./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 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-6c24879 [2022-07-12 14:44:52,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:44:52,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:44:52,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:44:52,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:44:52,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:44:52,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:44:52,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:44:52,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:44:52,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:44:52,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:44:52,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:44:52,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:44:52,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:44:52,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:44:52,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:44:52,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:44:52,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:44:52,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:44:52,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:44:52,577 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:44:52,578 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:44:52,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:44:52,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:44:52,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:44:52,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:44:52,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:44:52,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:44:52,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:44:52,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:44:52,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:44:52,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:44:52,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:44:52,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:44:52,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:44:52,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:44:52,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:44:52,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:44:52,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:44:52,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:44:52,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:44:52,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:44:52,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:44:52,622 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:44:52,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:44:52,623 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:44:52,623 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:44:52,623 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:44:52,623 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:44:52,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:44:52,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:44:52,624 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:44:52,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:44:52,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:44:52,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:44:52,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:44:52,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:44:52,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:44:52,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:44:52,626 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:44:52,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:44:52,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:44:52,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:44:52,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:44:52,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:44:52,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:44:52,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:44:52,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:44:52,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:44:52,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:44:52,627 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:44:52,628 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:44:52,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:44:52,628 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c76818fb304a0b40bd70831524c213fb48469a57ba59c902bf604bd33d1e93eb [2022-07-12 14:44:52,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:44:52,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:44:52,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:44:52,856 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:44:52,857 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:44:52,858 INFO L432 ainManager$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 [2022-07-12 14:44:52,920 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39327692f/40c9e147ff9d4cb5aa10c2568389e09d/FLAG3d7e25c6d [2022-07-12 14:44:53,545 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:44:53,545 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 [2022-07-12 14:44:53,586 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39327692f/40c9e147ff9d4cb5aa10c2568389e09d/FLAG3d7e25c6d [2022-07-12 14:44:53,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39327692f/40c9e147ff9d4cb5aa10c2568389e09d [2022-07-12 14:44:53,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:44:53,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:44:53,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:44:53,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:44:53,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:44:53,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:44:53" (1/1) ... [2022-07-12 14:44:53,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@169277b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:53, skipping insertion in model container [2022-07-12 14:44:53,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:44:53" (1/1) ... [2022-07-12 14:44:53,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:44:54,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:44:55,559 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] [2022-07-12 14:44:55,561 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] [2022-07-12 14:44:55,580 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:44:55,608 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:44:55,865 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] [2022-07-12 14:44:55,866 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] [2022-07-12 14:44:55,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:44:55,973 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:44:55,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:55 WrapperNode [2022-07-12 14:44:55,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:44:55,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:44:55,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:44:55,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:44:55,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:55" (1/1) ... [2022-07-12 14:44:56,047 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:55" (1/1) ... [2022-07-12 14:44:56,186 INFO L137 Inliner]: procedures = 390, calls = 1855, calls flagged for inlining = 177, calls inlined = 157, statements flattened = 4389 [2022-07-12 14:44:56,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:44:56,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:44:56,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:44:56,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:44:56,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:55" (1/1) ... [2022-07-12 14:44:56,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:55" (1/1) ... [2022-07-12 14:44:56,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:55" (1/1) ... [2022-07-12 14:44:56,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:55" (1/1) ... [2022-07-12 14:44:56,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:55" (1/1) ... [2022-07-12 14:44:56,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:55" (1/1) ... [2022-07-12 14:44:56,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:55" (1/1) ... [2022-07-12 14:44:56,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:44:56,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:44:56,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:44:56,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:44:56,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:55" (1/1) ... [2022-07-12 14:44:56,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:44:56,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:44:56,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 14:44:56,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 14:44:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:44:56,484 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:44:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-12 14:44:56,484 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-12 14:44:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_89 [2022-07-12 14:44:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_89 [2022-07-12 14:44:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:44:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:44:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 14:44:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 14:44:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2022-07-12 14:44:56,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2022-07-12 14:44:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_open [2022-07-12 14:44:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_open [2022-07-12 14:44:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_load_eeprom [2022-07-12 14:44:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_load_eeprom [2022-07-12 14:44:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-12 14:44:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_sense_lan [2022-07-12 14:44:56,486 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_sense_lan [2022-07-12 14:44:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 14:44:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 14:44:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-12 14:44:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-12 14:44:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 14:44:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 14:44:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 14:44:56,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 14:44:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 14:44:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 14:44:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:44:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 14:44:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 14:44:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-07-12 14:44:56,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-07-12 14:44:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_103 [2022-07-12 14:44:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_103 [2022-07-12 14:44:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 14:44:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 14:44:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_cascade_reset [2022-07-12 14:44:56,489 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_cascade_reset [2022-07-12 14:44:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 14:44:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 14:44:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 14:44:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 14:44:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 14:44:56,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 14:44:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 14:44:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 14:44:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 14:44:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 14:44:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 14:44:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rx_bm [2022-07-12 14:44:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rx_bm [2022-07-12 14:44:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_BM_shutdown [2022-07-12 14:44:56,492 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_BM_shutdown [2022-07-12 14:44:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 14:44:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 14:44:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 14:44:56,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 14:44:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 14:44:56,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 14:44:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure wait [2022-07-12 14:44:56,494 INFO L138 BoogieDeclarations]: Found implementation of procedure wait [2022-07-12 14:44:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 14:44:56,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 14:44:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_hwinit [2022-07-12 14:44:56,494 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_hwinit [2022-07-12 14:44:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 14:44:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 14:44:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_whatever [2022-07-12 14:44:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_whatever [2022-07-12 14:44:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_close [2022-07-12 14:44:56,495 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_close [2022-07-12 14:44:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:44:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_stop_interface [2022-07-12 14:44:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_stop_interface [2022-07-12 14:44:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_check_lan [2022-07-12 14:44:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_check_lan [2022-07-12 14:44:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 14:44:56,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 14:44:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:44:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 14:44:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 14:44:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 14:44:56,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 14:44:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:44:56,497 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 14:44:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 14:44:56,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 14:44:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 14:44:56,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 14:44:56,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-12 14:44:56,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-12 14:44:56,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-12 14:44:56,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-12 14:44:56,503 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-12 14:44:56,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-12 14:44:56,503 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rxfill [2022-07-12 14:44:56,503 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rxfill [2022-07-12 14:44:56,503 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 14:44:56,503 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 14:44:56,503 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-12 14:44:56,503 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-12 14:44:56,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 14:44:56,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 14:44:56,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:44:56,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:44:56,504 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_update_stats [2022-07-12 14:44:56,504 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_update_stats [2022-07-12 14:44:56,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 14:44:56,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 14:44:56,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:44:56,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:44:56,504 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 14:44:56,504 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 14:44:56,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 14:44:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 14:44:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 14:44:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 14:44:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:44:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:44:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:44:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-12 14:44:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-12 14:44:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-07-12 14:44:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-07-12 14:44:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 14:44:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 14:44:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-12 14:44:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-12 14:44:56,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 14:44:56,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 14:44:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-07-12 14:44:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-07-12 14:44:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_pci_remove [2022-07-12 14:44:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_pci_remove [2022-07-12 14:44:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_build_rx_pdl [2022-07-12 14:44:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_build_rx_pdl [2022-07-12 14:44:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-12 14:44:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-12 14:44:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 14:44:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 14:44:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-12 14:44:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-12 14:44:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_hp100_private [2022-07-12 14:44:56,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_hp100_private [2022-07-12 14:44:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 14:44:56,506 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-07-12 14:44:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-07-12 14:44:56,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 14:44:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 14:44:56,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_hp100_private [2022-07-12 14:44:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_hp100_private [2022-07-12 14:44:56,507 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2022-07-12 14:44:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2022-07-12 14:44:56,507 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-12 14:44:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-12 14:44:56,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 14:44:56,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 14:44:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_set_multicast_list [2022-07-12 14:44:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_set_multicast_list [2022-07-12 14:44:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_start_interface [2022-07-12 14:44:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_start_interface [2022-07-12 14:44:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-12 14:44:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-12 14:44:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_clean_txring [2022-07-12 14:44:56,508 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_clean_txring [2022-07-12 14:44:56,508 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-07-12 14:44:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-07-12 14:44:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 14:44:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-07-12 14:44:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-07-12 14:44:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 14:44:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 14:44:56,509 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_login_to_vg_hub [2022-07-12 14:44:56,509 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_login_to_vg_hub [2022-07-12 14:44:56,510 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-07-12 14:44:56,510 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-07-12 14:44:57,111 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:44:57,115 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:44:57,417 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:45:01,552 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 14:45:01,553 WARN L811 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-07-12 14:45:01,700 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L8566-1: assume -9223372036854775808 <= #t~ret695#1 && #t~ret695#1 <= 9223372036854775807;havoc #t~ret695#1; [2022-07-12 14:45:01,701 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L8566: SUMMARY for call #t~ret695#1 := schedule_timeout_interruptible(1); srcloc: null [2022-07-12 14:45:01,701 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; [2022-07-12 14:45:01,701 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); [2022-07-12 14:45:01,701 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; [2022-07-12 14:45:01,701 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); [2022-07-12 14:45:01,793 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:45:01,814 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:45:01,814 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 14:45:01,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:45:01 BoogieIcfgContainer [2022-07-12 14:45:01,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:45:01,819 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:45:01,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:45:01,822 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:45:01,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:44:53" (1/3) ... [2022-07-12 14:45:01,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc4951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:45:01, skipping insertion in model container [2022-07-12 14:45:01,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:44:55" (2/3) ... [2022-07-12 14:45:01,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc4951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:45:01, skipping insertion in model container [2022-07-12 14:45:01,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:45:01" (3/3) ... [2022-07-12 14:45:01,825 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2022-07-12 14:45:01,834 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:45:01,834 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:45:01,894 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:45:01,898 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@32ed9c3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@39a65582 [2022-07-12 14:45:01,902 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:45:01,911 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) [2022-07-12 14:45:01,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-07-12 14:45:01,933 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:01,934 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] [2022-07-12 14:45:01,935 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:01,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:01,938 INFO L85 PathProgramCache]: Analyzing trace with hash 861348699, now seen corresponding path program 1 times [2022-07-12 14:45:01,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:45:01,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547426221] [2022-07-12 14:45:01,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:01,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:45:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:45:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:45:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:45:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:45:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 14:45:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 14:45:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 14:45:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:45:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:45:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-07-12 14:45:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 14:45:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 14:45:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 14:45:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:45:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:02,564 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-07-12 14:45:02,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:45:02,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547426221] [2022-07-12 14:45:02,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547426221] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:02,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:02,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:45:02,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703284386] [2022-07-12 14:45:02,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:02,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:45:02,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:45:02,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:45:02,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:02,602 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) [2022-07-12 14:45:08,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:08,599 INFO L93 Difference]: Finished difference Result 5270 states and 7957 transitions. [2022-07-12 14:45:08,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:45:08,601 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 [2022-07-12 14:45:08,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:08,655 INFO L225 Difference]: With dead ends: 5270 [2022-07-12 14:45:08,655 INFO L226 Difference]: Without dead ends: 3410 [2022-07-12 14:45:08,675 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 [2022-07-12 14:45:08,679 INFO L413 NwaCegarLoop]: 2820 mSDtfsCounter, 4053 mSDsluCounter, 2511 mSDsCounter, 0 mSdLazyCounter, 3330 mSolverCounterSat, 3966 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4264 SdHoareTripleChecker+Valid, 5331 SdHoareTripleChecker+Invalid, 7296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3966 IncrementalHoareTripleChecker+Valid, 3330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:08,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4264 Valid, 5331 Invalid, 7296 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3966 Valid, 3330 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-07-12 14:45:08,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2022-07-12 14:45:08,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 3285. [2022-07-12 14:45:08,947 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) [2022-07-12 14:45:08,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3285 states to 3285 states and 4787 transitions. [2022-07-12 14:45:08,978 INFO L78 Accepts]: Start accepts. Automaton has 3285 states and 4787 transitions. Word has length 128 [2022-07-12 14:45:08,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:08,979 INFO L495 AbstractCegarLoop]: Abstraction has 3285 states and 4787 transitions. [2022-07-12 14:45:08,979 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) [2022-07-12 14:45:08,980 INFO L276 IsEmpty]: Start isEmpty. Operand 3285 states and 4787 transitions. [2022-07-12 14:45:08,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-12 14:45:08,999 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:08,999 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] [2022-07-12 14:45:09,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 14:45:09,000 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:09,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:09,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1043063430, now seen corresponding path program 1 times [2022-07-12 14:45:09,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:45:09,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936524531] [2022-07-12 14:45:09,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:09,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:45:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:45:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:45:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:45:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:45:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 14:45:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:45:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:45:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:45:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:45:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:45:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:45:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 14:45:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 14:45:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:45:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:45:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:45:09,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 14:45:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-12 14:45:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 14:45:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-12 14:45:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:09,460 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-07-12 14:45:09,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:45:09,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936524531] [2022-07-12 14:45:09,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936524531] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:09,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:09,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:45:09,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507893306] [2022-07-12 14:45:09,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:09,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:45:09,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:45:09,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:45:09,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:45:09,466 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) [2022-07-12 14:45:18,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:18,747 INFO L93 Difference]: Finished difference Result 8959 states and 13160 transitions. [2022-07-12 14:45:18,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 14:45:18,748 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 [2022-07-12 14:45:18,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:18,780 INFO L225 Difference]: With dead ends: 8959 [2022-07-12 14:45:18,780 INFO L226 Difference]: Without dead ends: 5687 [2022-07-12 14:45:18,797 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 [2022-07-12 14:45:18,798 INFO L413 NwaCegarLoop]: 2282 mSDtfsCounter, 2796 mSDsluCounter, 2780 mSDsCounter, 0 mSdLazyCounter, 4329 mSolverCounterSat, 1902 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3230 SdHoareTripleChecker+Valid, 5062 SdHoareTripleChecker+Invalid, 6231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1902 IncrementalHoareTripleChecker+Valid, 4329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:18,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3230 Valid, 5062 Invalid, 6231 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1902 Valid, 4329 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-07-12 14:45:18,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5687 states. [2022-07-12 14:45:19,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5687 to 5122. [2022-07-12 14:45:19,075 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) [2022-07-12 14:45:19,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5122 states to 5122 states and 7436 transitions. [2022-07-12 14:45:19,095 INFO L78 Accepts]: Start accepts. Automaton has 5122 states and 7436 transitions. Word has length 194 [2022-07-12 14:45:19,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:19,097 INFO L495 AbstractCegarLoop]: Abstraction has 5122 states and 7436 transitions. [2022-07-12 14:45:19,097 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) [2022-07-12 14:45:19,098 INFO L276 IsEmpty]: Start isEmpty. Operand 5122 states and 7436 transitions. [2022-07-12 14:45:19,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-07-12 14:45:19,107 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:19,107 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] [2022-07-12 14:45:19,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 14:45:19,108 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:19,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:19,108 INFO L85 PathProgramCache]: Analyzing trace with hash 91197712, now seen corresponding path program 1 times [2022-07-12 14:45:19,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:45:19,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291490051] [2022-07-12 14:45:19,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:19,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:45:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:45:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:45:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:45:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:45:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 14:45:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:45:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 14:45:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 14:45:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 14:45:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 14:45:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:45:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:45:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 14:45:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:45:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 14:45:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:45:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:45:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 14:45:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 14:45:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:45:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 14:45:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:45:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:45:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-12 14:45:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:45:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 14:45:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 14:45:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 14:45:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-12 14:45:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-12 14:45:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-12 14:45:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 14:45:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-12 14:45:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:45:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-12 14:45:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:19,408 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2022-07-12 14:45:19,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:45:19,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291490051] [2022-07-12 14:45:19,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291490051] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:19,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:19,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:45:19,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097613965] [2022-07-12 14:45:19,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:19,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:45:19,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:45:19,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:45:19,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:45:19,411 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) [2022-07-12 14:45:26,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-12 14:45:26,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:26,814 INFO L93 Difference]: Finished difference Result 14115 states and 20474 transitions. [2022-07-12 14:45:26,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:45:26,814 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 [2022-07-12 14:45:26,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:26,854 INFO L225 Difference]: With dead ends: 14115 [2022-07-12 14:45:26,855 INFO L226 Difference]: Without dead ends: 9006 [2022-07-12 14:45:26,872 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 [2022-07-12 14:45:26,875 INFO L413 NwaCegarLoop]: 2401 mSDtfsCounter, 4634 mSDsluCounter, 2310 mSDsCounter, 0 mSdLazyCounter, 3298 mSolverCounterSat, 4113 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4847 SdHoareTripleChecker+Valid, 4711 SdHoareTripleChecker+Invalid, 7412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4113 IncrementalHoareTripleChecker+Valid, 3298 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:26,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4847 Valid, 4711 Invalid, 7412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4113 Valid, 3298 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-07-12 14:45:26,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9006 states. [2022-07-12 14:45:27,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9006 to 8576. [2022-07-12 14:45:27,325 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) [2022-07-12 14:45:27,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8576 states to 8576 states and 12365 transitions. [2022-07-12 14:45:27,353 INFO L78 Accepts]: Start accepts. Automaton has 8576 states and 12365 transitions. Word has length 244 [2022-07-12 14:45:27,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:27,354 INFO L495 AbstractCegarLoop]: Abstraction has 8576 states and 12365 transitions. [2022-07-12 14:45:27,355 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) [2022-07-12 14:45:27,355 INFO L276 IsEmpty]: Start isEmpty. Operand 8576 states and 12365 transitions. [2022-07-12 14:45:27,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-07-12 14:45:27,362 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:27,362 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] [2022-07-12 14:45:27,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 14:45:27,362 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:27,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:27,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1364980547, now seen corresponding path program 1 times [2022-07-12 14:45:27,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:45:27,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387129170] [2022-07-12 14:45:27,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:27,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:45:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:45:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:45:27,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:45:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:45:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 14:45:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 14:45:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:45:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 14:45:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 14:45:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:45:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 14:45:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:45:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-12 14:45:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:45:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:45:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:45:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:45:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 14:45:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 14:45:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-12 14:45:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:45:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:45:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 14:45:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-12 14:45:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 14:45:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-12 14:45:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-12 14:45:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:27,699 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-07-12 14:45:27,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:45:27,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387129170] [2022-07-12 14:45:27,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387129170] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:27,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:27,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:45:27,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888737215] [2022-07-12 14:45:27,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:27,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:45:27,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:45:27,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:45:27,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:45:27,702 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) [2022-07-12 14:45:36,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:36,294 INFO L93 Difference]: Finished difference Result 20832 states and 30234 transitions. [2022-07-12 14:45:36,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 14:45:36,295 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 [2022-07-12 14:45:36,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:36,351 INFO L225 Difference]: With dead ends: 20832 [2022-07-12 14:45:36,351 INFO L226 Difference]: Without dead ends: 12269 [2022-07-12 14:45:36,382 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 [2022-07-12 14:45:36,382 INFO L413 NwaCegarLoop]: 3329 mSDtfsCounter, 2189 mSDsluCounter, 3638 mSDsCounter, 0 mSdLazyCounter, 4641 mSolverCounterSat, 1581 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2627 SdHoareTripleChecker+Valid, 6967 SdHoareTripleChecker+Invalid, 6222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1581 IncrementalHoareTripleChecker+Valid, 4641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:36,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2627 Valid, 6967 Invalid, 6222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1581 Valid, 4641 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2022-07-12 14:45:36,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12269 states. [2022-07-12 14:45:36,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12269 to 10943. [2022-07-12 14:45:36,920 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) [2022-07-12 14:45:36,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10943 states to 10943 states and 15687 transitions. [2022-07-12 14:45:36,960 INFO L78 Accepts]: Start accepts. Automaton has 10943 states and 15687 transitions. Word has length 256 [2022-07-12 14:45:36,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:36,960 INFO L495 AbstractCegarLoop]: Abstraction has 10943 states and 15687 transitions. [2022-07-12 14:45:36,960 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) [2022-07-12 14:45:36,961 INFO L276 IsEmpty]: Start isEmpty. Operand 10943 states and 15687 transitions. [2022-07-12 14:45:36,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-07-12 14:45:36,969 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:36,969 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] [2022-07-12 14:45:36,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 14:45:36,970 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:36,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:36,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1000359159, now seen corresponding path program 1 times [2022-07-12 14:45:36,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:45:36,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022471430] [2022-07-12 14:45:36,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:36,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:45:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:45:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:45:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:45:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:45:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 14:45:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 14:45:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:45:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 14:45:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 14:45:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:45:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 14:45:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:45:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 14:45:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:45:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:45:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:45:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:45:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:45:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:45:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-12 14:45:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-12 14:45:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:45:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:45:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:45:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:45:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-12 14:45:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:45:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-12 14:45:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:45:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:45:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-12 14:45:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-12 14:45:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 14:45:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:45:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 14:45:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:37,430 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-07-12 14:45:37,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:45:37,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022471430] [2022-07-12 14:45:37,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022471430] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:37,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:37,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:45:37,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595417498] [2022-07-12 14:45:37,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:37,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:45:37,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:45:37,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:45:37,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:45:37,433 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) [2022-07-12 14:45:45,132 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 [] [2022-07-12 14:45:48,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:45:48,068 INFO L93 Difference]: Finished difference Result 25876 states and 37364 transitions. [2022-07-12 14:45:48,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 14:45:48,069 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 [2022-07-12 14:45:48,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:45:48,180 INFO L225 Difference]: With dead ends: 25876 [2022-07-12 14:45:48,180 INFO L226 Difference]: Without dead ends: 14946 [2022-07-12 14:45:48,207 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 [2022-07-12 14:45:48,208 INFO L413 NwaCegarLoop]: 3328 mSDtfsCounter, 2186 mSDsluCounter, 3647 mSDsCounter, 0 mSdLazyCounter, 4624 mSolverCounterSat, 1567 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2627 SdHoareTripleChecker+Valid, 6975 SdHoareTripleChecker+Invalid, 6192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1567 IncrementalHoareTripleChecker+Valid, 4624 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-07-12 14:45:48,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2627 Valid, 6975 Invalid, 6192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1567 Valid, 4624 Invalid, 1 Unknown, 0 Unchecked, 9.9s Time] [2022-07-12 14:45:48,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14946 states. [2022-07-12 14:45:48,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14946 to 13275. [2022-07-12 14:45:48,843 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) [2022-07-12 14:45:48,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13275 states to 13275 states and 18963 transitions. [2022-07-12 14:45:48,892 INFO L78 Accepts]: Start accepts. Automaton has 13275 states and 18963 transitions. Word has length 331 [2022-07-12 14:45:48,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:45:48,893 INFO L495 AbstractCegarLoop]: Abstraction has 13275 states and 18963 transitions. [2022-07-12 14:45:48,894 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) [2022-07-12 14:45:48,894 INFO L276 IsEmpty]: Start isEmpty. Operand 13275 states and 18963 transitions. [2022-07-12 14:45:48,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-07-12 14:45:48,902 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:45:48,903 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] [2022-07-12 14:45:48,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 14:45:48,903 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:45:48,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:45:48,903 INFO L85 PathProgramCache]: Analyzing trace with hash -331089936, now seen corresponding path program 1 times [2022-07-12 14:45:48,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:45:48,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552378353] [2022-07-12 14:45:48,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:45:48,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:45:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:45:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:45:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:45:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:45:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 14:45:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 14:45:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:45:49,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 14:45:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 14:45:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:45:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 14:45:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:45:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 14:45:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:45:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:45:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:45:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:45:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:45:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:45:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-12 14:45:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-12 14:45:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:45:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:45:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:45:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:45:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:45:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-12 14:45:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-12 14:45:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-12 14:45:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:45:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:45:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:45:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-12 14:45:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 14:45:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-12 14:45:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-12 14:45:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:45:49,286 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-07-12 14:45:49,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:45:49,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552378353] [2022-07-12 14:45:49,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552378353] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:45:49,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:45:49,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:45:49,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625895810] [2022-07-12 14:45:49,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:45:49,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:45:49,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:45:49,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:45:49,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:45:49,289 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) [2022-07-12 14:45:57,973 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 [] [2022-07-12 14:46:01,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:46:01,537 INFO L93 Difference]: Finished difference Result 33060 states and 47791 transitions. [2022-07-12 14:46:01,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 14:46:01,537 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 [2022-07-12 14:46:01,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:46:01,642 INFO L225 Difference]: With dead ends: 33060 [2022-07-12 14:46:01,643 INFO L226 Difference]: Without dead ends: 19798 [2022-07-12 14:46:01,689 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 [2022-07-12 14:46:01,691 INFO L413 NwaCegarLoop]: 3562 mSDtfsCounter, 2757 mSDsluCounter, 3323 mSDsCounter, 0 mSdLazyCounter, 4767 mSolverCounterSat, 1960 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3268 SdHoareTripleChecker+Valid, 6885 SdHoareTripleChecker+Invalid, 6728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1960 IncrementalHoareTripleChecker+Valid, 4767 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-07-12 14:46:01,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3268 Valid, 6885 Invalid, 6728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1960 Valid, 4767 Invalid, 1 Unknown, 0 Unchecked, 11.2s Time] [2022-07-12 14:46:01,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19798 states. [2022-07-12 14:46:02,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19798 to 17579. [2022-07-12 14:46:02,712 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) [2022-07-12 14:46:02,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17579 states to 17579 states and 25222 transitions. [2022-07-12 14:46:02,790 INFO L78 Accepts]: Start accepts. Automaton has 17579 states and 25222 transitions. Word has length 330 [2022-07-12 14:46:02,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:46:02,791 INFO L495 AbstractCegarLoop]: Abstraction has 17579 states and 25222 transitions. [2022-07-12 14:46:02,791 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) [2022-07-12 14:46:02,791 INFO L276 IsEmpty]: Start isEmpty. Operand 17579 states and 25222 transitions. [2022-07-12 14:46:02,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-07-12 14:46:02,802 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:46:02,802 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] [2022-07-12 14:46:02,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 14:46:02,802 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:46:02,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:46:02,803 INFO L85 PathProgramCache]: Analyzing trace with hash 60245586, now seen corresponding path program 1 times [2022-07-12 14:46:02,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:46:02,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864514250] [2022-07-12 14:46:02,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:46:02,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:46:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:46:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:46:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:46:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:46:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 14:46:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 14:46:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:46:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 14:46:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 14:46:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:46:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 14:46:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:46:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 14:46:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:46:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:46:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:46:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:46:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:02,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:46:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:46:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-12 14:46:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 14:46:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 14:46:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:03,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-12 14:46:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-12 14:46:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-12 14:46:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:46:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:46:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:46:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:46:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:46:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-12 14:46:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-12 14:46:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:46:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:46:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-12 14:46:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-12 14:46:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 14:46:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-12 14:46:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-12 14:46:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:03,155 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2022-07-12 14:46:03,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:46:03,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864514250] [2022-07-12 14:46:03,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864514250] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:46:03,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:46:03,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:46:03,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589911845] [2022-07-12 14:46:03,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:46:03,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:46:03,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:46:03,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:46:03,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:46:03,157 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) [2022-07-12 14:46:10,317 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 [] [2022-07-12 14:46:14,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:46:14,137 INFO L93 Difference]: Finished difference Result 40033 states and 57862 transitions. [2022-07-12 14:46:14,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 14:46:14,137 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 [2022-07-12 14:46:14,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:46:14,266 INFO L225 Difference]: With dead ends: 40033 [2022-07-12 14:46:14,267 INFO L226 Difference]: Without dead ends: 22467 [2022-07-12 14:46:14,328 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 [2022-07-12 14:46:14,330 INFO L413 NwaCegarLoop]: 3185 mSDtfsCounter, 2864 mSDsluCounter, 2729 mSDsCounter, 0 mSdLazyCounter, 3916 mSolverCounterSat, 2639 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3303 SdHoareTripleChecker+Valid, 5914 SdHoareTripleChecker+Invalid, 6556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2639 IncrementalHoareTripleChecker+Valid, 3916 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-07-12 14:46:14,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3303 Valid, 5914 Invalid, 6556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2639 Valid, 3916 Invalid, 1 Unknown, 0 Unchecked, 9.6s Time] [2022-07-12 14:46:14,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22467 states. [2022-07-12 14:46:15,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22467 to 19903. [2022-07-12 14:46:15,708 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) [2022-07-12 14:46:15,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19903 states to 19903 states and 28494 transitions. [2022-07-12 14:46:15,997 INFO L78 Accepts]: Start accepts. Automaton has 19903 states and 28494 transitions. Word has length 385 [2022-07-12 14:46:15,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:46:15,998 INFO L495 AbstractCegarLoop]: Abstraction has 19903 states and 28494 transitions. [2022-07-12 14:46:15,998 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) [2022-07-12 14:46:15,998 INFO L276 IsEmpty]: Start isEmpty. Operand 19903 states and 28494 transitions. [2022-07-12 14:46:16,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-07-12 14:46:16,013 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:46:16,014 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] [2022-07-12 14:46:16,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 14:46:16,014 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:46:16,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:46:16,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1024057141, now seen corresponding path program 1 times [2022-07-12 14:46:16,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:46:16,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139850714] [2022-07-12 14:46:16,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:46:16,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:46:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:46:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:46:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:46:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:46:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 14:46:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 14:46:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:46:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 14:46:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 14:46:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:46:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 14:46:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:46:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 14:46:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:46:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:46:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:46:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:46:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:46:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:46:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-12 14:46:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 14:46:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 14:46:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-12 14:46:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-12 14:46:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-12 14:46:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:46:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:46:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:46:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:46:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-12 14:46:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-12 14:46:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 14:46:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:46:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:46:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-12 14:46:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-12 14:46:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-12 14:46:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 14:46:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 14:46:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:16,419 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2022-07-12 14:46:16,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:46:16,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139850714] [2022-07-12 14:46:16,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139850714] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:46:16,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:46:16,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:46:16,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060437183] [2022-07-12 14:46:16,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:46:16,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:46:16,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:46:16,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:46:16,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:46:16,423 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) [2022-07-12 14:46:24,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:46:24,931 INFO L93 Difference]: Finished difference Result 45074 states and 65014 transitions. [2022-07-12 14:46:24,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 14:46:24,932 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 [2022-07-12 14:46:24,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:46:25,096 INFO L225 Difference]: With dead ends: 45074 [2022-07-12 14:46:25,097 INFO L226 Difference]: Without dead ends: 25184 [2022-07-12 14:46:25,190 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 [2022-07-12 14:46:25,191 INFO L413 NwaCegarLoop]: 3324 mSDtfsCounter, 3525 mSDsluCounter, 2930 mSDsCounter, 0 mSdLazyCounter, 3843 mSolverCounterSat, 3622 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3964 SdHoareTripleChecker+Valid, 6254 SdHoareTripleChecker+Invalid, 7465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3622 IncrementalHoareTripleChecker+Valid, 3843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-07-12 14:46:25,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3964 Valid, 6254 Invalid, 7465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3622 Valid, 3843 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-07-12 14:46:25,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25184 states. [2022-07-12 14:46:26,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25184 to 22275. [2022-07-12 14:46:26,571 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) [2022-07-12 14:46:26,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22275 states to 22275 states and 31822 transitions. [2022-07-12 14:46:26,653 INFO L78 Accepts]: Start accepts. Automaton has 22275 states and 31822 transitions. Word has length 384 [2022-07-12 14:46:26,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:46:26,654 INFO L495 AbstractCegarLoop]: Abstraction has 22275 states and 31822 transitions. [2022-07-12 14:46:26,655 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) [2022-07-12 14:46:26,655 INFO L276 IsEmpty]: Start isEmpty. Operand 22275 states and 31822 transitions. [2022-07-12 14:46:26,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-07-12 14:46:26,666 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:46:26,666 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] [2022-07-12 14:46:26,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 14:46:26,667 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:46:26,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:46:26,667 INFO L85 PathProgramCache]: Analyzing trace with hash -225089381, now seen corresponding path program 1 times [2022-07-12 14:46:26,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:46:26,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3702227] [2022-07-12 14:46:26,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:46:26,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:46:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:46:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:46:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:46:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:46:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 14:46:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 14:46:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:46:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 14:46:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 14:46:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:46:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 14:46:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:46:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 14:46:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:46:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:46:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:46:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:46:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:46:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:46:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-12 14:46:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 14:46:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 14:46:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-12 14:46:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-12 14:46:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-12 14:46:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-12 14:46:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-12 14:46:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:26,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-12 14:46:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:27,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:46:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:27,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:27,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:46:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:27,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:46:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:27,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:46:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:27,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-12 14:46:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:27,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-12 14:46:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:27,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 14:46:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:27,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:46:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:27,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:46:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:27,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-12 14:46:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:27,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-12 14:46:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:27,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-12 14:46:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:27,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-12 14:46:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:27,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-12 14:46:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:27,063 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2022-07-12 14:46:27,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:46:27,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3702227] [2022-07-12 14:46:27,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3702227] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:46:27,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:46:27,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 14:46:27,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317723860] [2022-07-12 14:46:27,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:46:27,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 14:46:27,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:46:27,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 14:46:27,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:46:27,066 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) [2022-07-12 14:46:38,905 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 [] [2022-07-12 14:46:41,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-12 14:46:44,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:46:44,208 INFO L93 Difference]: Finished difference Result 51310 states and 73896 transitions. [2022-07-12 14:46:44,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 14:46:44,208 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 [2022-07-12 14:46:44,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:46:44,321 INFO L225 Difference]: With dead ends: 51310 [2022-07-12 14:46:44,321 INFO L226 Difference]: Without dead ends: 29048 [2022-07-12 14:46:44,385 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 [2022-07-12 14:46:44,386 INFO L413 NwaCegarLoop]: 3259 mSDtfsCounter, 3791 mSDsluCounter, 5530 mSDsCounter, 0 mSdLazyCounter, 9367 mSolverCounterSat, 3909 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4228 SdHoareTripleChecker+Valid, 8789 SdHoareTripleChecker+Invalid, 13278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3909 IncrementalHoareTripleChecker+Valid, 9367 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:46:44,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4228 Valid, 8789 Invalid, 13278 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3909 Valid, 9367 Invalid, 2 Unknown, 0 Unchecked, 15.4s Time] [2022-07-12 14:46:44,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29048 states. [2022-07-12 14:46:45,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29048 to 25638. [2022-07-12 14:46:45,786 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) [2022-07-12 14:46:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25638 states to 25638 states and 36622 transitions. [2022-07-12 14:46:45,889 INFO L78 Accepts]: Start accepts. Automaton has 25638 states and 36622 transitions. Word has length 426 [2022-07-12 14:46:45,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:46:45,890 INFO L495 AbstractCegarLoop]: Abstraction has 25638 states and 36622 transitions. [2022-07-12 14:46:45,890 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) [2022-07-12 14:46:45,891 INFO L276 IsEmpty]: Start isEmpty. Operand 25638 states and 36622 transitions. [2022-07-12 14:46:45,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-07-12 14:46:45,903 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:46:45,903 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] [2022-07-12 14:46:45,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 14:46:45,904 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:46:45,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:46:45,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1982081854, now seen corresponding path program 1 times [2022-07-12 14:46:45,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:46:45,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630880534] [2022-07-12 14:46:45,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:46:45,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:46:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:46:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:46:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:46:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:46:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:46,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 14:46:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 14:46:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:46:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 14:46:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 14:46:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:46:46,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 14:46:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:46:46,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 14:46:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:46:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:46:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:46:46,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:46:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:46:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:46:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-12 14:46:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 14:46:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 14:46:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-12 14:46:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-12 14:46:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-12 14:46:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-12 14:46:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:46,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-12 14:46:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-12 14:46:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:46:46,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:46:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:46:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:46:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:46:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-12 14:46:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-12 14:46:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 14:46:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:46:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:46:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-12 14:46:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-12 14:46:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-12 14:46:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-12 14:46:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-12 14:46:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:46:46,461 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2022-07-12 14:46:46,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:46:46,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630880534] [2022-07-12 14:46:46,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630880534] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:46:46,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:46:46,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 14:46:46,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658567227] [2022-07-12 14:46:46,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:46:46,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 14:46:46,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:46:46,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 14:46:46,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:46:46,463 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) [2022-07-12 14:46:57,968 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 [] [2022-07-12 14:47:03,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:47:03,654 INFO L93 Difference]: Finished difference Result 57370 states and 82560 transitions. [2022-07-12 14:47:03,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 14:47:03,655 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 [2022-07-12 14:47:03,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:47:03,776 INFO L225 Difference]: With dead ends: 57370 [2022-07-12 14:47:03,776 INFO L226 Difference]: Without dead ends: 31745 [2022-07-12 14:47:03,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-07-12 14:47:03,841 INFO L413 NwaCegarLoop]: 3326 mSDtfsCounter, 2200 mSDsluCounter, 6497 mSDsCounter, 0 mSdLazyCounter, 10009 mSolverCounterSat, 1571 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2641 SdHoareTripleChecker+Valid, 9823 SdHoareTripleChecker+Invalid, 11581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1571 IncrementalHoareTripleChecker+Valid, 10009 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-07-12 14:47:03,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2641 Valid, 9823 Invalid, 11581 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1571 Valid, 10009 Invalid, 1 Unknown, 0 Unchecked, 15.3s Time] [2022-07-12 14:47:03,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31745 states. [2022-07-12 14:47:05,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31745 to 27990. [2022-07-12 14:47:05,234 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) [2022-07-12 14:47:05,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27990 states to 27990 states and 39918 transitions. [2022-07-12 14:47:05,328 INFO L78 Accepts]: Start accepts. Automaton has 27990 states and 39918 transitions. Word has length 426 [2022-07-12 14:47:05,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:47:05,329 INFO L495 AbstractCegarLoop]: Abstraction has 27990 states and 39918 transitions. [2022-07-12 14:47:05,329 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) [2022-07-12 14:47:05,329 INFO L276 IsEmpty]: Start isEmpty. Operand 27990 states and 39918 transitions. [2022-07-12 14:47:05,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2022-07-12 14:47:05,344 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:47:05,345 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] [2022-07-12 14:47:05,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 14:47:05,345 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:47:05,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:47:05,346 INFO L85 PathProgramCache]: Analyzing trace with hash 883687870, now seen corresponding path program 1 times [2022-07-12 14:47:05,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:47:05,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371669253] [2022-07-12 14:47:05,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:47:05,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:47:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:47:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:47:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:47:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:47:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 14:47:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 14:47:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:47:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 14:47:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 14:47:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:47:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 14:47:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:47:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 14:47:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:47:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:47:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:47:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:47:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:47:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:47:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-12 14:47:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 14:47:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 14:47:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-12 14:47:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-12 14:47:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-12 14:47:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-12 14:47:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-12 14:47:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-12 14:47:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:47:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:47:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:47:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:47:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-12 14:47:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-12 14:47:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-12 14:47:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:47:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:47:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-12 14:47:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-12 14:47:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-12 14:47:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 14:47:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-12 14:47:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:05,653 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2022-07-12 14:47:05,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:47:05,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371669253] [2022-07-12 14:47:05,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371669253] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:47:05,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:47:05,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 14:47:05,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276300915] [2022-07-12 14:47:05,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:47:05,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 14:47:05,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:47:05,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 14:47:05,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:47:05,655 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) [2022-07-12 14:47:16,924 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-12 14:47:19,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-12 14:47:25,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:47:25,274 INFO L93 Difference]: Finished difference Result 62383 states and 89676 transitions. [2022-07-12 14:47:25,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 14:47:25,275 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 [2022-07-12 14:47:25,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:47:25,399 INFO L225 Difference]: With dead ends: 62383 [2022-07-12 14:47:25,399 INFO L226 Difference]: Without dead ends: 34406 [2022-07-12 14:47:25,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-07-12 14:47:25,476 INFO L413 NwaCegarLoop]: 3330 mSDtfsCounter, 2188 mSDsluCounter, 6504 mSDsCounter, 0 mSdLazyCounter, 10048 mSolverCounterSat, 1560 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2627 SdHoareTripleChecker+Valid, 9834 SdHoareTripleChecker+Invalid, 11610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1560 IncrementalHoareTripleChecker+Valid, 10048 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:47:25,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2627 Valid, 9834 Invalid, 11610 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1560 Valid, 10048 Invalid, 2 Unknown, 0 Unchecked, 17.4s Time] [2022-07-12 14:47:25,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34406 states. [2022-07-12 14:47:26,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34406 to 30306. [2022-07-12 14:47:26,936 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) [2022-07-12 14:47:27,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30306 states to 30306 states and 43182 transitions. [2022-07-12 14:47:27,047 INFO L78 Accepts]: Start accepts. Automaton has 30306 states and 43182 transitions. Word has length 428 [2022-07-12 14:47:27,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:47:27,048 INFO L495 AbstractCegarLoop]: Abstraction has 30306 states and 43182 transitions. [2022-07-12 14:47:27,048 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) [2022-07-12 14:47:27,048 INFO L276 IsEmpty]: Start isEmpty. Operand 30306 states and 43182 transitions. [2022-07-12 14:47:27,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2022-07-12 14:47:27,059 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:47:27,059 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] [2022-07-12 14:47:27,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 14:47:27,059 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:47:27,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:47:27,060 INFO L85 PathProgramCache]: Analyzing trace with hash -119098029, now seen corresponding path program 1 times [2022-07-12 14:47:27,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:47:27,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334678810] [2022-07-12 14:47:27,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:47:27,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:47:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:47:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:47:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:47:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:47:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 14:47:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 14:47:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:47:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 14:47:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 14:47:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:47:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 14:47:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:47:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 14:47:27,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:47:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:47:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:47:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:47:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:47:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:47:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-12 14:47:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 14:47:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 14:47:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-12 14:47:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-12 14:47:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-12 14:47:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-12 14:47:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-12 14:47:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-12 14:47:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 14:47:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:47:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:47:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:47:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:47:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-12 14:47:27,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-12 14:47:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-12 14:47:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:47:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:47:27,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-12 14:47:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 14:47:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-12 14:47:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-12 14:47:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-12 14:47:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:27,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1018 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 939 trivial. 0 not checked. [2022-07-12 14:47:27,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:47:27,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334678810] [2022-07-12 14:47:27,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334678810] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:47:27,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:47:27,349 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:47:27,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862684938] [2022-07-12 14:47:27,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:47:27,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:47:27,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:47:27,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:47:27,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:47:27,351 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) [2022-07-12 14:47:38,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:47:38,510 INFO L93 Difference]: Finished difference Result 68226 states and 98036 transitions. [2022-07-12 14:47:38,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 14:47:38,511 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 [2022-07-12 14:47:38,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:47:38,705 INFO L225 Difference]: With dead ends: 68226 [2022-07-12 14:47:38,705 INFO L226 Difference]: Without dead ends: 37933 [2022-07-12 14:47:38,833 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 [2022-07-12 14:47:38,834 INFO L413 NwaCegarLoop]: 3375 mSDtfsCounter, 3695 mSDsluCounter, 2934 mSDsCounter, 0 mSdLazyCounter, 3885 mSolverCounterSat, 3801 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4134 SdHoareTripleChecker+Valid, 6309 SdHoareTripleChecker+Invalid, 7686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3801 IncrementalHoareTripleChecker+Valid, 3885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:47:38,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4134 Valid, 6309 Invalid, 7686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3801 Valid, 3885 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-07-12 14:47:38,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37933 states. [2022-07-12 14:47:40,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37933 to 33354. [2022-07-12 14:47:40,744 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) [2022-07-12 14:47:40,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33354 states to 33354 states and 47556 transitions. [2022-07-12 14:47:40,878 INFO L78 Accepts]: Start accepts. Automaton has 33354 states and 47556 transitions. Word has length 442 [2022-07-12 14:47:40,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:47:40,879 INFO L495 AbstractCegarLoop]: Abstraction has 33354 states and 47556 transitions. [2022-07-12 14:47:40,879 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) [2022-07-12 14:47:40,879 INFO L276 IsEmpty]: Start isEmpty. Operand 33354 states and 47556 transitions. [2022-07-12 14:47:40,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2022-07-12 14:47:40,892 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:47:40,893 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] [2022-07-12 14:47:40,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 14:47:40,893 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:47:40,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:47:40,893 INFO L85 PathProgramCache]: Analyzing trace with hash 302869392, now seen corresponding path program 1 times [2022-07-12 14:47:40,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:47:40,894 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013791640] [2022-07-12 14:47:40,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:47:40,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:47:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:47:41,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:47:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:47:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:47:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 14:47:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 14:47:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:47:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 14:47:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 14:47:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:47:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 14:47:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:47:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 14:47:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:41,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:47:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:47:41,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:47:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:47:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:47:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:47:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-12 14:47:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 14:47:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 14:47:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-12 14:47:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-12 14:47:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-12 14:47:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-12 14:47:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-12 14:47:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-12 14:47:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-12 14:47:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:47:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:47:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:47:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:47:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-12 14:47:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-12 14:47:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-12 14:47:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:47:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:47:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-12 14:47:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-12 14:47:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-12 14:47:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-12 14:47:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-12 14:47:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:41,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1045 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2022-07-12 14:47:41,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:47:41,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013791640] [2022-07-12 14:47:41,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013791640] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:47:41,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:47:41,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:47:41,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243355189] [2022-07-12 14:47:41,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:47:41,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:47:41,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:47:41,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:47:41,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:47:41,262 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) [2022-07-12 14:47:49,812 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 [] [2022-07-12 14:47:54,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:47:54,171 INFO L93 Difference]: Finished difference Result 73975 states and 106298 transitions. [2022-07-12 14:47:54,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 14:47:54,172 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 [2022-07-12 14:47:54,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:47:54,444 INFO L225 Difference]: With dead ends: 73975 [2022-07-12 14:47:54,444 INFO L226 Difference]: Without dead ends: 40634 [2022-07-12 14:47:54,513 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 [2022-07-12 14:47:54,513 INFO L413 NwaCegarLoop]: 3329 mSDtfsCounter, 3487 mSDsluCounter, 2936 mSDsCounter, 0 mSdLazyCounter, 3830 mSolverCounterSat, 3620 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3926 SdHoareTripleChecker+Valid, 6265 SdHoareTripleChecker+Invalid, 7451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3620 IncrementalHoareTripleChecker+Valid, 3830 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:47:54,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3926 Valid, 6265 Invalid, 7451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3620 Valid, 3830 Invalid, 1 Unknown, 0 Unchecked, 10.4s Time] [2022-07-12 14:47:54,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40634 states. [2022-07-12 14:47:56,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40634 to 35710. [2022-07-12 14:47:56,269 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) [2022-07-12 14:47:56,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35710 states to 35710 states and 50868 transitions. [2022-07-12 14:47:56,424 INFO L78 Accepts]: Start accepts. Automaton has 35710 states and 50868 transitions. Word has length 450 [2022-07-12 14:47:56,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:47:56,425 INFO L495 AbstractCegarLoop]: Abstraction has 35710 states and 50868 transitions. [2022-07-12 14:47:56,425 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) [2022-07-12 14:47:56,427 INFO L276 IsEmpty]: Start isEmpty. Operand 35710 states and 50868 transitions. [2022-07-12 14:47:56,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2022-07-12 14:47:56,440 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:47:56,440 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] [2022-07-12 14:47:56,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 14:47:56,440 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:47:56,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:47:56,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1695224394, now seen corresponding path program 1 times [2022-07-12 14:47:56,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:47:56,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135866030] [2022-07-12 14:47:56,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:47:56,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:47:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:47:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:47:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:47:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:47:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 14:47:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 14:47:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:47:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 14:47:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 14:47:56,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:47:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 14:47:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:47:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 14:47:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:56,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:47:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:47:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:47:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:47:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:47:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:47:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-12 14:47:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 14:47:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 14:47:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:56,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-12 14:47:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-12 14:47:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-12 14:47:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-12 14:47:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-12 14:47:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-12 14:47:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-12 14:47:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-12 14:47:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:47:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:47:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:47:57,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:47:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:47:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-12 14:47:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-12 14:47:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 14:47:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:47:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:47:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-12 14:47:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-12 14:47:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-12 14:47:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-12 14:47:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-12 14:47:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:47:57,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2022-07-12 14:47:57,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:47:57,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135866030] [2022-07-12 14:47:57,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135866030] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:47:57,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:47:57,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:47:57,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005380677] [2022-07-12 14:47:57,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:47:57,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:47:57,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:47:57,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:47:57,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:47:57,250 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) [2022-07-12 14:48:07,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:48:07,455 INFO L93 Difference]: Finished difference Result 78980 states and 113402 transitions. [2022-07-12 14:48:07,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 14:48:07,456 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 [2022-07-12 14:48:07,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:48:07,622 INFO L225 Difference]: With dead ends: 78980 [2022-07-12 14:48:07,622 INFO L226 Difference]: Without dead ends: 43283 [2022-07-12 14:48:07,720 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 [2022-07-12 14:48:07,720 INFO L413 NwaCegarLoop]: 3332 mSDtfsCounter, 3490 mSDsluCounter, 2932 mSDsCounter, 0 mSdLazyCounter, 3818 mSolverCounterSat, 3611 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3930 SdHoareTripleChecker+Valid, 6264 SdHoareTripleChecker+Invalid, 7429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3611 IncrementalHoareTripleChecker+Valid, 3818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:48:07,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3930 Valid, 6264 Invalid, 7429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3611 Valid, 3818 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-07-12 14:48:07,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43283 states. [2022-07-12 14:48:09,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43283 to 38014. [2022-07-12 14:48:09,846 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) [2022-07-12 14:48:09,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38014 states to 38014 states and 54120 transitions. [2022-07-12 14:48:10,010 INFO L78 Accepts]: Start accepts. Automaton has 38014 states and 54120 transitions. Word has length 463 [2022-07-12 14:48:10,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:48:10,010 INFO L495 AbstractCegarLoop]: Abstraction has 38014 states and 54120 transitions. [2022-07-12 14:48:10,011 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) [2022-07-12 14:48:10,011 INFO L276 IsEmpty]: Start isEmpty. Operand 38014 states and 54120 transitions. [2022-07-12 14:48:10,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2022-07-12 14:48:10,023 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:48:10,023 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] [2022-07-12 14:48:10,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 14:48:10,023 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:48:10,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:48:10,024 INFO L85 PathProgramCache]: Analyzing trace with hash 893713462, now seen corresponding path program 1 times [2022-07-12 14:48:10,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:48:10,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834042970] [2022-07-12 14:48:10,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:48:10,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:48:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:48:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:48:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:48:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:48:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 14:48:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 14:48:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:48:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 14:48:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 14:48:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:48:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 14:48:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:48:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 14:48:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:48:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:48:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:48:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:48:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:48:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:48:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-12 14:48:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 14:48:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 14:48:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-12 14:48:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-12 14:48:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-12 14:48:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-12 14:48:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-12 14:48:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-12 14:48:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 14:48:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-12 14:48:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-12 14:48:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:48:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:48:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:48:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:48:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-12 14:48:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2022-07-12 14:48:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2022-07-12 14:48:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:48:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:48:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-12 14:48:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-12 14:48:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 14:48:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-12 14:48:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-12 14:48:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:10,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 1139 trivial. 0 not checked. [2022-07-12 14:48:10,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:48:10,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834042970] [2022-07-12 14:48:10,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834042970] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:48:10,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:48:10,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 14:48:10,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681483856] [2022-07-12 14:48:10,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:48:10,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 14:48:10,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:48:10,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 14:48:10,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:48:10,528 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) [2022-07-12 14:48:24,597 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 [] [2022-07-12 14:48:26,691 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 [] [2022-07-12 14:48:31,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:48:31,463 INFO L93 Difference]: Finished difference Result 84902 states and 121856 transitions. [2022-07-12 14:48:31,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 14:48:31,463 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 [2022-07-12 14:48:31,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:48:31,634 INFO L225 Difference]: With dead ends: 84902 [2022-07-12 14:48:31,634 INFO L226 Difference]: Without dead ends: 46901 [2022-07-12 14:48:31,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2022-07-12 14:48:31,735 INFO L413 NwaCegarLoop]: 3096 mSDtfsCounter, 2554 mSDsluCounter, 6246 mSDsCounter, 0 mSdLazyCounter, 9711 mSolverCounterSat, 1798 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2993 SdHoareTripleChecker+Valid, 9342 SdHoareTripleChecker+Invalid, 11511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1798 IncrementalHoareTripleChecker+Valid, 9711 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-07-12 14:48:31,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2993 Valid, 9342 Invalid, 11511 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1798 Valid, 9711 Invalid, 2 Unknown, 0 Unchecked, 17.6s Time] [2022-07-12 14:48:31,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46901 states. [2022-07-12 14:48:34,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46901 to 38909. [2022-07-12 14:48:34,107 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) [2022-07-12 14:48:34,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38909 states to 38909 states and 55410 transitions. [2022-07-12 14:48:34,302 INFO L78 Accepts]: Start accepts. Automaton has 38909 states and 55410 transitions. Word has length 481 [2022-07-12 14:48:34,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:48:34,303 INFO L495 AbstractCegarLoop]: Abstraction has 38909 states and 55410 transitions. [2022-07-12 14:48:34,303 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) [2022-07-12 14:48:34,303 INFO L276 IsEmpty]: Start isEmpty. Operand 38909 states and 55410 transitions. [2022-07-12 14:48:34,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-07-12 14:48:34,316 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:48:34,316 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] [2022-07-12 14:48:34,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-12 14:48:34,318 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:48:34,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:48:34,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1617737430, now seen corresponding path program 1 times [2022-07-12 14:48:34,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:48:34,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025316174] [2022-07-12 14:48:34,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:48:34,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:48:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:48:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:48:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:48:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:48:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-12 14:48:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-12 14:48:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 14:48:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-12 14:48:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-12 14:48:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:48:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 14:48:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:48:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 14:48:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:48:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:48:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:48:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:34,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:48:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:48:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 14:48:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-12 14:48:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 14:48:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 14:48:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-12 14:48:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-12 14:48:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-12 14:48:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-12 14:48:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-12 14:48:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-12 14:48:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 14:48:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-12 14:48:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-12 14:48:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:48:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:48:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 14:48:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 14:48:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:48:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 14:48:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-12 14:48:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-12 14:48:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:48:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:48:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-12 14:48:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-12 14:48:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-12 14:48:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 14:48:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-07-12 14:48:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:48:34,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2022-07-12 14:48:34,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:48:34,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025316174] [2022-07-12 14:48:34,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025316174] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:48:34,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:48:34,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 14:48:34,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765096738] [2022-07-12 14:48:34,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:48:34,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 14:48:34,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:48:34,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 14:48:34,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:48:34,905 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)