320), 23935 states have internal predecessors, (29320), 10756 states have call successors, (10756), 2000 states have call predecessors, (10756), 2005 states have return successors, (10792), 10416 states have call predecessors, (10792), 10756 states have call successors, (10792) [2022-07-23 02:04:41,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35710 states to 35710 states and 50868 transitions. [2022-07-23 02:04:41,750 INFO L78 Accepts]: Start accepts. Automaton has 35710 states and 50868 transitions. Word has length 450 [2022-07-23 02:04:41,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:04:41,751 INFO L495 AbstractCegarLoop]: Abstraction has 35710 states and 50868 transitions. [2022-07-23 02:04:41,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.2) internal successors, (191), 3 states have internal predecessors, (191), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-23 02:04:41,751 INFO L276 IsEmpty]: Start isEmpty. Operand 35710 states and 50868 transitions. [2022-07-23 02:04:41,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2022-07-23 02:04:41,768 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:04:41,769 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 15, 15, 15, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:04:41,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-23 02:04:41,769 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:04:41,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:04:41,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1695224394, now seen corresponding path program 1 times [2022-07-23 02:04:41,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:04:41,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876484972] [2022-07-23 02:04:41,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:04:41,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:04:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:04:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:04:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:04:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:04:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 02:04:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 02:04:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 02:04:41,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 02:04:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 02:04:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:04:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:41,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-23 02:04:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 02:04:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 02:04:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:04:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:04:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:04:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:04:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:04:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:04:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:41,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 02:04:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 02:04:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 02:04:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 02:04:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 02:04:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 02:04:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:04:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 02:04:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-23 02:04:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-23 02:04:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-23 02:04:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:04:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:04:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:04:42,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:04:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-23 02:04:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-23 02:04:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-23 02:04:42,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:04:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:04:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-23 02:04:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-23 02:04:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-23 02:04:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-23 02:04:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-23 02:04:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:42,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2022-07-23 02:04:42,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:04:42,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876484972] [2022-07-23 02:04:42,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876484972] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:04:42,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:04:42,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:04:42,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18409492] [2022-07-23 02:04:42,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:04:42,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:04:42,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:04:42,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:04:42,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:04:42,404 INFO L87 Difference]: Start difference. First operand 35710 states and 50868 transitions. Second operand has 6 states, 5 states have (on average 38.8) internal successors, (194), 3 states have internal predecessors, (194), 4 states have call successors, (46), 5 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 4 states have call successors, (44) [2022-07-23 02:04:52,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:04:52,530 INFO L93 Difference]: Finished difference Result 78980 states and 113402 transitions. [2022-07-23 02:04:52,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 02:04:52,531 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 38.8) internal successors, (194), 3 states have internal predecessors, (194), 4 states have call successors, (46), 5 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 4 states have call successors, (44) Word has length 463 [2022-07-23 02:04:52,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:04:52,701 INFO L225 Difference]: With dead ends: 78980 [2022-07-23 02:04:52,701 INFO L226 Difference]: Without dead ends: 43283 [2022-07-23 02:04:52,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-07-23 02:04:52,806 INFO L413 NwaCegarLoop]: 3332 mSDtfsCounter, 3490 mSDsluCounter, 2932 mSDsCounter, 0 mSdLazyCounter, 3820 mSolverCounterSat, 3613 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3931 SdHoareTripleChecker+Valid, 6264 SdHoareTripleChecker+Invalid, 7433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3613 IncrementalHoareTripleChecker+Valid, 3820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:04:52,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3931 Valid, 6264 Invalid, 7433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3613 Valid, 3820 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-07-23 02:04:52,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43283 states. [2022-07-23 02:04:54,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43283 to 38014. [2022-07-23 02:04:54,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38014 states, 24448 states have (on average 1.277732329842932) internal successors, (31238), 25496 states have internal predecessors, (31238), 11423 states have call successors, (11423), 2137 states have call predecessors, (11423), 2142 states have return successors, (11459), 11063 states have call predecessors, (11459), 11423 states have call successors, (11459) [2022-07-23 02:04:55,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38014 states to 38014 states and 54120 transitions. [2022-07-23 02:04:55,120 INFO L78 Accepts]: Start accepts. Automaton has 38014 states and 54120 transitions. Word has length 463 [2022-07-23 02:04:55,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:04:55,120 INFO L495 AbstractCegarLoop]: Abstraction has 38014 states and 54120 transitions. [2022-07-23 02:04:55,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.8) internal successors, (194), 3 states have internal predecessors, (194), 4 states have call successors, (46), 5 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 4 states have call successors, (44) [2022-07-23 02:04:55,121 INFO L276 IsEmpty]: Start isEmpty. Operand 38014 states and 54120 transitions. [2022-07-23 02:04:55,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2022-07-23 02:04:55,134 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:04:55,134 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 14, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:04:55,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-23 02:04:55,135 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:04:55,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:04:55,135 INFO L85 PathProgramCache]: Analyzing trace with hash 893713462, now seen corresponding path program 1 times [2022-07-23 02:04:55,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:04:55,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155277205] [2022-07-23 02:04:55,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:04:55,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:04:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:04:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:04:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:04:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:04:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 02:04:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 02:04:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 02:04:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 02:04:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 02:04:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:04:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-23 02:04:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 02:04:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 02:04:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:04:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:04:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:04:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:04:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:04:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:04:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 02:04:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 02:04:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 02:04:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 02:04:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 02:04:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 02:04:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:04:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 02:04:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-23 02:04:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 02:04:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:55,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-23 02:04:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 02:04:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:04:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:04:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:04:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:04:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:04:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-23 02:04:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-23 02:04:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-23 02:04:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:04:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:04:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-23 02:04:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-23 02:04:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-23 02:04:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-23 02:04:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-23 02:04:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:04:55,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 1139 trivial. 0 not checked. [2022-07-23 02:04:55,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:04:55,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155277205] [2022-07-23 02:04:55,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155277205] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:04:55,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:04:55,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 02:04:55,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268678508] [2022-07-23 02:04:55,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:04:55,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 02:04:55,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:04:55,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 02:04:55,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:04:55,575 INFO L87 Difference]: Start difference. First operand 38014 states and 54120 transitions. Second operand has 8 states, 7 states have (on average 27.857142857142858) internal successors, (195), 4 states have internal predecessors, (195), 4 states have call successors, (45), 5 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2022-07-23 02:05:08,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:05:10,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 02:05:15,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:05:15,163 INFO L93 Difference]: Finished difference Result 84902 states and 121856 transitions. [2022-07-23 02:05:15,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 02:05:15,164 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 27.857142857142858) internal successors, (195), 4 states have internal predecessors, (195), 4 states have call successors, (45), 5 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) Word has length 481 [2022-07-23 02:05:15,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:05:15,317 INFO L225 Difference]: With dead ends: 84902 [2022-07-23 02:05:15,317 INFO L226 Difference]: Without dead ends: 46901 [2022-07-23 02:05:15,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-07-23 02:05:15,410 INFO L413 NwaCegarLoop]: 3096 mSDtfsCounter, 2554 mSDsluCounter, 6246 mSDsCounter, 0 mSdLazyCounter, 9726 mSolverCounterSat, 1794 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2992 SdHoareTripleChecker+Valid, 9342 SdHoareTripleChecker+Invalid, 11522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1794 IncrementalHoareTripleChecker+Valid, 9726 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:05:15,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2992 Valid, 9342 Invalid, 11522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1794 Valid, 9726 Invalid, 2 Unknown, 0 Unchecked, 16.4s Time] [2022-07-23 02:05:15,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46901 states. [2022-07-23 02:05:17,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46901 to 38909. [2022-07-23 02:05:17,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38909 states, 24968 states have (on average 1.2776353732777956) internal successors, (31900), 26044 states have internal predecessors, (31900), 11735 states have call successors, (11735), 2196 states have call predecessors, (11735), 2205 states have return successors, (11775), 11371 states have call predecessors, (11775), 11735 states have call successors, (11775) [2022-07-23 02:05:17,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38909 states to 38909 states and 55410 transitions. [2022-07-23 02:05:17,732 INFO L78 Accepts]: Start accepts. Automaton has 38909 states and 55410 transitions. Word has length 481 [2022-07-23 02:05:17,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:05:17,732 INFO L495 AbstractCegarLoop]: Abstraction has 38909 states and 55410 transitions. [2022-07-23 02:05:17,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 27.857142857142858) internal successors, (195), 4 states have internal predecessors, (195), 4 states have call successors, (45), 5 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2022-07-23 02:05:17,733 INFO L276 IsEmpty]: Start isEmpty. Operand 38909 states and 55410 transitions. [2022-07-23 02:05:17,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-07-23 02:05:17,932 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:05:17,933 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 14, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:05:17,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-23 02:05:17,933 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:05:17,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:05:17,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1617737430, now seen corresponding path program 1 times [2022-07-23 02:05:17,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:05:17,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692965482] [2022-07-23 02:05:17,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:05:17,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:05:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:05:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:05:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:05:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:05:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:05:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:05:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:05:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:05:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-23 02:05:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-23 02:05:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-23 02:05:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-23 02:05:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-23 02:05:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:05:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:05:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-23 02:05:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-23 02:05:18,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 02:05:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:05:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:05:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:05:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:05:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:05:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:05:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:05:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 02:05:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 02:05:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 02:05:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 02:05:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:05:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 02:05:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 02:05:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 02:05:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:05:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:05:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 02:05:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-23 02:05:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 02:05:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:05:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 02:05:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-23 02:05:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:05:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:05:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 02:05:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 02:05:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-23 02:05:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-23 02:05:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-23 02:05:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-23 02:05:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:05:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:05:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-23 02:05:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-23 02:05:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-23 02:05:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-23 02:05:18,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-07-23 02:05:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:05:18,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2022-07-23 02:05:18,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:05:18,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692965482] [2022-07-23 02:05:18,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692965482] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:05:18,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:05:18,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 02:05:18,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548694992] [2022-07-23 02:05:18,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:05:18,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 02:05:18,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:05:18,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 02:05:18,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:05:18,384 INFO L87 Difference]: Start difference. First operand 38909 states and 55410 transitions. Second operand has 8 states, 7 states have (on average 27.857142857142858) internal successors, (195), 4 states have internal predecessors, (195), 4 states have call successors, (45), 5 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43)