./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-usb-kaweth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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-usb-kaweth.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 104510927d9409ade9caf80490257750edc55f0d04f472d0e2cf5426e55ff4e4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 06:45:05,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 06:45:05,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 06:45:05,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 06:45:05,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 06:45:05,623 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 06:45:05,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 06:45:05,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 06:45:05,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 06:45:05,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 06:45:05,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 06:45:05,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 06:45:05,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 06:45:05,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 06:45:05,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 06:45:05,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 06:45:05,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 06:45:05,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 06:45:05,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 06:45:05,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 06:45:05,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 06:45:05,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 06:45:05,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 06:45:05,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 06:45:05,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 06:45:05,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 06:45:05,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 06:45:05,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 06:45:05,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 06:45:05,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 06:45:05,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 06:45:05,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 06:45:05,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 06:45:05,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 06:45:05,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 06:45:05,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 06:45:05,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 06:45:05,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 06:45:05,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 06:45:05,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 06:45:05,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 06:45:05,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 06:45:05,715 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 06:45:05,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 06:45:05,716 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 06:45:05,717 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 06:45:05,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 06:45:05,718 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 06:45:05,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 06:45:05,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 06:45:05,719 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 06:45:05,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 06:45:05,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 06:45:05,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 06:45:05,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 06:45:05,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 06:45:05,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 06:45:05,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 06:45:05,721 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 06:45:05,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 06:45:05,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 06:45:05,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 06:45:05,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 06:45:05,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 06:45:05,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 06:45:05,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 06:45:05,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 06:45:05,722 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 06:45:05,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 06:45:05,723 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 06:45:05,723 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 06:45:05,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 06:45:05,723 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 06:45:05,724 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 104510927d9409ade9caf80490257750edc55f0d04f472d0e2cf5426e55ff4e4 [2021-11-17 06:45:05,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 06:45:05,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 06:45:05,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 06:45:05,995 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 06:45:05,996 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 06:45:05,997 INFO L432 ainManager$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-usb-kaweth.cil.i [2021-11-17 06:45:06,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44acb1e93/524ba6ac1de4492abfd374cced67923b/FLAGed8614f74 [2021-11-17 06:45:06,755 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 06:45:06,756 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-usb-kaweth.cil.i [2021-11-17 06:45:06,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44acb1e93/524ba6ac1de4492abfd374cced67923b/FLAGed8614f74 [2021-11-17 06:45:06,836 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44acb1e93/524ba6ac1de4492abfd374cced67923b [2021-11-17 06:45:06,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 06:45:06,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 06:45:06,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 06:45:06,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 06:45:06,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 06:45:06,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:45:06" (1/1) ... [2021-11-17 06:45:06,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d0dd4b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:45:06, skipping insertion in model container [2021-11-17 06:45:06,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:45:06" (1/1) ... [2021-11-17 06:45:06,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 06:45:06,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 06:45:08,994 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-usb-kaweth.cil.i[307491,307504] [2021-11-17 06:45:08,997 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-usb-kaweth.cil.i[307636,307649] [2021-11-17 06:45:09,012 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 06:45:09,066 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 06:45:09,355 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-usb-kaweth.cil.i[307491,307504] [2021-11-17 06:45:09,356 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-usb-kaweth.cil.i[307636,307649] [2021-11-17 06:45:09,360 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 06:45:09,493 INFO L208 MainTranslator]: Completed translation [2021-11-17 06:45:09,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:45:09 WrapperNode [2021-11-17 06:45:09,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 06:45:09,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 06:45:09,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 06:45:09,495 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 06:45:09,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:45:09" (1/1) ... [2021-11-17 06:45:09,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:45:09" (1/1) ... [2021-11-17 06:45:09,754 INFO L137 Inliner]: procedures = 391, calls = 2618, calls flagged for inlining = 190, calls inlined = 155, statements flattened = 4314 [2021-11-17 06:45:09,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 06:45:09,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 06:45:09,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 06:45:09,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 06:45:09,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:45:09" (1/1) ... [2021-11-17 06:45:09,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:45:09" (1/1) ... [2021-11-17 06:45:09,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:45:09" (1/1) ... [2021-11-17 06:45:09,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:45:09" (1/1) ... [2021-11-17 06:45:09,948 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:45:09" (1/1) ... [2021-11-17 06:45:09,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:45:09" (1/1) ... [2021-11-17 06:45:09,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:45:09" (1/1) ... [2021-11-17 06:45:10,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 06:45:10,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 06:45:10,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 06:45:10,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 06:45:10,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:45:09" (1/1) ... [2021-11-17 06:45:10,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 06:45:10,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 06:45:10,049 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) [2021-11-17 06:45:10,061 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 [2021-11-17 06:45:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_95 [2021-11-17 06:45:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_95 [2021-11-17 06:45:10,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 06:45:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 06:45:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-17 06:45:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-17 06:45:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 06:45:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 06:45:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_91 [2021-11-17 06:45:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_91 [2021-11-17 06:45:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_open [2021-11-17 06:45:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_open [2021-11-17 06:45:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-17 06:45:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-17 06:45:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-17 06:45:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resume [2021-11-17 06:45:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resume [2021-11-17 06:45:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 06:45:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 06:45:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 06:45:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 06:45:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 06:45:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 06:45:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 06:45:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 06:45:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 06:45:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 06:45:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_device_lock_of_kaweth_device [2021-11-17 06:45:10,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_device_lock_of_kaweth_device [2021-11-17 06:45:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_rx_urb [2021-11-17 06:45:10,092 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_rx_urb [2021-11-17 06:45:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 06:45:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 06:45:10,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 06:45:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-11-17 06:45:10,093 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-11-17 06:45:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 06:45:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-17 06:45:10,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-17 06:45:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 06:45:10,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 06:45:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 06:45:10,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 06:45:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-17 06:45:10,095 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-17 06:45:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 06:45:10,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 06:45:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_close [2021-11-17 06:45:10,096 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_close [2021-11-17 06:45:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_download_firmware [2021-11-17 06:45:10,096 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_download_firmware [2021-11-17 06:45:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 06:45:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 06:45:10,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 06:45:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 06:45:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 06:45:10,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 06:45:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 06:45:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 06:45:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 06:45:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 06:45:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-17 06:45:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-17 06:45:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-17 06:45:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-17 06:45:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-17 06:45:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-17 06:45:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-17 06:45:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-17 06:45:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-17 06:45:10,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-17 06:45:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-17 06:45:10,101 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-17 06:45:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-17 06:45:10,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-17 06:45:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_tx_timeout [2021-11-17 06:45:10,102 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_tx_timeout [2021-11-17 06:45:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 06:45:10,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 06:45:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_kaweth_driver_exit_11_2 [2021-11-17 06:45:10,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_kaweth_driver_exit_11_2 [2021-11-17 06:45:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-17 06:45:10,103 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-17 06:45:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 06:45:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 06:45:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 06:45:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 06:45:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-17 06:45:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-17 06:45:10,105 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_async_set_rx_mode [2021-11-17 06:45:10,105 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_async_set_rx_mode [2021-11-17 06:45:10,105 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-17 06:45:10,105 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-17 06:45:10,106 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-17 06:45:10,106 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-17 06:45:10,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 06:45:10,106 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 06:45:10,106 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 06:45:10,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 06:45:10,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 06:45:10,107 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 06:45:10,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 06:45:10,107 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-17 06:45:10,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-17 06:45:10,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 06:45:10,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 06:45:10,108 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-17 06:45:10,108 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-17 06:45:10,108 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-11-17 06:45:10,108 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-11-17 06:45:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-17 06:45:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-17 06:45:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 06:45:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 06:45:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_set_rx_mode [2021-11-17 06:45:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_set_rx_mode [2021-11-17 06:45:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-17 06:45:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-17 06:45:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 06:45:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 06:45:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 06:45:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_int_urb [2021-11-17 06:45:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_int_urb [2021-11-17 06:45:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_control [2021-11-17 06:45:10,115 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_control [2021-11-17 06:45:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 06:45:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 06:45:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_device_lock_of_kaweth_device [2021-11-17 06:45:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_device_lock_of_kaweth_device [2021-11-17 06:45:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-17 06:45:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_kill_urbs [2021-11-17 06:45:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_kill_urbs [2021-11-17 06:45:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_3_4 [2021-11-17 06:45:10,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_3_4 [2021-11-17 06:45:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_disconnect [2021-11-17 06:45:10,122 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_disconnect [2021-11-17 06:45:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 06:45:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 06:45:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 06:45:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-17 06:45:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-17 06:45:10,646 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 06:45:10,648 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 06:45:10,808 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 06:45:17,628 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 06:45:17,663 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 06:45:17,675 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 06:45:17,675 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-17 06:45:17,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:45:17 BoogieIcfgContainer [2021-11-17 06:45:17,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 06:45:17,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 06:45:17,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 06:45:17,682 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 06:45:17,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:45:06" (1/3) ... [2021-11-17 06:45:17,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e120c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:45:17, skipping insertion in model container [2021-11-17 06:45:17,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:45:09" (2/3) ... [2021-11-17 06:45:17,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e120c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:45:17, skipping insertion in model container [2021-11-17 06:45:17,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:45:17" (3/3) ... [2021-11-17 06:45:17,684 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2021-11-17 06:45:17,688 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 06:45:17,689 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 06:45:17,733 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 06:45:17,738 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 06:45:17,738 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 06:45:17,785 INFO L276 IsEmpty]: Start isEmpty. Operand has 1093 states, 752 states have (on average 1.2433510638297873) internal successors, (935), 757 states have internal predecessors, (935), 280 states have call successors, (280), 61 states have call predecessors, (280), 60 states have return successors, (274), 273 states have call predecessors, (274), 274 states have call successors, (274) [2021-11-17 06:45:17,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-17 06:45:17,808 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:45:17,809 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:45:17,810 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:45:17,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:45:17,818 INFO L85 PathProgramCache]: Analyzing trace with hash -810960859, now seen corresponding path program 1 times [2021-11-17 06:45:17,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:45:17,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696464110] [2021-11-17 06:45:17,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:45:17,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:45:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:45:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:45:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:45:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:45:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:45:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:45:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:45:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:45:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:45:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-11-17 06:45:18,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 06:45:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 06:45:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 06:45:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-17 06:45:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:18,736 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-17 06:45:18,738 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:45:18,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696464110] [2021-11-17 06:45:18,739 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696464110] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:45:18,739 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:45:18,739 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 06:45:18,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297671333] [2021-11-17 06:45:18,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:45:18,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 06:45:18,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:45:18,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 06:45:18,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 06:45:18,782 INFO L87 Difference]: Start difference. First operand has 1093 states, 752 states have (on average 1.2433510638297873) internal successors, (935), 757 states have internal predecessors, (935), 280 states have call successors, (280), 61 states have call predecessors, (280), 60 states have return successors, (274), 273 states have call predecessors, (274), 274 states have call successors, (274) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-11-17 06:45:21,398 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:45:28,850 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:45:31,762 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:45:32,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:45:32,108 INFO L93 Difference]: Finished difference Result 2671 states and 3704 transitions. [2021-11-17 06:45:32,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 06:45:32,111 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 155 [2021-11-17 06:45:32,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:45:32,132 INFO L225 Difference]: With dead ends: 2671 [2021-11-17 06:45:32,132 INFO L226 Difference]: Without dead ends: 1523 [2021-11-17 06:45:32,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:45:32,144 INFO L933 BasicCegarLoop]: 1494 mSDtfsCounter, 1209 mSDsluCounter, 2293 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 1018 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 3787 SdHoareTripleChecker+Invalid, 2300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1018 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2021-11-17 06:45:32,145 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1292 Valid, 3787 Invalid, 2300 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1018 Valid, 1279 Invalid, 3 Unknown, 0 Unchecked, 12.9s Time] [2021-11-17 06:45:32,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2021-11-17 06:45:32,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1500. [2021-11-17 06:45:32,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1500 states, 1075 states have (on average 1.2409302325581395) internal successors, (1334), 1083 states have internal predecessors, (1334), 333 states have call successors, (333), 91 states have call predecessors, (333), 91 states have return successors, (333), 330 states have call predecessors, (333), 333 states have call successors, (333) [2021-11-17 06:45:32,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 2000 transitions. [2021-11-17 06:45:32,295 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 2000 transitions. Word has length 155 [2021-11-17 06:45:32,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:45:32,298 INFO L470 AbstractCegarLoop]: Abstraction has 1500 states and 2000 transitions. [2021-11-17 06:45:32,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-11-17 06:45:32,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 2000 transitions. [2021-11-17 06:45:32,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-17 06:45:32,312 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:45:32,312 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 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] [2021-11-17 06:45:32,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 06:45:32,313 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:45:32,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:45:32,313 INFO L85 PathProgramCache]: Analyzing trace with hash -587412742, now seen corresponding path program 1 times [2021-11-17 06:45:32,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:45:32,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074970644] [2021-11-17 06:45:32,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:45:32,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:45:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:45:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:45:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:45:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:45:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:45:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:45:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:45:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:45:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:45:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-17 06:45:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 06:45:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:45:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:45:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 06:45:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:45:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:45:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 06:45:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-17 06:45:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:32,731 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-11-17 06:45:32,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:45:32,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074970644] [2021-11-17 06:45:32,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074970644] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:45:32,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:45:32,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:45:32,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020135272] [2021-11-17 06:45:32,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:45:32,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:45:32,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:45:32,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:45:32,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:45:32,735 INFO L87 Difference]: Start difference. First operand 1500 states and 2000 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-17 06:45:33,772 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:45:35,828 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:45:37,890 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:45:43,814 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:45:47,359 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:45:47,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:45:47,630 INFO L93 Difference]: Finished difference Result 3979 states and 5352 transitions. [2021-11-17 06:45:47,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 06:45:47,631 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 178 [2021-11-17 06:45:47,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:45:47,679 INFO L225 Difference]: With dead ends: 3979 [2021-11-17 06:45:47,680 INFO L226 Difference]: Without dead ends: 2500 [2021-11-17 06:45:47,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-11-17 06:45:47,693 INFO L933 BasicCegarLoop]: 1405 mSDtfsCounter, 1978 mSDsluCounter, 2309 mSDsCounter, 0 mSdLazyCounter, 2259 mSolverCounterSat, 1391 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2162 SdHoareTripleChecker+Valid, 3714 SdHoareTripleChecker+Invalid, 3652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1391 IncrementalHoareTripleChecker+Valid, 2259 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2021-11-17 06:45:47,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2162 Valid, 3714 Invalid, 3652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1391 Valid, 2259 Invalid, 2 Unknown, 0 Unchecked, 14.5s Time] [2021-11-17 06:45:47,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2500 states. [2021-11-17 06:45:47,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2500 to 2464. [2021-11-17 06:45:47,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 1760 states have (on average 1.2375) internal successors, (2178), 1773 states have internal predecessors, (2178), 557 states have call successors, (557), 146 states have call predecessors, (557), 146 states have return successors, (560), 549 states have call predecessors, (560), 557 states have call successors, (560) [2021-11-17 06:45:47,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 3295 transitions. [2021-11-17 06:45:47,837 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 3295 transitions. Word has length 178 [2021-11-17 06:45:47,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:45:47,839 INFO L470 AbstractCegarLoop]: Abstraction has 2464 states and 3295 transitions. [2021-11-17 06:45:47,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2021-11-17 06:45:47,839 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 3295 transitions. [2021-11-17 06:45:47,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-11-17 06:45:47,843 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:45:47,844 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 8, 8, 8, 8, 8, 8, 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] [2021-11-17 06:45:47,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 06:45:47,844 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:45:47,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:45:47,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1249953661, now seen corresponding path program 1 times [2021-11-17 06:45:47,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:45:47,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033532914] [2021-11-17 06:45:47,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:45:47,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:45:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:45:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:45:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:45:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:45:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:45:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:45:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:45:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:45:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:45:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:45:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:45:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-17 06:45:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 06:45:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-11-17 06:45:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:45:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-17 06:45:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-11-17 06:45:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:45:48,261 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2021-11-17 06:45:48,262 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:45:48,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033532914] [2021-11-17 06:45:48,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033532914] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:45:48,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:45:48,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 06:45:48,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250318029] [2021-11-17 06:45:48,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:45:48,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 06:45:48,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:45:48,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 06:45:48,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 06:45:48,264 INFO L87 Difference]: Start difference. First operand 2464 states and 3295 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-17 06:45:57,113 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:45:59,892 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:46:01,906 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:46:02,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:46:02,895 INFO L93 Difference]: Finished difference Result 7394 states and 9949 transitions. [2021-11-17 06:46:02,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 06:46:02,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 178 [2021-11-17 06:46:02,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:46:02,924 INFO L225 Difference]: With dead ends: 7394 [2021-11-17 06:46:02,924 INFO L226 Difference]: Without dead ends: 4951 [2021-11-17 06:46:02,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:46:02,937 INFO L933 BasicCegarLoop]: 2293 mSDtfsCounter, 1636 mSDsluCounter, 3042 mSDsCounter, 0 mSdLazyCounter, 1646 mSolverCounterSat, 889 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1836 SdHoareTripleChecker+Valid, 5335 SdHoareTripleChecker+Invalid, 2537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 889 IncrementalHoareTripleChecker+Valid, 1646 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2021-11-17 06:46:02,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1836 Valid, 5335 Invalid, 2537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [889 Valid, 1646 Invalid, 2 Unknown, 0 Unchecked, 14.3s Time] [2021-11-17 06:46:02,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4951 states. [2021-11-17 06:46:03,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4951 to 4873. [2021-11-17 06:46:03,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4873 states, 3482 states have (on average 1.2366456059735784) internal successors, (4306), 3508 states have internal predecessors, (4306), 1098 states have call successors, (1098), 292 states have call predecessors, (1098), 292 states have return successors, (1104), 1082 states have call predecessors, (1104), 1098 states have call successors, (1104) [2021-11-17 06:46:03,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4873 states to 4873 states and 6508 transitions. [2021-11-17 06:46:03,171 INFO L78 Accepts]: Start accepts. Automaton has 4873 states and 6508 transitions. Word has length 178 [2021-11-17 06:46:03,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:46:03,172 INFO L470 AbstractCegarLoop]: Abstraction has 4873 states and 6508 transitions. [2021-11-17 06:46:03,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2021-11-17 06:46:03,172 INFO L276 IsEmpty]: Start isEmpty. Operand 4873 states and 6508 transitions. [2021-11-17 06:46:03,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-17 06:46:03,177 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:46:03,177 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 8, 8, 8, 8, 8, 8, 5, 5, 5, 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, 1, 1, 1, 1] [2021-11-17 06:46:03,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 06:46:03,178 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:46:03,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:46:03,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1819305695, now seen corresponding path program 1 times [2021-11-17 06:46:03,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:46:03,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548922157] [2021-11-17 06:46:03,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:46:03,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:46:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:46:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:46:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:46:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:46:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:46:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:46:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:46:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:46:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:46:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:46:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:46:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:46:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:46:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:46:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:46:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:46:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:46:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:46:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-11-17 06:46:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 06:46:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:46:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-17 06:46:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 06:46:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:03,627 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2021-11-17 06:46:03,628 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:46:03,628 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548922157] [2021-11-17 06:46:03,628 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548922157] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:46:03,628 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:46:03,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 06:46:03,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53332314] [2021-11-17 06:46:03,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:46:03,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 06:46:03,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:46:03,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 06:46:03,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 06:46:03,631 INFO L87 Difference]: Start difference. First operand 4873 states and 6508 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-17 06:46:05,207 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:46:07,274 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:46:09,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:46:13,404 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:46:15,150 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:46:17,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:46:17,520 INFO L93 Difference]: Finished difference Result 11629 states and 15512 transitions. [2021-11-17 06:46:17,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 06:46:17,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 243 [2021-11-17 06:46:17,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:46:17,561 INFO L225 Difference]: With dead ends: 11629 [2021-11-17 06:46:17,561 INFO L226 Difference]: Without dead ends: 6777 [2021-11-17 06:46:17,582 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:46:17,584 INFO L933 BasicCegarLoop]: 1843 mSDtfsCounter, 1446 mSDsluCounter, 2353 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 768 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1609 SdHoareTripleChecker+Valid, 4196 SdHoareTripleChecker+Invalid, 2069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 768 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2021-11-17 06:46:17,585 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1609 Valid, 4196 Invalid, 2069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [768 Valid, 1299 Invalid, 2 Unknown, 0 Unchecked, 13.6s Time] [2021-11-17 06:46:17,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6777 states. [2021-11-17 06:46:17,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6777 to 6691. [2021-11-17 06:46:17,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6691 states, 4822 states have (on average 1.236416424720033) internal successors, (5962), 4858 states have internal predecessors, (5962), 1424 states have call successors, (1424), 444 states have call predecessors, (1424), 444 states have return successors, (1430), 1402 states have call predecessors, (1430), 1424 states have call successors, (1430) [2021-11-17 06:46:17,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6691 states to 6691 states and 8816 transitions. [2021-11-17 06:46:17,883 INFO L78 Accepts]: Start accepts. Automaton has 6691 states and 8816 transitions. Word has length 243 [2021-11-17 06:46:17,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:46:17,884 INFO L470 AbstractCegarLoop]: Abstraction has 6691 states and 8816 transitions. [2021-11-17 06:46:17,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-17 06:46:17,885 INFO L276 IsEmpty]: Start isEmpty. Operand 6691 states and 8816 transitions. [2021-11-17 06:46:17,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2021-11-17 06:46:17,893 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:46:17,894 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:46:17,894 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 06:46:17,894 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:46:17,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:46:17,895 INFO L85 PathProgramCache]: Analyzing trace with hash -844719428, now seen corresponding path program 1 times [2021-11-17 06:46:17,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:46:17,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664014884] [2021-11-17 06:46:17,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:46:17,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:46:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:46:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:46:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:46:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:46:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:46:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:46:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:46:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:46:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:46:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:46:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:46:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:46:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:46:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:46:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:46:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:46:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:46:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:46:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:46:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:46:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:46:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:46:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:46:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:46:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:46:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:46:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:46:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:46:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:46:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:46:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:46:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:46:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:46:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:46:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:46:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:46:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:46:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:46:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 06:46:18,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:18,649 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2021-11-17 06:46:18,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:46:18,649 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664014884] [2021-11-17 06:46:18,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664014884] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:46:18,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:46:18,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 06:46:18,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817066581] [2021-11-17 06:46:18,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:46:18,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 06:46:18,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:46:18,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 06:46:18,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 06:46:18,651 INFO L87 Difference]: Start difference. First operand 6691 states and 8816 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:46:20,700 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:46:23,944 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:46:24,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:46:24,700 INFO L93 Difference]: Finished difference Result 13393 states and 17891 transitions. [2021-11-17 06:46:24,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 06:46:24,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 363 [2021-11-17 06:46:24,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:46:24,738 INFO L225 Difference]: With dead ends: 13393 [2021-11-17 06:46:24,738 INFO L226 Difference]: Without dead ends: 6723 [2021-11-17 06:46:24,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:46:24,764 INFO L933 BasicCegarLoop]: 1356 mSDtfsCounter, 1285 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 366 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 2675 SdHoareTripleChecker+Invalid, 1395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 366 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-11-17 06:46:24,764 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1433 Valid, 2675 Invalid, 1395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [366 Valid, 1028 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2021-11-17 06:46:24,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6723 states. [2021-11-17 06:46:24,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6723 to 6691. [2021-11-17 06:46:25,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6691 states, 4822 states have (on average 1.2343425964330152) internal successors, (5952), 4858 states have internal predecessors, (5952), 1424 states have call successors, (1424), 444 states have call predecessors, (1424), 444 states have return successors, (1430), 1402 states have call predecessors, (1430), 1424 states have call successors, (1430) [2021-11-17 06:46:25,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6691 states to 6691 states and 8806 transitions. [2021-11-17 06:46:25,043 INFO L78 Accepts]: Start accepts. Automaton has 6691 states and 8806 transitions. Word has length 363 [2021-11-17 06:46:25,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:46:25,044 INFO L470 AbstractCegarLoop]: Abstraction has 6691 states and 8806 transitions. [2021-11-17 06:46:25,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:46:25,046 INFO L276 IsEmpty]: Start isEmpty. Operand 6691 states and 8806 transitions. [2021-11-17 06:46:25,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2021-11-17 06:46:25,053 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:46:25,053 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:46:25,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 06:46:25,054 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:46:25,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:46:25,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1844694386, now seen corresponding path program 1 times [2021-11-17 06:46:25,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:46:25,055 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987917699] [2021-11-17 06:46:25,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:46:25,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:46:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:46:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:46:25,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:46:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:46:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:46:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:46:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:46:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:46:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:46:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:46:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:46:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:46:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:46:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:46:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:46:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:46:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:46:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:46:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:46:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:46:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:46:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:46:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:46:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:46:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:46:25,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:46:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:46:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:46:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:46:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:46:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:46:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:46:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:46:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:46:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:46:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:46:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:46:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:46:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 06:46:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:25,905 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2021-11-17 06:46:25,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:46:25,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987917699] [2021-11-17 06:46:25,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987917699] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:46:25,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:46:25,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:46:25,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591232978] [2021-11-17 06:46:25,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:46:25,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:46:25,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:46:25,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:46:25,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:46:25,908 INFO L87 Difference]: Start difference. First operand 6691 states and 8806 transitions. Second operand has 6 states, 6 states have (on average 23.0) internal successors, (138), 5 states have internal predecessors, (138), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:46:27,959 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:46:30,017 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:46:32,770 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:46:33,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:46:33,611 INFO L93 Difference]: Finished difference Result 13393 states and 17871 transitions. [2021-11-17 06:46:33,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 06:46:33,612 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 5 states have internal predecessors, (138), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 364 [2021-11-17 06:46:33,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:46:33,648 INFO L225 Difference]: With dead ends: 13393 [2021-11-17 06:46:33,648 INFO L226 Difference]: Without dead ends: 6723 [2021-11-17 06:46:33,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-17 06:46:33,672 INFO L933 BasicCegarLoop]: 1354 mSDtfsCounter, 1914 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 1313 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1914 SdHoareTripleChecker+Valid, 2673 SdHoareTripleChecker+Invalid, 2342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-11-17 06:46:33,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1914 Valid, 2673 Invalid, 2342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1027 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2021-11-17 06:46:33,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6723 states. [2021-11-17 06:46:33,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6723 to 6691. [2021-11-17 06:46:33,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6691 states, 4822 states have (on average 1.2322687681459976) internal successors, (5942), 4858 states have internal predecessors, (5942), 1424 states have call successors, (1424), 444 states have call predecessors, (1424), 444 states have return successors, (1430), 1402 states have call predecessors, (1430), 1424 states have call successors, (1430) [2021-11-17 06:46:33,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6691 states to 6691 states and 8796 transitions. [2021-11-17 06:46:33,984 INFO L78 Accepts]: Start accepts. Automaton has 6691 states and 8796 transitions. Word has length 364 [2021-11-17 06:46:33,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:46:33,986 INFO L470 AbstractCegarLoop]: Abstraction has 6691 states and 8796 transitions. [2021-11-17 06:46:33,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 5 states have internal predecessors, (138), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:46:33,986 INFO L276 IsEmpty]: Start isEmpty. Operand 6691 states and 8796 transitions. [2021-11-17 06:46:33,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-11-17 06:46:33,994 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:46:33,994 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:46:33,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 06:46:33,994 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:46:33,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:46:33,995 INFO L85 PathProgramCache]: Analyzing trace with hash -568306696, now seen corresponding path program 1 times [2021-11-17 06:46:33,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:46:33,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815459826] [2021-11-17 06:46:33,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:46:33,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:46:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:46:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:46:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:46:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:46:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:46:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:46:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:46:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:46:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:46:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:46:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:46:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:46:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:46:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:46:34,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:46:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:46:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:46:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:46:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:46:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:46:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:46:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:46:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:46:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:46:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:46:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:46:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:46:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:46:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:46:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:46:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:46:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:46:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:46:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:46:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:46:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:46:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:46:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:46:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 06:46:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:34,671 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2021-11-17 06:46:34,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:46:34,671 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815459826] [2021-11-17 06:46:34,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815459826] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:46:34,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:46:34,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:46:34,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005810210] [2021-11-17 06:46:34,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:46:34,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:46:34,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:46:34,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:46:34,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:46:34,674 INFO L87 Difference]: Start difference. First operand 6691 states and 8796 transitions. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:46:38,040 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:46:38,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:46:38,740 INFO L93 Difference]: Finished difference Result 13393 states and 17851 transitions. [2021-11-17 06:46:38,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 06:46:38,741 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 365 [2021-11-17 06:46:38,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:46:38,771 INFO L225 Difference]: With dead ends: 13393 [2021-11-17 06:46:38,771 INFO L226 Difference]: Without dead ends: 6723 [2021-11-17 06:46:38,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-17 06:46:38,790 INFO L933 BasicCegarLoop]: 1353 mSDtfsCounter, 1910 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 1313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1910 SdHoareTripleChecker+Valid, 2672 SdHoareTripleChecker+Invalid, 2341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-17 06:46:38,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1910 Valid, 2672 Invalid, 2341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-17 06:46:38,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6723 states. [2021-11-17 06:46:39,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6723 to 6691. [2021-11-17 06:46:39,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6691 states, 4822 states have (on average 1.2301949398589798) internal successors, (5932), 4858 states have internal predecessors, (5932), 1424 states have call successors, (1424), 444 states have call predecessors, (1424), 444 states have return successors, (1430), 1402 states have call predecessors, (1430), 1424 states have call successors, (1430) [2021-11-17 06:46:39,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6691 states to 6691 states and 8786 transitions. [2021-11-17 06:46:39,099 INFO L78 Accepts]: Start accepts. Automaton has 6691 states and 8786 transitions. Word has length 365 [2021-11-17 06:46:39,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:46:39,099 INFO L470 AbstractCegarLoop]: Abstraction has 6691 states and 8786 transitions. [2021-11-17 06:46:39,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:46:39,100 INFO L276 IsEmpty]: Start isEmpty. Operand 6691 states and 8786 transitions. [2021-11-17 06:46:39,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-11-17 06:46:39,106 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:46:39,106 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:46:39,106 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 06:46:39,107 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:46:39,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:46:39,107 INFO L85 PathProgramCache]: Analyzing trace with hash 2052587694, now seen corresponding path program 1 times [2021-11-17 06:46:39,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:46:39,107 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223100216] [2021-11-17 06:46:39,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:46:39,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:46:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:46:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:46:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:46:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:46:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:46:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:46:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:46:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:46:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:46:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:46:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:46:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:46:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:46:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:46:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:46:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:46:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:46:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:46:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:46:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:46:39,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:46:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:46:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:46:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:46:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:46:39,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:46:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:46:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:46:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:46:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:46:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:46:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:46:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:46:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:46:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:46:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:46:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:46:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:46:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 06:46:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:39,762 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2021-11-17 06:46:39,762 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:46:39,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223100216] [2021-11-17 06:46:39,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223100216] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:46:39,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:46:39,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:46:39,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950811283] [2021-11-17 06:46:39,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:46:39,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:46:39,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:46:39,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:46:39,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:46:39,764 INFO L87 Difference]: Start difference. First operand 6691 states and 8786 transitions. Second operand has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:46:41,814 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:46:43,880 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:46:48,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:46:50,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:46:50,229 INFO L93 Difference]: Finished difference Result 25161 states and 33561 transitions. [2021-11-17 06:46:50,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 06:46:50,229 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 366 [2021-11-17 06:46:50,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:46:50,304 INFO L225 Difference]: With dead ends: 25161 [2021-11-17 06:46:50,305 INFO L226 Difference]: Without dead ends: 18491 [2021-11-17 06:46:50,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-11-17 06:46:50,329 INFO L933 BasicCegarLoop]: 2757 mSDtfsCounter, 4385 mSDsluCounter, 3085 mSDsCounter, 0 mSdLazyCounter, 3025 mSolverCounterSat, 2006 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4693 SdHoareTripleChecker+Valid, 5842 SdHoareTripleChecker+Invalid, 5033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2006 IncrementalHoareTripleChecker+Valid, 3025 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2021-11-17 06:46:50,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4693 Valid, 5842 Invalid, 5033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2006 Valid, 3025 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2021-11-17 06:46:50,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18491 states. [2021-11-17 06:46:51,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18491 to 18407. [2021-11-17 06:46:51,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2330082520630157) internal successors, (16436), 13462 states have internal predecessors, (16436), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2021-11-17 06:46:51,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24434 transitions. [2021-11-17 06:46:51,233 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24434 transitions. Word has length 366 [2021-11-17 06:46:51,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:46:51,235 INFO L470 AbstractCegarLoop]: Abstraction has 18407 states and 24434 transitions. [2021-11-17 06:46:51,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:46:51,235 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24434 transitions. [2021-11-17 06:46:51,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2021-11-17 06:46:51,239 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:46:51,239 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:46:51,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 06:46:51,240 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:46:51,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:46:51,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1810451764, now seen corresponding path program 1 times [2021-11-17 06:46:51,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:46:51,241 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098954533] [2021-11-17 06:46:51,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:46:51,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:46:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:46:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:46:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:46:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:46:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:46:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:46:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:46:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:46:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:46:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:46:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:46:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:46:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:46:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:46:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:46:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:46:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:46:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:46:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:46:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:46:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:46:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:46:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:46:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:46:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:46:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:46:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:46:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:46:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:46:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:46:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:46:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:46:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:46:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:46:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:46:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:46:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:46:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:46:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 06:46:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:51,899 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2021-11-17 06:46:51,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:46:51,900 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098954533] [2021-11-17 06:46:51,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098954533] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:46:51,900 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:46:51,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:46:51,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009194106] [2021-11-17 06:46:51,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:46:51,902 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:46:51,902 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:46:51,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:46:51,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:46:51,904 INFO L87 Difference]: Start difference. First operand 18407 states and 24434 transitions. Second operand has 6 states, 6 states have (on average 23.5) internal successors, (141), 5 states have internal predecessors, (141), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:46:57,017 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:46:57,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:46:57,953 INFO L93 Difference]: Finished difference Result 36857 states and 49679 transitions. [2021-11-17 06:46:57,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 06:46:57,953 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 5 states have internal predecessors, (141), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 367 [2021-11-17 06:46:57,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:46:58,034 INFO L225 Difference]: With dead ends: 36857 [2021-11-17 06:46:58,034 INFO L226 Difference]: Without dead ends: 18471 [2021-11-17 06:46:58,092 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-17 06:46:58,092 INFO L933 BasicCegarLoop]: 1352 mSDtfsCounter, 1905 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 1313 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1905 SdHoareTripleChecker+Valid, 2671 SdHoareTripleChecker+Invalid, 2340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-11-17 06:46:58,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1905 Valid, 2671 Invalid, 2340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1026 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2021-11-17 06:46:58,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2021-11-17 06:46:58,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2021-11-17 06:46:58,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2310577644411103) internal successors, (16410), 13462 states have internal predecessors, (16410), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2021-11-17 06:46:59,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24408 transitions. [2021-11-17 06:46:59,044 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24408 transitions. Word has length 367 [2021-11-17 06:46:59,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:46:59,046 INFO L470 AbstractCegarLoop]: Abstraction has 18407 states and 24408 transitions. [2021-11-17 06:46:59,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 5 states have internal predecessors, (141), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:46:59,046 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24408 transitions. [2021-11-17 06:46:59,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2021-11-17 06:46:59,051 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:46:59,052 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:46:59,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 06:46:59,052 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:46:59,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:46:59,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1286278166, now seen corresponding path program 1 times [2021-11-17 06:46:59,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:46:59,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488750913] [2021-11-17 06:46:59,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:46:59,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:46:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:46:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:46:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:46:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:46:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:46:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:46:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:46:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:46:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:46:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:46:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:46:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:46:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:46:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:46:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:46:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:46:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:46:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:46:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:46:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:46:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:46:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:46:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:46:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:46:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:46:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:46:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:46:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:46:59,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:46:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:46:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:46:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:46:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:46:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:46:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:46:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:46:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:46:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:46:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:46:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 06:46:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:46:59,664 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2021-11-17 06:46:59,664 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:46:59,664 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488750913] [2021-11-17 06:46:59,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488750913] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:46:59,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:46:59,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:46:59,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015539729] [2021-11-17 06:46:59,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:46:59,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:46:59,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:46:59,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:46:59,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:46:59,667 INFO L87 Difference]: Start difference. First operand 18407 states and 24408 transitions. Second operand has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:47:03,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:47:03,340 INFO L93 Difference]: Finished difference Result 36857 states and 49627 transitions. [2021-11-17 06:47:03,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 06:47:03,341 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 368 [2021-11-17 06:47:03,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:47:03,427 INFO L225 Difference]: With dead ends: 36857 [2021-11-17 06:47:03,427 INFO L226 Difference]: Without dead ends: 18471 [2021-11-17 06:47:03,491 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-17 06:47:03,491 INFO L933 BasicCegarLoop]: 1351 mSDtfsCounter, 1901 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 1313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1901 SdHoareTripleChecker+Valid, 2670 SdHoareTripleChecker+Invalid, 2339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-17 06:47:03,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1901 Valid, 2670 Invalid, 2339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1026 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-17 06:47:03,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2021-11-17 06:47:04,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2021-11-17 06:47:04,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2291072768192048) internal successors, (16384), 13462 states have internal predecessors, (16384), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2021-11-17 06:47:04,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24382 transitions. [2021-11-17 06:47:04,523 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24382 transitions. Word has length 368 [2021-11-17 06:47:04,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:47:04,524 INFO L470 AbstractCegarLoop]: Abstraction has 18407 states and 24382 transitions. [2021-11-17 06:47:04,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:47:04,524 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24382 transitions. [2021-11-17 06:47:04,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-11-17 06:47:04,529 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:47:04,530 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:47:04,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 06:47:04,530 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:47:04,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:47:04,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1613858416, now seen corresponding path program 1 times [2021-11-17 06:47:04,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:47:04,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349116914] [2021-11-17 06:47:04,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:47:04,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:47:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:47:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:47:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:47:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:04,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:47:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:47:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:04,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:47:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:47:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:47:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:47:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:47:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:47:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:47:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:47:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:47:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:47:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:47:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:47:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:47:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:47:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:47:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:47:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:04,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:05,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:47:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:05,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:47:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:05,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:47:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:05,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:47:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:05,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:47:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:05,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:05,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:47:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:05,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:47:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:05,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:47:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:05,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:47:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:05,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:47:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:05,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:47:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:05,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 06:47:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:05,136 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2021-11-17 06:47:05,136 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:47:05,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349116914] [2021-11-17 06:47:05,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349116914] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:47:05,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:47:05,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:47:05,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542830826] [2021-11-17 06:47:05,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:47:05,138 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:47:05,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:47:05,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:47:05,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:47:05,140 INFO L87 Difference]: Start difference. First operand 18407 states and 24382 transitions. Second operand has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:47:07,191 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:47:09,236 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:47:11,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:47:12,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:47:12,712 INFO L93 Difference]: Finished difference Result 36857 states and 49575 transitions. [2021-11-17 06:47:12,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 06:47:12,713 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 369 [2021-11-17 06:47:12,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:47:12,802 INFO L225 Difference]: With dead ends: 36857 [2021-11-17 06:47:12,802 INFO L226 Difference]: Without dead ends: 18471 [2021-11-17 06:47:12,878 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-17 06:47:12,879 INFO L933 BasicCegarLoop]: 1350 mSDtfsCounter, 1897 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 1313 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 2669 SdHoareTripleChecker+Invalid, 2338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-11-17 06:47:12,879 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1897 Valid, 2669 Invalid, 2338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1023 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2021-11-17 06:47:12,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2021-11-17 06:47:13,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2021-11-17 06:47:13,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2271567891972994) internal successors, (16358), 13462 states have internal predecessors, (16358), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2021-11-17 06:47:14,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24356 transitions. [2021-11-17 06:47:14,030 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24356 transitions. Word has length 369 [2021-11-17 06:47:14,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:47:14,031 INFO L470 AbstractCegarLoop]: Abstraction has 18407 states and 24356 transitions. [2021-11-17 06:47:14,031 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:47:14,032 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24356 transitions. [2021-11-17 06:47:14,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-11-17 06:47:14,036 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:47:14,036 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:47:14,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 06:47:14,037 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:47:14,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:47:14,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1438295846, now seen corresponding path program 1 times [2021-11-17 06:47:14,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:47:14,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875492104] [2021-11-17 06:47:14,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:47:14,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:47:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:47:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:47:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:47:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:47:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:47:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:47:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:47:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:47:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:47:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:47:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:47:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:47:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:47:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:47:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:47:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:47:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:47:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:47:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:47:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:47:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:47:14,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:47:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:47:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:47:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:47:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:47:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:47:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:47:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:47:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:47:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:47:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:47:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 06:47:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:14,629 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2021-11-17 06:47:14,629 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:47:14,629 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875492104] [2021-11-17 06:47:14,629 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875492104] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:47:14,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:47:14,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:47:14,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345624240] [2021-11-17 06:47:14,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:47:14,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:47:14,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:47:14,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:47:14,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:47:14,631 INFO L87 Difference]: Start difference. First operand 18407 states and 24356 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:47:16,679 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:47:19,504 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:47:20,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:47:20,714 INFO L93 Difference]: Finished difference Result 36857 states and 49523 transitions. [2021-11-17 06:47:20,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 06:47:20,715 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 370 [2021-11-17 06:47:20,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:47:20,799 INFO L225 Difference]: With dead ends: 36857 [2021-11-17 06:47:20,799 INFO L226 Difference]: Without dead ends: 18471 [2021-11-17 06:47:20,868 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-17 06:47:20,869 INFO L933 BasicCegarLoop]: 1349 mSDtfsCounter, 1893 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 1313 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1893 SdHoareTripleChecker+Valid, 2668 SdHoareTripleChecker+Invalid, 2337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-11-17 06:47:20,870 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1893 Valid, 2668 Invalid, 2337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1023 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2021-11-17 06:47:20,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2021-11-17 06:47:21,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2021-11-17 06:47:21,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2252063015753938) internal successors, (16332), 13462 states have internal predecessors, (16332), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2021-11-17 06:47:21,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24330 transitions. [2021-11-17 06:47:21,963 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24330 transitions. Word has length 370 [2021-11-17 06:47:21,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:47:21,964 INFO L470 AbstractCegarLoop]: Abstraction has 18407 states and 24330 transitions. [2021-11-17 06:47:21,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:47:21,965 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24330 transitions. [2021-11-17 06:47:21,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2021-11-17 06:47:21,969 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:47:21,970 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:47:21,970 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 06:47:21,970 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:47:21,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:47:21,970 INFO L85 PathProgramCache]: Analyzing trace with hash 405340076, now seen corresponding path program 1 times [2021-11-17 06:47:21,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:47:21,971 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550274511] [2021-11-17 06:47:21,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:47:21,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:47:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:47:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:47:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:47:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:47:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:47:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:47:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:47:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:47:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:47:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:47:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:47:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:47:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:47:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:47:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:47:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:47:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:47:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:47:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:47:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:47:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:47:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:47:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:47:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:47:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:47:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:47:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:47:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:47:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:47:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:47:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:47:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:47:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 06:47:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:22,524 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2021-11-17 06:47:22,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:47:22,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550274511] [2021-11-17 06:47:22,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550274511] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:47:22,525 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:47:22,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:47:22,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883666258] [2021-11-17 06:47:22,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:47:22,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:47:22,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:47:22,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:47:22,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:47:22,527 INFO L87 Difference]: Start difference. First operand 18407 states and 24330 transitions. Second operand has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:47:24,578 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:47:26,633 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:47:29,597 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:47:30,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:47:30,667 INFO L93 Difference]: Finished difference Result 36857 states and 49471 transitions. [2021-11-17 06:47:30,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 06:47:30,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 371 [2021-11-17 06:47:30,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:47:30,740 INFO L225 Difference]: With dead ends: 36857 [2021-11-17 06:47:30,740 INFO L226 Difference]: Without dead ends: 18471 [2021-11-17 06:47:30,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-17 06:47:30,815 INFO L933 BasicCegarLoop]: 1348 mSDtfsCounter, 1889 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 1313 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1889 SdHoareTripleChecker+Valid, 2667 SdHoareTripleChecker+Invalid, 2336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-11-17 06:47:30,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1889 Valid, 2667 Invalid, 2336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1021 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2021-11-17 06:47:30,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2021-11-17 06:47:31,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2021-11-17 06:47:31,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2232558139534884) internal successors, (16306), 13462 states have internal predecessors, (16306), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2021-11-17 06:47:31,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24304 transitions. [2021-11-17 06:47:31,726 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24304 transitions. Word has length 371 [2021-11-17 06:47:31,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:47:31,727 INFO L470 AbstractCegarLoop]: Abstraction has 18407 states and 24304 transitions. [2021-11-17 06:47:31,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:47:31,728 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24304 transitions. [2021-11-17 06:47:31,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-11-17 06:47:31,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:47:31,733 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:47:31,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 06:47:31,734 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:47:31,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:47:31,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1437001118, now seen corresponding path program 1 times [2021-11-17 06:47:31,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:47:31,735 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909109965] [2021-11-17 06:47:31,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:47:31,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:47:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:31,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:47:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:31,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:31,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:47:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:31,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:31,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:47:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:31,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:31,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:47:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:31,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:31,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:47:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:31,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:31,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:47:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:31,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:31,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:47:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:32,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:47:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:47:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:47:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:47:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:47:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:47:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:47:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:47:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:47:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:47:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:47:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:47:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:47:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:47:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:47:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:47:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:47:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:47:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:47:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:47:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:47:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:47:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:47:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:47:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:47:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 06:47:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:32,280 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2021-11-17 06:47:32,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:47:32,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909109965] [2021-11-17 06:47:32,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909109965] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:47:32,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:47:32,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:47:32,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877333643] [2021-11-17 06:47:32,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:47:32,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:47:32,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:47:32,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:47:32,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:47:32,282 INFO L87 Difference]: Start difference. First operand 18407 states and 24304 transitions. Second operand has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 5 states have internal predecessors, (146), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:47:34,322 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:47:37,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:47:37,556 INFO L93 Difference]: Finished difference Result 36857 states and 49419 transitions. [2021-11-17 06:47:37,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 06:47:37,557 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 5 states have internal predecessors, (146), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 372 [2021-11-17 06:47:37,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:47:37,616 INFO L225 Difference]: With dead ends: 36857 [2021-11-17 06:47:37,616 INFO L226 Difference]: Without dead ends: 18471 [2021-11-17 06:47:37,662 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-17 06:47:37,663 INFO L933 BasicCegarLoop]: 1347 mSDtfsCounter, 1885 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 1313 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1885 SdHoareTripleChecker+Valid, 2666 SdHoareTripleChecker+Invalid, 2335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-17 06:47:37,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1885 Valid, 2666 Invalid, 2335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1021 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2021-11-17 06:47:37,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2021-11-17 06:47:38,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2021-11-17 06:47:38,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.221305326331583) internal successors, (16280), 13462 states have internal predecessors, (16280), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2021-11-17 06:47:38,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24278 transitions. [2021-11-17 06:47:38,555 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24278 transitions. Word has length 372 [2021-11-17 06:47:38,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:47:38,556 INFO L470 AbstractCegarLoop]: Abstraction has 18407 states and 24278 transitions. [2021-11-17 06:47:38,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 5 states have internal predecessors, (146), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:47:38,556 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24278 transitions. [2021-11-17 06:47:38,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-11-17 06:47:38,561 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:47:38,562 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:47:38,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-17 06:47:38,562 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:47:38,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:47:38,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1694480616, now seen corresponding path program 1 times [2021-11-17 06:47:38,563 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:47:38,563 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269908298] [2021-11-17 06:47:38,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:47:38,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:47:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:47:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:47:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:47:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:47:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:47:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:47:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:47:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:47:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:47:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:47:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:47:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:47:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:47:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:47:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:47:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:47:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:38,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:47:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:47:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:47:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:47:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:47:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:47:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:47:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:47:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:47:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:47:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:47:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:47:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:47:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:47:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:47:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:47:39,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 06:47:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:39,168 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2021-11-17 06:47:39,168 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:47:39,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269908298] [2021-11-17 06:47:39,169 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269908298] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:47:39,169 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:47:39,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:47:39,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871499534] [2021-11-17 06:47:39,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:47:39,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:47:39,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:47:39,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:47:39,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:47:39,171 INFO L87 Difference]: Start difference. First operand 18407 states and 24278 transitions. Second operand has 6 states, 6 states have (on average 24.5) internal successors, (147), 5 states have internal predecessors, (147), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:47:41,219 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:47:44,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:47:44,456 INFO L93 Difference]: Finished difference Result 36857 states and 49367 transitions. [2021-11-17 06:47:44,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 06:47:44,457 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.5) internal successors, (147), 5 states have internal predecessors, (147), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 373 [2021-11-17 06:47:44,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:47:44,529 INFO L225 Difference]: With dead ends: 36857 [2021-11-17 06:47:44,529 INFO L226 Difference]: Without dead ends: 18471 [2021-11-17 06:47:44,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-17 06:47:44,584 INFO L933 BasicCegarLoop]: 1346 mSDtfsCounter, 1881 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 1313 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1881 SdHoareTripleChecker+Valid, 2665 SdHoareTripleChecker+Invalid, 2334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-11-17 06:47:44,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1881 Valid, 2665 Invalid, 2334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1020 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2021-11-17 06:47:44,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2021-11-17 06:47:45,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2021-11-17 06:47:45,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2193548387096773) internal successors, (16254), 13462 states have internal predecessors, (16254), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2021-11-17 06:47:45,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24252 transitions. [2021-11-17 06:47:45,420 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24252 transitions. Word has length 373 [2021-11-17 06:47:45,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:47:45,421 INFO L470 AbstractCegarLoop]: Abstraction has 18407 states and 24252 transitions. [2021-11-17 06:47:45,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.5) internal successors, (147), 5 states have internal predecessors, (147), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:47:45,421 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24252 transitions. [2021-11-17 06:47:45,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-11-17 06:47:45,426 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:47:45,426 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:47:45,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-17 06:47:45,427 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:47:45,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:47:45,427 INFO L85 PathProgramCache]: Analyzing trace with hash 100683166, now seen corresponding path program 1 times [2021-11-17 06:47:45,428 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:47:45,428 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958263209] [2021-11-17 06:47:45,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:47:45,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:47:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:47:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:47:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:47:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:47:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:47:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:47:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:47:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:47:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:47:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:47:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:47:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:47:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:47:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:47:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:47:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:47:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:47:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:47:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:47:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:47:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:47:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:47:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:47:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:47:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:47:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:47:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:47:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:47:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:47:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:47:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:47:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:47:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 06:47:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:45,963 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2021-11-17 06:47:45,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:47:45,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958263209] [2021-11-17 06:47:45,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958263209] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:47:45,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:47:45,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:47:45,966 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169532801] [2021-11-17 06:47:45,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:47:45,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:47:45,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:47:45,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:47:45,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:47:45,967 INFO L87 Difference]: Start difference. First operand 18407 states and 24252 transitions. Second operand has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:47:48,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:47:51,129 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:47:52,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:47:52,159 INFO L93 Difference]: Finished difference Result 36857 states and 49315 transitions. [2021-11-17 06:47:52,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 06:47:52,160 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 374 [2021-11-17 06:47:52,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:47:52,219 INFO L225 Difference]: With dead ends: 36857 [2021-11-17 06:47:52,219 INFO L226 Difference]: Without dead ends: 18471 [2021-11-17 06:47:52,269 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-17 06:47:52,270 INFO L933 BasicCegarLoop]: 1345 mSDtfsCounter, 1877 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1019 mSolverCounterSat, 1313 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 2664 SdHoareTripleChecker+Invalid, 2333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1019 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-11-17 06:47:52,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1877 Valid, 2664 Invalid, 2333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1019 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2021-11-17 06:47:52,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2021-11-17 06:47:53,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2021-11-17 06:47:53,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.217404351087772) internal successors, (16228), 13462 states have internal predecessors, (16228), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2021-11-17 06:47:53,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24226 transitions. [2021-11-17 06:47:53,087 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24226 transitions. Word has length 374 [2021-11-17 06:47:53,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:47:53,088 INFO L470 AbstractCegarLoop]: Abstraction has 18407 states and 24226 transitions. [2021-11-17 06:47:53,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 06:47:53,088 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24226 transitions. [2021-11-17 06:47:53,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2021-11-17 06:47:53,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:47:53,094 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:47:53,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-17 06:47:53,094 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:47:53,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:47:53,095 INFO L85 PathProgramCache]: Analyzing trace with hash 129312317, now seen corresponding path program 1 times [2021-11-17 06:47:53,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:47:53,095 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373748513] [2021-11-17 06:47:53,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:47:53,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:47:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:47:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:47:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:47:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:47:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:47:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:47:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:47:53,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:47:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:47:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:47:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:47:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:47:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:47:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:47:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:53,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:47:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:47:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:47:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:47:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:47:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:47:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:47:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:47:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:47:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:47:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:47:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:47:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:47:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:47:53,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:47:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:47:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:47:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:47:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-11-17 06:47:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:53,548 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2021-11-17 06:47:53,548 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:47:53,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373748513] [2021-11-17 06:47:53,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373748513] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:47:53,549 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:47:53,549 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 06:47:53,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349892238] [2021-11-17 06:47:53,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:47:53,550 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:47:53,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:47:53,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:47:53,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 06:47:53,552 INFO L87 Difference]: Start difference. First operand 18407 states and 24226 transitions. Second operand has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 1 states have call successors, (36) [2021-11-17 06:47:54,756 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:47:57,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:47:57,670 INFO L93 Difference]: Finished difference Result 18565 states and 24713 transitions. [2021-11-17 06:47:57,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 06:47:57,670 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 1 states have call successors, (36) Word has length 374 [2021-11-17 06:47:57,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:47:57,721 INFO L225 Difference]: With dead ends: 18565 [2021-11-17 06:47:57,721 INFO L226 Difference]: Without dead ends: 18563 [2021-11-17 06:47:57,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:47:57,730 INFO L933 BasicCegarLoop]: 1363 mSDtfsCounter, 232 mSDsluCounter, 4110 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 5473 SdHoareTripleChecker+Invalid, 1320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-11-17 06:47:57,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [269 Valid, 5473 Invalid, 1320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-11-17 06:47:57,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18563 states. [2021-11-17 06:47:58,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18563 to 18463. [2021-11-17 06:47:58,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18463 states, 13368 states have (on average 1.2155894673847996) internal successors, (16250), 13508 states have internal predecessors, (16250), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1218 states have return successors, (4208), 3772 states have call predecessors, (4208), 3876 states have call successors, (4208) [2021-11-17 06:47:58,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18463 states to 18463 states and 24334 transitions. [2021-11-17 06:47:58,423 INFO L78 Accepts]: Start accepts. Automaton has 18463 states and 24334 transitions. Word has length 374 [2021-11-17 06:47:58,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:47:58,424 INFO L470 AbstractCegarLoop]: Abstraction has 18463 states and 24334 transitions. [2021-11-17 06:47:58,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 1 states have call successors, (36) [2021-11-17 06:47:58,424 INFO L276 IsEmpty]: Start isEmpty. Operand 18463 states and 24334 transitions. [2021-11-17 06:47:58,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2021-11-17 06:47:58,434 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:47:58,434 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 15, 15, 15, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:47:58,435 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-17 06:47:58,435 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:47:58,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:47:58,435 INFO L85 PathProgramCache]: Analyzing trace with hash 870005820, now seen corresponding path program 1 times [2021-11-17 06:47:58,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:47:58,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103577628] [2021-11-17 06:47:58,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:47:58,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:47:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:47:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:47:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:47:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:47:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:47:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:47:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:47:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:47:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:47:58,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:47:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:47:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:47:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:47:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:47:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:47:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:47:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:47:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:47:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:47:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:47:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:47:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:47:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:47:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:47:58,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:47:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:47:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:47:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:47:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:58,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:47:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 06:47:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 06:47:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 06:47:58,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 06:47:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:47:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-17 06:47:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 06:47:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:47:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:47:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-11-17 06:47:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-11-17 06:47:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:47:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:47:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:47:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-11-17 06:47:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 06:47:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-17 06:47:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:47:58,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2021-11-17 06:47:58,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:47:58,932 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103577628] [2021-11-17 06:47:58,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103577628] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:47:58,932 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:47:58,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 06:47:58,932 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505787555] [2021-11-17 06:47:58,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:47:58,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 06:47:58,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:47:58,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 06:47:58,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 06:47:58,934 INFO L87 Difference]: Start difference. First operand 18463 states and 24334 transitions. Second operand has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 3 states have internal predecessors, (180), 4 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2021-11-17 06:48:00,981 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:48:02,457 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:48:05,214 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:48:06,662 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:48:12,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:48:15,356 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:48:18,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:48:18,462 INFO L93 Difference]: Finished difference Result 39665 states and 52386 transitions. [2021-11-17 06:48:18,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 06:48:18,463 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 3 states have internal predecessors, (180), 4 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) Word has length 447 [2021-11-17 06:48:18,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:48:18,535 INFO L225 Difference]: With dead ends: 39665 [2021-11-17 06:48:18,535 INFO L226 Difference]: Without dead ends: 21223 [2021-11-17 06:48:18,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2021-11-17 06:48:18,575 INFO L933 BasicCegarLoop]: 1595 mSDtfsCounter, 1426 mSDsluCounter, 3153 mSDsCounter, 0 mSdLazyCounter, 2603 mSolverCounterSat, 1210 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 4748 SdHoareTripleChecker+Invalid, 3815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1210 IncrementalHoareTripleChecker+Valid, 2603 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2021-11-17 06:48:18,575 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1518 Valid, 4748 Invalid, 3815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1210 Valid, 2603 Invalid, 2 Unknown, 0 Unchecked, 18.4s Time] [2021-11-17 06:48:18,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21223 states. [2021-11-17 06:48:19,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21223 to 20989. [2021-11-17 06:48:19,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20989 states, 15326 states have (on average 1.2179303144982383) internal successors, (18666), 15504 states have internal predecessors, (18666), 4282 states have call successors, (4282), 1368 states have call predecessors, (4282), 1380 states have return successors, (4648), 4154 states have call predecessors, (4648), 4282 states have call successors, (4648) [2021-11-17 06:48:19,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20989 states to 20989 states and 27596 transitions. [2021-11-17 06:48:19,380 INFO L78 Accepts]: Start accepts. Automaton has 20989 states and 27596 transitions. Word has length 447 [2021-11-17 06:48:19,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:48:19,380 INFO L470 AbstractCegarLoop]: Abstraction has 20989 states and 27596 transitions. [2021-11-17 06:48:19,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 3 states have internal predecessors, (180), 4 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2021-11-17 06:48:19,381 INFO L276 IsEmpty]: Start isEmpty. Operand 20989 states and 27596 transitions. [2021-11-17 06:48:19,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2021-11-17 06:48:19,391 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:48:19,391 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 15, 15, 15, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:48:19,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-17 06:48:19,392 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:48:19,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:48:19,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1672675131, now seen corresponding path program 1 times [2021-11-17 06:48:19,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:48:19,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605103407] [2021-11-17 06:48:19,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:48:19,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:48:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:48:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:48:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:48:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:48:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:48:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:48:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:48:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:48:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:48:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:48:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:48:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:48:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:48:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:48:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:48:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:48:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:48:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:48:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:48:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:48:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:48:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:48:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:48:19,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:48:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:48:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:48:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:48:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:48:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:48:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:48:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:48:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:48:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:48:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 06:48:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 06:48:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 06:48:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 06:48:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 06:48:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 06:48:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-17 06:48:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:48:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:48:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 06:48:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-11-17 06:48:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:48:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:48:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 06:48:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 06:48:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-17 06:48:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:19,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2021-11-17 06:48:19,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:48:19,998 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605103407] [2021-11-17 06:48:19,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605103407] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:48:19,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:48:19,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 06:48:19,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302479094] [2021-11-17 06:48:19,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:48:19,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 06:48:19,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:48:19,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 06:48:20,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 06:48:20,000 INFO L87 Difference]: Start difference. First operand 20989 states and 27596 transitions. Second operand has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 3 states have internal predecessors, (174), 4 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2021-11-17 06:48:22,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:48:24,191 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:48:27,242 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:48:31,644 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:48:34,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:48:34,864 INFO L93 Difference]: Finished difference Result 44761 states and 59042 transitions. [2021-11-17 06:48:34,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 06:48:34,865 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 3 states have internal predecessors, (174), 4 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) Word has length 440 [2021-11-17 06:48:34,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:48:34,986 INFO L225 Difference]: With dead ends: 44761 [2021-11-17 06:48:34,986 INFO L226 Difference]: Without dead ends: 23793 [2021-11-17 06:48:35,059 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2021-11-17 06:48:35,059 INFO L933 BasicCegarLoop]: 1770 mSDtfsCounter, 1506 mSDsluCounter, 2784 mSDsCounter, 0 mSdLazyCounter, 2150 mSolverCounterSat, 1423 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1597 SdHoareTripleChecker+Valid, 4554 SdHoareTripleChecker+Invalid, 3575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1423 IncrementalHoareTripleChecker+Valid, 2150 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2021-11-17 06:48:35,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1597 Valid, 4554 Invalid, 3575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1423 Valid, 2150 Invalid, 2 Unknown, 0 Unchecked, 13.9s Time] [2021-11-17 06:48:35,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23793 states. [2021-11-17 06:48:36,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23793 to 23555. [2021-11-17 06:48:36,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23555 states, 17344 states have (on average 1.218980627306273) internal successors, (21142), 17552 states have internal predecessors, (21142), 4688 states have call successors, (4688), 1512 states have call predecessors, (4688), 1522 states have return successors, (5056), 4536 states have call predecessors, (5056), 4688 states have call successors, (5056) [2021-11-17 06:48:36,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23555 states to 23555 states and 30886 transitions. [2021-11-17 06:48:36,164 INFO L78 Accepts]: Start accepts. Automaton has 23555 states and 30886 transitions. Word has length 440 [2021-11-17 06:48:36,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:48:36,165 INFO L470 AbstractCegarLoop]: Abstraction has 23555 states and 30886 transitions. [2021-11-17 06:48:36,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 3 states have internal predecessors, (174), 4 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2021-11-17 06:48:36,165 INFO L276 IsEmpty]: Start isEmpty. Operand 23555 states and 30886 transitions. [2021-11-17 06:48:36,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-11-17 06:48:36,177 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:48:36,178 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 16, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:48:36,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-17 06:48:36,178 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:48:36,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:48:36,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1816733086, now seen corresponding path program 1 times [2021-11-17 06:48:36,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:48:36,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109418831] [2021-11-17 06:48:36,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:48:36,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:48:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:48:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:48:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:48:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:48:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:36,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:48:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:48:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:48:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:48:36,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:48:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:48:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:48:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:48:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:48:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:48:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:48:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:48:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:48:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:48:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:48:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:48:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:48:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:48:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:48:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:48:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:48:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:48:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:48:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:48:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:48:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:48:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:48:36,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:48:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:48:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 06:48:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 06:48:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 06:48:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 06:48:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-11-17 06:48:36,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:48:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-17 06:48:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 06:48:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-11-17 06:48:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 06:48:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:48:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:48:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-17 06:48:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-17 06:48:36,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:48:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:48:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-17 06:48:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 06:48:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-11-17 06:48:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:36,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2021-11-17 06:48:36,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:48:36,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109418831] [2021-11-17 06:48:36,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109418831] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:48:36,787 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:48:36,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 06:48:36,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188655742] [2021-11-17 06:48:36,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:48:36,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 06:48:36,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:48:36,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 06:48:36,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-17 06:48:36,789 INFO L87 Difference]: Start difference. First operand 23555 states and 30886 transitions. Second operand has 8 states, 8 states have (on average 23.375) internal successors, (187), 4 states have internal predecessors, (187), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-17 06:48:38,843 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:48:40,908 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:48:42,981 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:48:49,271 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:48:51,287 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:48:57,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:48:57,338 INFO L93 Difference]: Finished difference Result 61322 states and 81948 transitions. [2021-11-17 06:48:57,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 06:48:57,338 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.375) internal successors, (187), 4 states have internal predecessors, (187), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 482 [2021-11-17 06:48:57,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:48:57,472 INFO L225 Difference]: With dead ends: 61322 [2021-11-17 06:48:57,472 INFO L226 Difference]: Without dead ends: 37788 [2021-11-17 06:48:57,542 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2021-11-17 06:48:57,543 INFO L933 BasicCegarLoop]: 2221 mSDtfsCounter, 2490 mSDsluCounter, 5412 mSDsCounter, 0 mSdLazyCounter, 3477 mSolverCounterSat, 1857 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2723 SdHoareTripleChecker+Valid, 7633 SdHoareTripleChecker+Invalid, 5338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1857 IncrementalHoareTripleChecker+Valid, 3477 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.9s IncrementalHoareTripleChecker+Time [2021-11-17 06:48:57,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2723 Valid, 7633 Invalid, 5338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1857 Valid, 3477 Invalid, 4 Unknown, 0 Unchecked, 18.9s Time] [2021-11-17 06:48:57,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37788 states. [2021-11-17 06:48:59,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37788 to 26828. [2021-11-17 06:48:59,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26828 states, 19836 states have (on average 1.2182395644283122) internal successors, (24165), 20074 states have internal predecessors, (24165), 5224 states have call successors, (5224), 1759 states have call predecessors, (5224), 1767 states have return successors, (5594), 5048 states have call predecessors, (5594), 5224 states have call successors, (5594) [2021-11-17 06:48:59,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26828 states to 26828 states and 34983 transitions. [2021-11-17 06:48:59,199 INFO L78 Accepts]: Start accepts. Automaton has 26828 states and 34983 transitions. Word has length 482 [2021-11-17 06:48:59,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:48:59,200 INFO L470 AbstractCegarLoop]: Abstraction has 26828 states and 34983 transitions. [2021-11-17 06:48:59,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.375) internal successors, (187), 4 states have internal predecessors, (187), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-17 06:48:59,200 INFO L276 IsEmpty]: Start isEmpty. Operand 26828 states and 34983 transitions. [2021-11-17 06:48:59,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2021-11-17 06:48:59,215 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:48:59,216 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 16, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:48:59,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-17 06:48:59,216 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:48:59,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:48:59,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1538693986, now seen corresponding path program 1 times [2021-11-17 06:48:59,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:48:59,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099723023] [2021-11-17 06:48:59,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:48:59,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:48:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:48:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:48:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:48:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:48:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:48:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:48:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:59,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:48:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:48:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:48:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:48:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:48:59,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:48:59,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:48:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:48:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:48:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:48:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:48:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:48:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:48:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:48:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:48:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:48:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:48:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:48:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:48:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:48:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:48:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:48:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:48:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:48:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:48:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:48:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:48:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 06:48:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 06:48:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 06:48:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 06:48:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-11-17 06:48:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:48:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-17 06:48:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-11-17 06:48:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-11-17 06:48:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-17 06:48:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:48:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:48:59,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 06:48:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-11-17 06:48:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:48:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:48:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:48:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-11-17 06:48:59,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-11-17 06:48:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-11-17 06:48:59,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:48:59,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2021-11-17 06:48:59,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:48:59,774 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099723023] [2021-11-17 06:48:59,774 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099723023] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:48:59,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:48:59,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 06:48:59,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894101041] [2021-11-17 06:48:59,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:48:59,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 06:48:59,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:48:59,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 06:48:59,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-17 06:48:59,776 INFO L87 Difference]: Start difference. First operand 26828 states and 34983 transitions. Second operand has 8 states, 8 states have (on average 23.5) internal successors, (188), 4 states have internal predecessors, (188), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-17 06:49:01,828 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:49:04,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:49:08,006 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:49:09,461 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:49:14,261 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:49:19,486 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:49:21,503 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:49:22,560 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:49:25,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:49:25,882 INFO L93 Difference]: Finished difference Result 67106 states and 89108 transitions. [2021-11-17 06:49:25,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 06:49:25,883 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.5) internal successors, (188), 4 states have internal predecessors, (188), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 483 [2021-11-17 06:49:25,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:49:26,025 INFO L225 Difference]: With dead ends: 67106 [2021-11-17 06:49:26,026 INFO L226 Difference]: Without dead ends: 40310 [2021-11-17 06:49:26,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2021-11-17 06:49:26,097 INFO L933 BasicCegarLoop]: 2160 mSDtfsCounter, 1821 mSDsluCounter, 6021 mSDsCounter, 0 mSdLazyCounter, 4037 mSolverCounterSat, 1236 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2010 SdHoareTripleChecker+Valid, 8181 SdHoareTripleChecker+Invalid, 5276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1236 IncrementalHoareTripleChecker+Valid, 4037 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2021-11-17 06:49:26,097 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2010 Valid, 8181 Invalid, 5276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1236 Valid, 4037 Invalid, 3 Unknown, 0 Unchecked, 24.0s Time] [2021-11-17 06:49:26,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40310 states. [2021-11-17 06:49:27,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40310 to 29346. [2021-11-17 06:49:27,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29346 states, 21806 states have (on average 1.2195267357607997) internal successors, (26593), 22074 states have internal predecessors, (26593), 5630 states have call successors, (5630), 1903 states have call predecessors, (5630), 1909 states have return successors, (6002), 5430 states have call predecessors, (6002), 5630 states have call successors, (6002) [2021-11-17 06:49:27,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29346 states to 29346 states and 38225 transitions. [2021-11-17 06:49:27,613 INFO L78 Accepts]: Start accepts. Automaton has 29346 states and 38225 transitions. Word has length 483 [2021-11-17 06:49:27,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:49:27,614 INFO L470 AbstractCegarLoop]: Abstraction has 29346 states and 38225 transitions. [2021-11-17 06:49:27,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.5) internal successors, (188), 4 states have internal predecessors, (188), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-17 06:49:27,614 INFO L276 IsEmpty]: Start isEmpty. Operand 29346 states and 38225 transitions. [2021-11-17 06:49:27,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2021-11-17 06:49:27,626 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:49:27,626 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 16, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:49:27,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-17 06:49:27,626 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:49:27,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:49:27,627 INFO L85 PathProgramCache]: Analyzing trace with hash -760686726, now seen corresponding path program 1 times [2021-11-17 06:49:27,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:49:27,627 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919196471] [2021-11-17 06:49:27,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:49:27,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:49:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:49:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:49:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:49:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:49:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:49:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:49:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:49:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:49:27,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:49:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:49:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:49:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:49:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:49:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:49:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:49:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:49:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:49:27,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:49:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:49:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:49:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:49:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:49:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:49:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:49:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:49:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:49:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:49:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:49:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:49:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:49:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:49:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:49:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:49:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 06:49:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:27,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 06:49:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 06:49:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 06:49:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-11-17 06:49:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:49:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 06:49:28,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-11-17 06:49:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-11-17 06:49:28,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-11-17 06:49:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:49:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:49:28,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-11-17 06:49:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-17 06:49:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:28,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:49:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:49:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-17 06:49:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-17 06:49:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-17 06:49:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2021-11-17 06:49:28,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:49:28,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919196471] [2021-11-17 06:49:28,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919196471] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:49:28,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:49:28,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 06:49:28,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80575897] [2021-11-17 06:49:28,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:49:28,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 06:49:28,126 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:49:28,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 06:49:28,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-17 06:49:28,127 INFO L87 Difference]: Start difference. First operand 29346 states and 38225 transitions. Second operand has 8 states, 8 states have (on average 22.875) internal successors, (183), 4 states have internal predecessors, (183), 4 states have call successors, (52), 6 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-17 06:49:30,179 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:49:32,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:49:34,304 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:49:39,235 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:49:46,051 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:49:48,074 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:49:51,450 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:49:56,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:49:56,613 INFO L93 Difference]: Finished difference Result 71978 states and 95436 transitions. [2021-11-17 06:49:56,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 06:49:56,615 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.875) internal successors, (183), 4 states have internal predecessors, (183), 4 states have call successors, (52), 6 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 477 [2021-11-17 06:49:56,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:49:56,749 INFO L225 Difference]: With dead ends: 71978 [2021-11-17 06:49:56,749 INFO L226 Difference]: Without dead ends: 42664 [2021-11-17 06:49:56,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2021-11-17 06:49:56,816 INFO L933 BasicCegarLoop]: 2173 mSDtfsCounter, 2031 mSDsluCounter, 6170 mSDsCounter, 0 mSdLazyCounter, 4183 mSolverCounterSat, 1240 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2250 SdHoareTripleChecker+Valid, 8343 SdHoareTripleChecker+Invalid, 5428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1240 IncrementalHoareTripleChecker+Valid, 4183 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2021-11-17 06:49:56,816 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2250 Valid, 8343 Invalid, 5428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1240 Valid, 4183 Invalid, 5 Unknown, 0 Unchecked, 26.2s Time] [2021-11-17 06:49:56,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42664 states. [2021-11-17 06:49:58,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42664 to 31912. [2021-11-17 06:49:58,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31912 states, 23824 states have (on average 1.2201561450638012) internal successors, (29069), 24122 states have internal predecessors, (29069), 6036 states have call successors, (6036), 2047 states have call predecessors, (6036), 2051 states have return successors, (6410), 5812 states have call predecessors, (6410), 6036 states have call successors, (6410) [2021-11-17 06:49:58,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31912 states to 31912 states and 41515 transitions. [2021-11-17 06:49:58,606 INFO L78 Accepts]: Start accepts. Automaton has 31912 states and 41515 transitions. Word has length 477 [2021-11-17 06:49:58,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:49:58,606 INFO L470 AbstractCegarLoop]: Abstraction has 31912 states and 41515 transitions. [2021-11-17 06:49:58,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.875) internal successors, (183), 4 states have internal predecessors, (183), 4 states have call successors, (52), 6 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-17 06:49:58,607 INFO L276 IsEmpty]: Start isEmpty. Operand 31912 states and 41515 transitions. [2021-11-17 06:49:58,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2021-11-17 06:49:58,616 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:49:58,617 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 16, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:49:58,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-17 06:49:58,617 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:49:58,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:49:58,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1094384406, now seen corresponding path program 1 times [2021-11-17 06:49:58,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:49:58,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683808551] [2021-11-17 06:49:58,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:49:58,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:49:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:49:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:49:58,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:49:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:58,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:49:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:49:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:49:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:49:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:58,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:49:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:49:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:49:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:49:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:49:58,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:49:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:49:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:58,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:49:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:49:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:49:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:49:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:49:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:49:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:49:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:49:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:49:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:49:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:49:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:49:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:49:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:49:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:49:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:58,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:49:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:49:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:49:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:49:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 06:49:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 06:49:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 06:49:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 06:49:59,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-11-17 06:49:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:49:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-17 06:49:59,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 06:49:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-11-17 06:49:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-11-17 06:49:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:49:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:49:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-11-17 06:49:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 06:49:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:49:59,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:49:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:49:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 06:49:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-11-17 06:49:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2021-11-17 06:49:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:49:59,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2021-11-17 06:49:59,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:49:59,142 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683808551] [2021-11-17 06:49:59,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683808551] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:49:59,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:49:59,143 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 06:49:59,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544374060] [2021-11-17 06:49:59,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:49:59,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 06:49:59,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:49:59,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 06:49:59,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-11-17 06:49:59,144 INFO L87 Difference]: Start difference. First operand 31912 states and 41515 transitions. Second operand has 8 states, 8 states have (on average 23.0) internal successors, (184), 4 states have internal predecessors, (184), 4 states have call successors, (52), 6 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-17 06:50:02,060 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:04,123 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:06,472 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:11,453 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:13,020 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:15,710 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:20,550 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:22,530 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:26,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:50:26,997 INFO L93 Difference]: Finished difference Result 76240 states and 100850 transitions. [2021-11-17 06:50:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-17 06:50:26,998 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.0) internal successors, (184), 4 states have internal predecessors, (184), 4 states have call successors, (52), 6 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 478 [2021-11-17 06:50:26,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:50:27,213 INFO L225 Difference]: With dead ends: 76240 [2021-11-17 06:50:27,214 INFO L226 Difference]: Without dead ends: 44360 [2021-11-17 06:50:27,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2021-11-17 06:50:27,271 INFO L933 BasicCegarLoop]: 2151 mSDtfsCounter, 1966 mSDsluCounter, 5935 mSDsCounter, 0 mSdLazyCounter, 4137 mSolverCounterSat, 1334 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2162 SdHoareTripleChecker+Valid, 8086 SdHoareTripleChecker+Invalid, 5475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1334 IncrementalHoareTripleChecker+Valid, 4137 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2021-11-17 06:50:27,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2162 Valid, 8086 Invalid, 5475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1334 Valid, 4137 Invalid, 4 Unknown, 0 Unchecked, 25.5s Time] [2021-11-17 06:50:27,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44360 states. [2021-11-17 06:50:28,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44360 to 32914. [2021-11-17 06:50:28,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32914 states, 24674 states have (on average 1.2185701548188377) internal successors, (30067), 24980 states have internal predecessors, (30067), 6136 states have call successors, (6136), 2101 states have call predecessors, (6136), 2103 states have return successors, (6472), 5908 states have call predecessors, (6472), 6136 states have call successors, (6472) [2021-11-17 06:50:28,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32914 states to 32914 states and 42675 transitions. [2021-11-17 06:50:28,978 INFO L78 Accepts]: Start accepts. Automaton has 32914 states and 42675 transitions. Word has length 478 [2021-11-17 06:50:28,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:50:28,979 INFO L470 AbstractCegarLoop]: Abstraction has 32914 states and 42675 transitions. [2021-11-17 06:50:28,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.0) internal successors, (184), 4 states have internal predecessors, (184), 4 states have call successors, (52), 6 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2021-11-17 06:50:28,979 INFO L276 IsEmpty]: Start isEmpty. Operand 32914 states and 42675 transitions. [2021-11-17 06:50:28,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2021-11-17 06:50:28,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:50:28,993 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 18, 18, 18, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:50:28,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-17 06:50:28,993 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:50:28,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:50:28,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1517569294, now seen corresponding path program 1 times [2021-11-17 06:50:28,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:50:28,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072072075] [2021-11-17 06:50:28,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:50:28,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:50:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:50:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:50:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:50:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:50:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:50:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:50:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:50:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:50:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:50:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:50:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:50:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:50:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:50:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:50:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:50:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:50:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:50:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:50:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:50:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:50:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:50:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:50:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:50:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:50:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:50:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:50:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:50:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:50:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:50:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:50:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:50:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:50:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:50:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 06:50:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 06:50:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 06:50:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 06:50:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-11-17 06:50:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:50:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-17 06:50:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 06:50:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:50:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:50:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 06:50:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 06:50:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 06:50:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:50:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:50:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-17 06:50:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-11-17 06:50:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:50:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:50:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-17 06:50:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:50:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:50:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:50:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 06:50:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-11-17 06:50:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-11-17 06:50:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2021-11-17 06:50:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2021-11-17 06:50:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2021-11-17 06:50:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2021-11-17 06:50:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2021-11-17 06:50:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:29,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1621 trivial. 0 not checked. [2021-11-17 06:50:29,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:50:29,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072072075] [2021-11-17 06:50:29,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072072075] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:50:29,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:50:29,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 06:50:29,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292784649] [2021-11-17 06:50:29,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:50:29,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 06:50:29,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:50:29,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 06:50:29,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-17 06:50:29,728 INFO L87 Difference]: Start difference. First operand 32914 states and 42675 transitions. Second operand has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 3 states have internal predecessors, (214), 4 states have call successors, (63), 6 states have call predecessors, (63), 1 states have return successors, (59), 3 states have call predecessors, (59), 4 states have call successors, (59) [2021-11-17 06:50:32,225 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:34,280 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:36,347 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:39,105 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:41,881 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:44,777 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:49,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:50:49,101 INFO L93 Difference]: Finished difference Result 55142 states and 71514 transitions. [2021-11-17 06:50:49,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 06:50:49,101 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 3 states have internal predecessors, (214), 4 states have call successors, (63), 6 states have call predecessors, (63), 1 states have return successors, (59), 3 states have call predecessors, (59), 4 states have call successors, (59) Word has length 580 [2021-11-17 06:50:49,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:50:49,190 INFO L225 Difference]: With dead ends: 55142 [2021-11-17 06:50:49,190 INFO L226 Difference]: Without dead ends: 30752 [2021-11-17 06:50:49,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2021-11-17 06:50:49,249 INFO L933 BasicCegarLoop]: 1744 mSDtfsCounter, 1335 mSDsluCounter, 3346 mSDsCounter, 0 mSdLazyCounter, 2644 mSolverCounterSat, 1141 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1427 SdHoareTripleChecker+Valid, 5090 SdHoareTripleChecker+Invalid, 3790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1141 IncrementalHoareTripleChecker+Valid, 2644 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.8s IncrementalHoareTripleChecker+Time [2021-11-17 06:50:49,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1427 Valid, 5090 Invalid, 3790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1141 Valid, 2644 Invalid, 5 Unknown, 0 Unchecked, 17.8s Time] [2021-11-17 06:50:49,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30752 states. [2021-11-17 06:50:50,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30752 to 30588. [2021-11-17 06:50:50,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30588 states, 22990 states have (on average 1.2146585471944324) internal successors, (27925), 23274 states have internal predecessors, (27925), 5654 states have call successors, (5654), 1937 states have call predecessors, (5654), 1943 states have return successors, (5900), 5450 states have call predecessors, (5900), 5654 states have call successors, (5900) [2021-11-17 06:50:50,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30588 states to 30588 states and 39479 transitions. [2021-11-17 06:50:50,826 INFO L78 Accepts]: Start accepts. Automaton has 30588 states and 39479 transitions. Word has length 580 [2021-11-17 06:50:50,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:50:50,827 INFO L470 AbstractCegarLoop]: Abstraction has 30588 states and 39479 transitions. [2021-11-17 06:50:50,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 3 states have internal predecessors, (214), 4 states have call successors, (63), 6 states have call predecessors, (63), 1 states have return successors, (59), 3 states have call predecessors, (59), 4 states have call successors, (59) [2021-11-17 06:50:50,827 INFO L276 IsEmpty]: Start isEmpty. Operand 30588 states and 39479 transitions. [2021-11-17 06:50:50,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2021-11-17 06:50:50,839 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:50:50,839 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 20, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:50:50,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-17 06:50:50,839 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:50:50,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:50:50,840 INFO L85 PathProgramCache]: Analyzing trace with hash -23625706, now seen corresponding path program 1 times [2021-11-17 06:50:50,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:50:50,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640660024] [2021-11-17 06:50:50,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:50:50,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:50:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:50:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:50:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:50:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:50:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:50:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:50:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:50:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:50:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:50:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:50:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:50:51,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:50:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:50:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:50:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:50:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:50:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:50:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:50:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:50:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:50:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:50:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:50:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:50:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:50:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:50:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:50:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:50:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:50:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:50:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:50:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:50:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:50:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:50:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 06:50:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-11-17 06:50:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 06:50:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-11-17 06:50:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-11-17 06:50:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:50:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-11-17 06:50:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 06:50:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:50:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:50:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 06:50:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 06:50:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 06:50:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:50:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:50:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-17 06:50:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-11-17 06:50:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:50:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:50:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-17 06:50:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:50:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:50:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:50:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-11-17 06:50:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-11-17 06:50:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-11-17 06:50:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2021-11-17 06:50:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-11-17 06:50:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2021-11-17 06:50:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:50:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:50:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2021-11-17 06:50:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2021-11-17 06:50:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:50:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:50:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:50:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2021-11-17 06:50:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2021-11-17 06:50:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2021-11-17 06:50:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:50:51,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1862 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2021-11-17 06:50:51,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:50:51,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640660024] [2021-11-17 06:50:51,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640660024] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:50:51,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:50:51,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 06:50:51,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736931249] [2021-11-17 06:50:51,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:50:51,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 06:50:51,601 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:50:51,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 06:50:51,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-17 06:50:51,602 INFO L87 Difference]: Start difference. First operand 30588 states and 39479 transitions. Second operand has 11 states, 11 states have (on average 18.272727272727273) internal successors, (201), 7 states have internal predecessors, (201), 4 states have call successors, (64), 7 states have call predecessors, (64), 3 states have return successors, (62), 5 states have call predecessors, (62), 4 states have call successors, (62) [2021-11-17 06:50:53,899 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:50:55,966 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:51:02,046 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:51:07,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:51:07,197 INFO L93 Difference]: Finished difference Result 44926 states and 57791 transitions. [2021-11-17 06:51:07,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-17 06:51:07,198 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 18.272727272727273) internal successors, (201), 7 states have internal predecessors, (201), 4 states have call successors, (64), 7 states have call predecessors, (64), 3 states have return successors, (62), 5 states have call predecessors, (62), 4 states have call successors, (62) Word has length 615 [2021-11-17 06:51:07,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:51:07,269 INFO L225 Difference]: With dead ends: 44926 [2021-11-17 06:51:07,269 INFO L226 Difference]: Without dead ends: 22862 [2021-11-17 06:51:07,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2021-11-17 06:51:07,459 INFO L933 BasicCegarLoop]: 1237 mSDtfsCounter, 4998 mSDsluCounter, 1796 mSDsCounter, 0 mSdLazyCounter, 2918 mSolverCounterSat, 3685 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4998 SdHoareTripleChecker+Valid, 3033 SdHoareTripleChecker+Invalid, 6606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3685 IncrementalHoareTripleChecker+Valid, 2918 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2021-11-17 06:51:07,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4998 Valid, 3033 Invalid, 6606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3685 Valid, 2918 Invalid, 3 Unknown, 0 Unchecked, 14.0s Time] [2021-11-17 06:51:07,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22862 states. [2021-11-17 06:51:08,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22862 to 22728. [2021-11-17 06:51:08,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22728 states, 16990 states have (on average 1.209005297233667) internal successors, (20541), 17176 states have internal predecessors, (20541), 4164 states have call successors, (4164), 1573 states have call predecessors, (4164), 1573 states have return successors, (4194), 4034 states have call predecessors, (4194), 4164 states have call successors, (4194) [2021-11-17 06:51:08,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22728 states to 22728 states and 28899 transitions. [2021-11-17 06:51:08,516 INFO L78 Accepts]: Start accepts. Automaton has 22728 states and 28899 transitions. Word has length 615 [2021-11-17 06:51:08,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:51:08,516 INFO L470 AbstractCegarLoop]: Abstraction has 22728 states and 28899 transitions. [2021-11-17 06:51:08,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 18.272727272727273) internal successors, (201), 7 states have internal predecessors, (201), 4 states have call successors, (64), 7 states have call predecessors, (64), 3 states have return successors, (62), 5 states have call predecessors, (62), 4 states have call successors, (62) [2021-11-17 06:51:08,517 INFO L276 IsEmpty]: Start isEmpty. Operand 22728 states and 28899 transitions. [2021-11-17 06:51:08,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 853 [2021-11-17 06:51:08,541 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:51:08,541 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 23, 23, 19, 19, 19, 14, 14, 14, 14, 14, 14, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:51:08,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-17 06:51:08,542 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:51:08,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:51:08,542 INFO L85 PathProgramCache]: Analyzing trace with hash -280297810, now seen corresponding path program 1 times [2021-11-17 06:51:08,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:51:08,542 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300122001] [2021-11-17 06:51:08,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:51:08,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:51:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:51:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:51:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:51:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:51:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:51:08,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:51:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:51:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:51:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:51:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:51:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:51:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:51:08,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:51:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:51:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:51:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:51:08,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:08,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:51:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:51:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:51:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:51:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:51:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:51:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:51:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:51:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:51:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:51:09,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:51:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:51:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:51:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:51:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:51:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:51:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:51:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:51:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:51:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:51:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:51:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:51:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 06:51:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 06:51:09,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:51:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:51:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:51:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 06:51:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 06:51:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 06:51:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:51:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:51:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 06:51:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-11-17 06:51:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-17 06:51:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:51:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:51:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 06:51:09,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-11-17 06:51:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-17 06:51:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:51:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:51:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-11-17 06:51:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 06:51:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-11-17 06:51:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:09,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 06:51:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 06:51:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 06:51:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-11-17 06:51:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2021-11-17 06:51:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-11-17 06:51:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:09,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-11-17 06:51:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-11-17 06:51:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2021-11-17 06:51:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2021-11-17 06:51:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2021-11-17 06:51:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2021-11-17 06:51:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:51:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:51:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 06:51:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2021-11-17 06:51:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2021-11-17 06:51:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2021-11-17 06:51:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:51:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-11-17 06:51:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 715 [2021-11-17 06:51:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2021-11-17 06:51:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 732 [2021-11-17 06:51:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2021-11-17 06:51:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 753 [2021-11-17 06:51:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 757 [2021-11-17 06:51:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 764 [2021-11-17 06:51:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 783 [2021-11-17 06:51:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 788 [2021-11-17 06:51:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:51:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:51:09,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 805 [2021-11-17 06:51:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 810 [2021-11-17 06:51:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:51:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 06:51:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 842 [2021-11-17 06:51:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:09,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3090 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 3069 trivial. 0 not checked. [2021-11-17 06:51:09,709 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:51:09,709 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300122001] [2021-11-17 06:51:09,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300122001] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:51:09,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:51:09,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 06:51:09,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162205047] [2021-11-17 06:51:09,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:51:09,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 06:51:09,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:51:09,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 06:51:09,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-17 06:51:09,712 INFO L87 Difference]: Start difference. First operand 22728 states and 28899 transitions. Second operand has 9 states, 8 states have (on average 39.125) internal successors, (313), 3 states have internal predecessors, (313), 4 states have call successors, (94), 8 states have call predecessors, (94), 1 states have return successors, (93), 3 states have call predecessors, (93), 4 states have call successors, (93) [2021-11-17 06:51:12,419 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:51:20,589 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:51:27,743 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:51:30,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:51:33,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:51:33,177 INFO L93 Difference]: Finished difference Result 53273 states and 68219 transitions. [2021-11-17 06:51:33,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 06:51:33,178 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 39.125) internal successors, (313), 3 states have internal predecessors, (313), 4 states have call successors, (94), 8 states have call predecessors, (94), 1 states have return successors, (93), 3 states have call predecessors, (93), 4 states have call successors, (93) Word has length 852 [2021-11-17 06:51:33,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:51:33,274 INFO L225 Difference]: With dead ends: 53273 [2021-11-17 06:51:33,274 INFO L226 Difference]: Without dead ends: 30577 [2021-11-17 06:51:33,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2021-11-17 06:51:33,315 INFO L933 BasicCegarLoop]: 2179 mSDtfsCounter, 1905 mSDsluCounter, 4096 mSDsCounter, 0 mSdLazyCounter, 3342 mSolverCounterSat, 1610 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 6275 SdHoareTripleChecker+Invalid, 4953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1610 IncrementalHoareTripleChecker+Valid, 3342 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2021-11-17 06:51:33,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2078 Valid, 6275 Invalid, 4953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1610 Valid, 3342 Invalid, 1 Unknown, 0 Unchecked, 22.0s Time] [2021-11-17 06:51:33,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30577 states. [2021-11-17 06:51:34,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30577 to 30399. [2021-11-17 06:51:34,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30399 states, 22909 states have (on average 1.211969095115457) internal successors, (27765), 23156 states have internal predecessors, (27765), 5504 states have call successors, (5504), 1987 states have call predecessors, (5504), 1985 states have return successors, (5546), 5311 states have call predecessors, (5546), 5504 states have call successors, (5546) [2021-11-17 06:51:34,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30399 states to 30399 states and 38815 transitions. [2021-11-17 06:51:34,878 INFO L78 Accepts]: Start accepts. Automaton has 30399 states and 38815 transitions. Word has length 852 [2021-11-17 06:51:34,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:51:34,879 INFO L470 AbstractCegarLoop]: Abstraction has 30399 states and 38815 transitions. [2021-11-17 06:51:34,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 39.125) internal successors, (313), 3 states have internal predecessors, (313), 4 states have call successors, (94), 8 states have call predecessors, (94), 1 states have return successors, (93), 3 states have call predecessors, (93), 4 states have call successors, (93) [2021-11-17 06:51:34,879 INFO L276 IsEmpty]: Start isEmpty. Operand 30399 states and 38815 transitions. [2021-11-17 06:51:34,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 880 [2021-11-17 06:51:34,920 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:51:34,921 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 22, 22, 19, 19, 19, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:51:34,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-17 06:51:34,922 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:51:34,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:51:34,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1300060, now seen corresponding path program 1 times [2021-11-17 06:51:34,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:51:34,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592158738] [2021-11-17 06:51:34,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:51:34,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:51:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:51:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:51:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:51:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:51:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:51:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:51:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:51:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:51:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:51:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:51:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:51:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:51:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:51:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:51:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:51:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:51:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:51:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:51:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:51:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:51:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:51:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:51:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:51:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:51:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:51:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:51:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:51:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:51:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:51:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:51:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:51:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:51:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:51:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:51:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:51:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:51:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:51:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:51:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 06:51:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 06:51:35,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:51:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:51:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:51:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 06:51:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 06:51:35,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 06:51:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:51:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:51:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 06:51:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-11-17 06:51:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-17 06:51:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:51:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:51:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 06:51:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-11-17 06:51:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-17 06:51:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:51:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:51:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-11-17 06:51:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 06:51:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-11-17 06:51:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 06:51:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 06:51:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 06:51:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-11-17 06:51:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2021-11-17 06:51:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-11-17 06:51:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-11-17 06:51:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-11-17 06:51:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2021-11-17 06:51:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2021-11-17 06:51:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2021-11-17 06:51:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2021-11-17 06:51:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:51:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:51:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 06:51:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2021-11-17 06:51:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2021-11-17 06:51:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2021-11-17 06:51:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:51:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-11-17 06:51:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 715 [2021-11-17 06:51:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2021-11-17 06:51:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 732 [2021-11-17 06:51:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2021-11-17 06:51:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 753 [2021-11-17 06:51:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 757 [2021-11-17 06:51:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:35,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 764 [2021-11-17 06:51:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:36,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-11-17 06:51:36,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:36,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:51:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:36,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 789 [2021-11-17 06:51:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:36,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2021-11-17 06:51:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:36,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 813 [2021-11-17 06:51:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:36,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:51:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:36,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:51:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:36,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 833 [2021-11-17 06:51:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:36,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2021-11-17 06:51:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:36,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 850 [2021-11-17 06:51:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:36,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 856 [2021-11-17 06:51:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:36,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2021-11-17 06:51:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:51:36,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3294 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 3236 trivial. 0 not checked. [2021-11-17 06:51:36,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:51:36,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592158738] [2021-11-17 06:51:36,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592158738] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:51:36,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:51:36,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 06:51:36,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643581148] [2021-11-17 06:51:36,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:51:36,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 06:51:36,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:51:36,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 06:51:36,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-17 06:51:36,121 INFO L87 Difference]: Start difference. First operand 30399 states and 38815 transitions. Second operand has 11 states, 10 states have (on average 31.6) internal successors, (316), 4 states have internal predecessors, (316), 4 states have call successors, (97), 8 states have call predecessors, (97), 2 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) [2021-11-17 06:51:38,172 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:51:40,395 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:51:42,750 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:51:48,796 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:51:57,703 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:51:59,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:52:01,931 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:52:05,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:52:05,748 INFO L93 Difference]: Finished difference Result 67979 states and 87105 transitions. [2021-11-17 06:52:05,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 06:52:05,748 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 31.6) internal successors, (316), 4 states have internal predecessors, (316), 4 states have call successors, (97), 8 states have call predecessors, (97), 2 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) Word has length 879 [2021-11-17 06:52:05,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:52:05,861 INFO L225 Difference]: With dead ends: 67979 [2021-11-17 06:52:05,861 INFO L226 Difference]: Without dead ends: 37612 [2021-11-17 06:52:05,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2021-11-17 06:52:05,920 INFO L933 BasicCegarLoop]: 2178 mSDtfsCounter, 1407 mSDsluCounter, 7855 mSDsCounter, 0 mSdLazyCounter, 6085 mSolverCounterSat, 1015 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1583 SdHoareTripleChecker+Valid, 10033 SdHoareTripleChecker+Invalid, 7105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1015 IncrementalHoareTripleChecker+Valid, 6085 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2021-11-17 06:52:05,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1583 Valid, 10033 Invalid, 7105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1015 Valid, 6085 Invalid, 5 Unknown, 0 Unchecked, 27.6s Time] [2021-11-17 06:52:05,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37612 states. [2021-11-17 06:52:07,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37612 to 37322. [2021-11-17 06:52:07,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37322 states, 28114 states have (on average 1.2094685921604895) internal successors, (34003), 28422 states have internal predecessors, (34003), 6810 states have call successors, (6810), 2367 states have call predecessors, (6810), 2397 states have return successors, (6898), 6588 states have call predecessors, (6898), 6810 states have call successors, (6898) [2021-11-17 06:52:07,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37322 states to 37322 states and 47711 transitions. [2021-11-17 06:52:07,842 INFO L78 Accepts]: Start accepts. Automaton has 37322 states and 47711 transitions. Word has length 879 [2021-11-17 06:52:07,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:52:07,842 INFO L470 AbstractCegarLoop]: Abstraction has 37322 states and 47711 transitions. [2021-11-17 06:52:07,843 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 31.6) internal successors, (316), 4 states have internal predecessors, (316), 4 states have call successors, (97), 8 states have call predecessors, (97), 2 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) [2021-11-17 06:52:07,843 INFO L276 IsEmpty]: Start isEmpty. Operand 37322 states and 47711 transitions. [2021-11-17 06:52:08,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 881 [2021-11-17 06:52:08,051 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:52:08,051 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 22, 22, 19, 19, 19, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:52:08,052 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-17 06:52:08,052 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:52:08,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:52:08,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1955314739, now seen corresponding path program 1 times [2021-11-17 06:52:08,053 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:52:08,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316247581] [2021-11-17 06:52:08,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:52:08,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:52:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:52:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:52:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:52:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:52:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:52:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:52:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:52:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:52:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:52:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:52:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:52:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:52:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:52:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:52:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:52:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:52:08,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:52:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:52:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:52:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:52:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:52:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:52:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:52:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:52:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:52:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:52:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:52:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:52:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:52:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:52:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:52:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:52:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:52:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:52:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:52:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:52:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:52:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:52:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 06:52:08,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 06:52:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:52:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:52:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:52:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 06:52:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 06:52:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 06:52:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:52:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:52:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 06:52:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-11-17 06:52:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-17 06:52:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:52:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:52:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 06:52:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-11-17 06:52:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-17 06:52:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:52:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:52:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-11-17 06:52:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 06:52:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-11-17 06:52:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 06:52:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 06:52:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 06:52:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-11-17 06:52:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2021-11-17 06:52:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-11-17 06:52:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-11-17 06:52:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-11-17 06:52:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2021-11-17 06:52:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2021-11-17 06:52:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2021-11-17 06:52:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2021-11-17 06:52:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:52:08,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:52:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 06:52:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2021-11-17 06:52:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2021-11-17 06:52:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2021-11-17 06:52:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:52:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-11-17 06:52:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 715 [2021-11-17 06:52:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2021-11-17 06:52:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 732 [2021-11-17 06:52:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2021-11-17 06:52:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 753 [2021-11-17 06:52:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 757 [2021-11-17 06:52:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 764 [2021-11-17 06:52:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-11-17 06:52:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:52:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 790 [2021-11-17 06:52:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:08,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2021-11-17 06:52:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:09,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 814 [2021-11-17 06:52:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:09,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:52:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:09,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:52:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:09,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 834 [2021-11-17 06:52:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:09,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 844 [2021-11-17 06:52:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:09,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 851 [2021-11-17 06:52:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:09,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 857 [2021-11-17 06:52:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:09,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 870 [2021-11-17 06:52:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:52:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 3294 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 3236 trivial. 0 not checked. [2021-11-17 06:52:09,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:52:09,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316247581] [2021-11-17 06:52:09,045 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316247581] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:52:09,045 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:52:09,045 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 06:52:09,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058036431] [2021-11-17 06:52:09,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:52:09,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 06:52:09,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:52:09,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 06:52:09,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-17 06:52:09,047 INFO L87 Difference]: Start difference. First operand 37322 states and 47711 transitions. Second operand has 11 states, 10 states have (on average 31.7) internal successors, (317), 4 states have internal predecessors, (317), 4 states have call successors, (97), 8 states have call predecessors, (97), 2 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) [2021-11-17 06:52:11,714 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:52:13,767 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:52:15,836 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:52:17,900 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:52:19,967 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:52:22,130 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:52:27,925 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:52:43,232 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:52:52,405 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:52:54,423 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:52:55,850 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:52:56,940 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:52:58,500 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:53:00,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:53:00,950 INFO L93 Difference]: Finished difference Result 82015 states and 105193 transitions. [2021-11-17 06:53:00,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 06:53:00,950 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 31.7) internal successors, (317), 4 states have internal predecessors, (317), 4 states have call successors, (97), 8 states have call predecessors, (97), 2 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) Word has length 880 [2021-11-17 06:53:00,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:53:01,076 INFO L225 Difference]: With dead ends: 82015 [2021-11-17 06:53:01,076 INFO L226 Difference]: Without dead ends: 44725 [2021-11-17 06:53:01,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2021-11-17 06:53:01,138 INFO L933 BasicCegarLoop]: 2183 mSDtfsCounter, 1392 mSDsluCounter, 8593 mSDsCounter, 0 mSdLazyCounter, 6978 mSolverCounterSat, 973 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1569 SdHoareTripleChecker+Valid, 10776 SdHoareTripleChecker+Invalid, 7958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 973 IncrementalHoareTripleChecker+Valid, 6978 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.4s IncrementalHoareTripleChecker+Time [2021-11-17 06:53:01,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1569 Valid, 10776 Invalid, 7958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [973 Valid, 6978 Invalid, 7 Unknown, 0 Unchecked, 49.4s Time] [2021-11-17 06:53:01,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44725 states. [2021-11-17 06:53:03,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44725 to 44391. [2021-11-17 06:53:03,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44391 states, 33439 states have (on average 1.2070037979604653) internal successors, (40361), 33808 states have internal predecessors, (40361), 8116 states have call successors, (8116), 2773 states have call predecessors, (8116), 2835 states have return successors, (8250), 7865 states have call predecessors, (8250), 8116 states have call successors, (8250) [2021-11-17 06:53:03,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44391 states to 44391 states and 56727 transitions. [2021-11-17 06:53:03,149 INFO L78 Accepts]: Start accepts. Automaton has 44391 states and 56727 transitions. Word has length 880 [2021-11-17 06:53:03,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:53:03,149 INFO L470 AbstractCegarLoop]: Abstraction has 44391 states and 56727 transitions. [2021-11-17 06:53:03,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 31.7) internal successors, (317), 4 states have internal predecessors, (317), 4 states have call successors, (97), 8 states have call predecessors, (97), 2 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) [2021-11-17 06:53:03,150 INFO L276 IsEmpty]: Start isEmpty. Operand 44391 states and 56727 transitions. [2021-11-17 06:53:03,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 880 [2021-11-17 06:53:03,182 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:53:03,183 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 23, 23, 19, 19, 19, 14, 14, 14, 14, 14, 14, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:53:03,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-17 06:53:03,183 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:53:03,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:53:03,183 INFO L85 PathProgramCache]: Analyzing trace with hash 2050705271, now seen corresponding path program 1 times [2021-11-17 06:53:03,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:53:03,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534726271] [2021-11-17 06:53:03,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:53:03,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:53:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:53:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:53:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:53:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:53:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:53:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:53:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:53:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:53:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:53:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:53:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:53:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:53:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:53:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:53:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:53:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:53:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:53:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:53:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:53:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:53:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:53:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:53:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:53:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:53:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:53:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:53:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:53:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:53:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:53:03,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:53:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:53:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:53:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:53:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:53:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:53:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:53:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:53:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:53:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 06:53:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 06:53:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:53:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:53:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:53:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 06:53:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 06:53:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 06:53:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:53:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:53:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 06:53:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-11-17 06:53:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-17 06:53:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:53:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:53:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 06:53:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-11-17 06:53:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-17 06:53:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:03,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:03,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:53:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:53:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-11-17 06:53:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 06:53:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-11-17 06:53:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 06:53:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 06:53:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 06:53:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-11-17 06:53:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2021-11-17 06:53:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-11-17 06:53:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-11-17 06:53:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-11-17 06:53:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2021-11-17 06:53:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2021-11-17 06:53:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2021-11-17 06:53:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2021-11-17 06:53:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:53:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:53:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 06:53:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2021-11-17 06:53:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2021-11-17 06:53:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2021-11-17 06:53:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:53:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-11-17 06:53:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 715 [2021-11-17 06:53:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2021-11-17 06:53:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 732 [2021-11-17 06:53:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2021-11-17 06:53:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 753 [2021-11-17 06:53:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 757 [2021-11-17 06:53:04,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 764 [2021-11-17 06:53:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-11-17 06:53:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 791 [2021-11-17 06:53:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 810 [2021-11-17 06:53:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2021-11-17 06:53:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:53:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:53:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 832 [2021-11-17 06:53:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 837 [2021-11-17 06:53:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:53:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 06:53:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 869 [2021-11-17 06:53:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:04,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3257 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 3227 trivial. 0 not checked. [2021-11-17 06:53:04,250 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:53:04,250 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534726271] [2021-11-17 06:53:04,250 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534726271] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:53:04,250 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:53:04,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 06:53:04,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414919091] [2021-11-17 06:53:04,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:53:04,252 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 06:53:04,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:53:04,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 06:53:04,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-17 06:53:04,253 INFO L87 Difference]: Start difference. First operand 44391 states and 56727 transitions. Second operand has 11 states, 10 states have (on average 32.8) internal successors, (328), 4 states have internal predecessors, (328), 4 states have call successors, (96), 8 states have call predecessors, (96), 2 states have return successors, (95), 4 states have call predecessors, (95), 4 states have call successors, (95) [2021-11-17 06:53:06,480 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:53:08,719 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:53:10,051 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:53:11,054 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:53:14,156 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:53:17,698 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:53:19,922 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:53:21,936 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:53:33,596 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:53:39,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:53:39,161 INFO L93 Difference]: Finished difference Result 96221 states and 123485 transitions. [2021-11-17 06:53:39,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 06:53:39,162 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 32.8) internal successors, (328), 4 states have internal predecessors, (328), 4 states have call successors, (96), 8 states have call predecessors, (96), 2 states have return successors, (95), 4 states have call predecessors, (95), 4 states have call successors, (95) Word has length 879 [2021-11-17 06:53:39,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:53:39,318 INFO L225 Difference]: With dead ends: 96221 [2021-11-17 06:53:39,318 INFO L226 Difference]: Without dead ends: 51862 [2021-11-17 06:53:39,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2021-11-17 06:53:39,391 INFO L933 BasicCegarLoop]: 2182 mSDtfsCounter, 1758 mSDsluCounter, 7895 mSDsCounter, 0 mSdLazyCounter, 6054 mSolverCounterSat, 1543 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1934 SdHoareTripleChecker+Valid, 10077 SdHoareTripleChecker+Invalid, 7599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1543 IncrementalHoareTripleChecker+Valid, 6054 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2021-11-17 06:53:39,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1934 Valid, 10077 Invalid, 7599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1543 Valid, 6054 Invalid, 2 Unknown, 0 Unchecked, 32.6s Time] [2021-11-17 06:53:39,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51862 states. [2021-11-17 06:53:41,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51862 to 51484. [2021-11-17 06:53:41,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51484 states, 38814 states have (on average 1.2049518215077033) internal successors, (46769), 39244 states have internal predecessors, (46769), 9422 states have call successors, (9422), 3153 states have call predecessors, (9422), 3247 states have return successors, (9602), 9142 states have call predecessors, (9602), 9422 states have call successors, (9602) [2021-11-17 06:53:42,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51484 states to 51484 states and 65793 transitions. [2021-11-17 06:53:42,056 INFO L78 Accepts]: Start accepts. Automaton has 51484 states and 65793 transitions. Word has length 879 [2021-11-17 06:53:42,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:53:42,057 INFO L470 AbstractCegarLoop]: Abstraction has 51484 states and 65793 transitions. [2021-11-17 06:53:42,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 32.8) internal successors, (328), 4 states have internal predecessors, (328), 4 states have call successors, (96), 8 states have call predecessors, (96), 2 states have return successors, (95), 4 states have call predecessors, (95), 4 states have call successors, (95) [2021-11-17 06:53:42,057 INFO L276 IsEmpty]: Start isEmpty. Operand 51484 states and 65793 transitions. [2021-11-17 06:53:42,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 883 [2021-11-17 06:53:42,099 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:53:42,100 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 22, 22, 19, 19, 19, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:53:42,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-17 06:53:42,100 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:53:42,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:53:42,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1390214576, now seen corresponding path program 1 times [2021-11-17 06:53:42,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:53:42,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226586977] [2021-11-17 06:53:42,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:53:42,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:53:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:53:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:53:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:53:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:53:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:53:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:53:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:53:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:53:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:53:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:53:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:53:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:53:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:53:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:53:42,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:53:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:53:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:53:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:53:42,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:53:42,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:53:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:53:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:53:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:53:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:53:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:53:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:53:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:53:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:53:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:53:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:53:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:53:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:53:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:53:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:53:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:53:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:53:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:53:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:53:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 06:53:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 06:53:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:53:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:53:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:53:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 06:53:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 06:53:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 06:53:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:53:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:53:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 06:53:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-11-17 06:53:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-17 06:53:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:53:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:53:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 06:53:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-11-17 06:53:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-17 06:53:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:53:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:53:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-11-17 06:53:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 06:53:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-11-17 06:53:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 06:53:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 06:53:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 06:53:42,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-11-17 06:53:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2021-11-17 06:53:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:42,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-11-17 06:53:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-11-17 06:53:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-11-17 06:53:43,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2021-11-17 06:53:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2021-11-17 06:53:43,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2021-11-17 06:53:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2021-11-17 06:53:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:53:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:53:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 06:53:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2021-11-17 06:53:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2021-11-17 06:53:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2021-11-17 06:53:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:53:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-11-17 06:53:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 715 [2021-11-17 06:53:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2021-11-17 06:53:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 732 [2021-11-17 06:53:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2021-11-17 06:53:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 753 [2021-11-17 06:53:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 757 [2021-11-17 06:53:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 764 [2021-11-17 06:53:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-11-17 06:53:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:53:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 792 [2021-11-17 06:53:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 811 [2021-11-17 06:53:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 816 [2021-11-17 06:53:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:53:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:53:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2021-11-17 06:53:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 846 [2021-11-17 06:53:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2021-11-17 06:53:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 859 [2021-11-17 06:53:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 872 [2021-11-17 06:53:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:53:43,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3294 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 3236 trivial. 0 not checked. [2021-11-17 06:53:43,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:53:43,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226586977] [2021-11-17 06:53:43,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226586977] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:53:43,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:53:43,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 06:53:43,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787356381] [2021-11-17 06:53:43,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:53:43,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 06:53:43,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:53:43,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 06:53:43,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-17 06:53:43,173 INFO L87 Difference]: Start difference. First operand 51484 states and 65793 transitions. Second operand has 11 states, 10 states have (on average 31.9) internal successors, (319), 4 states have internal predecessors, (319), 4 states have call successors, (97), 8 states have call predecessors, (97), 2 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) [2021-11-17 06:53:45,443 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:53:47,199 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:53:49,262 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:53:53,993 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:54:03,200 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:54:04,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:54:04,700 INFO L93 Difference]: Finished difference Result 110563 states and 141845 transitions. [2021-11-17 06:54:04,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 06:54:04,701 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 31.9) internal successors, (319), 4 states have internal predecessors, (319), 4 states have call successors, (97), 8 states have call predecessors, (97), 2 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) Word has length 882 [2021-11-17 06:54:04,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:54:04,874 INFO L225 Difference]: With dead ends: 110563 [2021-11-17 06:54:04,874 INFO L226 Difference]: Without dead ends: 59111 [2021-11-17 06:54:05,107 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2021-11-17 06:54:05,108 INFO L933 BasicCegarLoop]: 2180 mSDtfsCounter, 1805 mSDsluCounter, 6323 mSDsCounter, 0 mSdLazyCounter, 4474 mSolverCounterSat, 1632 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1982 SdHoareTripleChecker+Valid, 8503 SdHoareTripleChecker+Invalid, 6108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1632 IncrementalHoareTripleChecker+Valid, 4474 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2021-11-17 06:54:05,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1982 Valid, 8503 Invalid, 6108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1632 Valid, 4474 Invalid, 2 Unknown, 0 Unchecked, 18.8s Time] [2021-11-17 06:54:05,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59111 states. [2021-11-17 06:54:07,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59111 to 58689. [2021-11-17 06:54:07,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58689 states, 44275 states have (on average 1.20300395256917) internal successors, (53263), 44766 states have internal predecessors, (53263), 10728 states have call successors, (10728), 3559 states have call predecessors, (10728), 3685 states have return successors, (10954), 10419 states have call predecessors, (10954), 10728 states have call successors, (10954) [2021-11-17 06:54:08,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58689 states to 58689 states and 74945 transitions. [2021-11-17 06:54:08,092 INFO L78 Accepts]: Start accepts. Automaton has 58689 states and 74945 transitions. Word has length 882 [2021-11-17 06:54:08,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:54:08,092 INFO L470 AbstractCegarLoop]: Abstraction has 58689 states and 74945 transitions. [2021-11-17 06:54:08,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 31.9) internal successors, (319), 4 states have internal predecessors, (319), 4 states have call successors, (97), 8 states have call predecessors, (97), 2 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) [2021-11-17 06:54:08,093 INFO L276 IsEmpty]: Start isEmpty. Operand 58689 states and 74945 transitions. [2021-11-17 06:54:08,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 884 [2021-11-17 06:54:08,134 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:54:08,134 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 22, 22, 19, 19, 19, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:54:08,134 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-17 06:54:08,135 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:54:08,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:54:08,135 INFO L85 PathProgramCache]: Analyzing trace with hash 2124253406, now seen corresponding path program 1 times [2021-11-17 06:54:08,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:54:08,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643106142] [2021-11-17 06:54:08,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:54:08,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:54:08,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:54:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:54:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:54:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:54:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:54:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:54:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:08,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:54:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:54:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:54:08,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:54:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:54:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:54:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:54:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:54:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:54:08,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:54:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:54:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:54:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:54:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:54:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:54:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:54:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:54:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:54:08,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:54:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:54:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:54:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:54:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:54:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:54:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:54:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:54:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:54:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:54:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:54:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:54:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:54:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:54:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 06:54:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 06:54:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:54:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:54:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:54:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 06:54:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 06:54:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 06:54:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:54:08,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:54:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 06:54:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-11-17 06:54:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-17 06:54:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:54:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:54:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 06:54:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-11-17 06:54:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-17 06:54:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:54:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:54:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-11-17 06:54:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 06:54:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-11-17 06:54:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:08,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 06:54:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 06:54:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 06:54:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-11-17 06:54:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2021-11-17 06:54:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-11-17 06:54:09,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-11-17 06:54:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-11-17 06:54:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2021-11-17 06:54:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2021-11-17 06:54:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2021-11-17 06:54:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2021-11-17 06:54:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:54:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:54:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 06:54:09,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2021-11-17 06:54:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2021-11-17 06:54:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2021-11-17 06:54:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:54:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-11-17 06:54:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 715 [2021-11-17 06:54:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2021-11-17 06:54:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 732 [2021-11-17 06:54:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2021-11-17 06:54:09,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 753 [2021-11-17 06:54:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 757 [2021-11-17 06:54:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 764 [2021-11-17 06:54:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-11-17 06:54:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 793 [2021-11-17 06:54:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 812 [2021-11-17 06:54:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 817 [2021-11-17 06:54:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:54:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:54:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 837 [2021-11-17 06:54:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 847 [2021-11-17 06:54:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2021-11-17 06:54:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2021-11-17 06:54:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 873 [2021-11-17 06:54:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:09,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3294 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 3236 trivial. 0 not checked. [2021-11-17 06:54:09,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:54:09,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643106142] [2021-11-17 06:54:09,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643106142] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:54:09,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:54:09,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 06:54:09,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118765810] [2021-11-17 06:54:09,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:54:09,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 06:54:09,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:54:09,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 06:54:09,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-17 06:54:09,241 INFO L87 Difference]: Start difference. First operand 58689 states and 74945 transitions. Second operand has 11 states, 10 states have (on average 32.0) internal successors, (320), 4 states have internal predecessors, (320), 4 states have call successors, (97), 8 states have call predecessors, (97), 2 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) [2021-11-17 06:54:11,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:54:19,055 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:54:32,306 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:54:36,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:54:36,222 INFO L93 Difference]: Finished difference Result 124973 states and 160273 transitions. [2021-11-17 06:54:36,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 06:54:36,223 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 32.0) internal successors, (320), 4 states have internal predecessors, (320), 4 states have call successors, (97), 8 states have call predecessors, (97), 2 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) Word has length 883 [2021-11-17 06:54:36,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:54:36,438 INFO L225 Difference]: With dead ends: 124973 [2021-11-17 06:54:36,438 INFO L226 Difference]: Without dead ends: 66316 [2021-11-17 06:54:36,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2021-11-17 06:54:36,712 INFO L933 BasicCegarLoop]: 2180 mSDtfsCounter, 1758 mSDsluCounter, 7895 mSDsCounter, 0 mSdLazyCounter, 6058 mSolverCounterSat, 1561 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1934 SdHoareTripleChecker+Valid, 10075 SdHoareTripleChecker+Invalid, 7621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1561 IncrementalHoareTripleChecker+Valid, 6058 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.9s IncrementalHoareTripleChecker+Time [2021-11-17 06:54:36,712 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1934 Valid, 10075 Invalid, 7621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1561 Valid, 6058 Invalid, 2 Unknown, 0 Unchecked, 23.9s Time] [2021-11-17 06:54:36,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66316 states. [2021-11-17 06:54:39,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66316 to 65850. [2021-11-17 06:54:39,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65850 states, 49718 states have (on average 1.2015567802405567) internal successors, (59739), 50270 states have internal predecessors, (59739), 12034 states have call successors, (12034), 3939 states have call predecessors, (12034), 4097 states have return successors, (12306), 11696 states have call predecessors, (12306), 12034 states have call successors, (12306) [2021-11-17 06:54:39,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65850 states to 65850 states and 84079 transitions. [2021-11-17 06:54:39,951 INFO L78 Accepts]: Start accepts. Automaton has 65850 states and 84079 transitions. Word has length 883 [2021-11-17 06:54:39,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:54:39,952 INFO L470 AbstractCegarLoop]: Abstraction has 65850 states and 84079 transitions. [2021-11-17 06:54:39,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 32.0) internal successors, (320), 4 states have internal predecessors, (320), 4 states have call successors, (97), 8 states have call predecessors, (97), 2 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) [2021-11-17 06:54:39,952 INFO L276 IsEmpty]: Start isEmpty. Operand 65850 states and 84079 transitions. [2021-11-17 06:54:39,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 885 [2021-11-17 06:54:39,999 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:54:39,999 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 22, 22, 19, 19, 19, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:54:39,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-17 06:54:40,000 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:54:40,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:54:40,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1966850861, now seen corresponding path program 1 times [2021-11-17 06:54:40,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:54:40,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089881186] [2021-11-17 06:54:40,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:54:40,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:54:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:54:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:54:40,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:54:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:54:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:54:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:54:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:54:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:54:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:54:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:54:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:54:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:54:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:54:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:54:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:54:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:54:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:54:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:54:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:54:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:54:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:54:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:54:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:54:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:54:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:54:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:54:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:54:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:54:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:54:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:54:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:54:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:54:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:54:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:54:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:54:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:54:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:54:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:54:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 06:54:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 06:54:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:54:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:54:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:54:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 06:54:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 06:54:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 06:54:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:54:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:54:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 06:54:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-11-17 06:54:40,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-17 06:54:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:54:40,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:54:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 06:54:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-11-17 06:54:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-17 06:54:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:54:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:54:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-11-17 06:54:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 06:54:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-11-17 06:54:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 06:54:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 06:54:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 06:54:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-11-17 06:54:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2021-11-17 06:54:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-11-17 06:54:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-11-17 06:54:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-11-17 06:54:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2021-11-17 06:54:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2021-11-17 06:54:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2021-11-17 06:54:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2021-11-17 06:54:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:54:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:54:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 06:54:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2021-11-17 06:54:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2021-11-17 06:54:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2021-11-17 06:54:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:54:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-11-17 06:54:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 715 [2021-11-17 06:54:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2021-11-17 06:54:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 732 [2021-11-17 06:54:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2021-11-17 06:54:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 753 [2021-11-17 06:54:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 757 [2021-11-17 06:54:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 764 [2021-11-17 06:54:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:40,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-11-17 06:54:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:54:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:41,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 794 [2021-11-17 06:54:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:41,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 813 [2021-11-17 06:54:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:41,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 818 [2021-11-17 06:54:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:41,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:54:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:41,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:54:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:41,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 838 [2021-11-17 06:54:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:41,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 848 [2021-11-17 06:54:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:41,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 855 [2021-11-17 06:54:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:41,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 861 [2021-11-17 06:54:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:41,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 874 [2021-11-17 06:54:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:54:41,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3294 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 3236 trivial. 0 not checked. [2021-11-17 06:54:41,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:54:41,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089881186] [2021-11-17 06:54:41,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089881186] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:54:41,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:54:41,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 06:54:41,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134174288] [2021-11-17 06:54:41,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:54:41,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 06:54:41,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:54:41,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 06:54:41,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-11-17 06:54:41,044 INFO L87 Difference]: Start difference. First operand 65850 states and 84079 transitions. Second operand has 11 states, 10 states have (on average 32.1) internal successors, (321), 4 states have internal predecessors, (321), 4 states have call successors, (97), 8 states have call predecessors, (97), 2 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) [2021-11-17 06:54:43,079 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:54:44,219 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:54:46,264 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:54:49,090 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:55:08,688 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:55:17,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:55:17,960 INFO L93 Difference]: Finished difference Result 139451 states and 178769 transitions. [2021-11-17 06:55:17,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-17 06:55:17,961 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 32.1) internal successors, (321), 4 states have internal predecessors, (321), 4 states have call successors, (97), 8 states have call predecessors, (97), 2 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) Word has length 884 [2021-11-17 06:55:17,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:55:18,202 INFO L225 Difference]: With dead ends: 139451 [2021-11-17 06:55:18,202 INFO L226 Difference]: Without dead ends: 73633 [2021-11-17 06:55:18,466 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2021-11-17 06:55:18,466 INFO L933 BasicCegarLoop]: 2181 mSDtfsCounter, 1414 mSDsluCounter, 8581 mSDsCounter, 0 mSdLazyCounter, 6998 mSolverCounterSat, 997 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 10762 SdHoareTripleChecker+Invalid, 7997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 997 IncrementalHoareTripleChecker+Valid, 6998 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2021-11-17 06:55:18,467 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1588 Valid, 10762 Invalid, 7997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [997 Valid, 6998 Invalid, 2 Unknown, 0 Unchecked, 33.6s Time] [2021-11-17 06:55:18,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73633 states. [2021-11-17 06:55:21,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73633 to 73123. [2021-11-17 06:55:21,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73123 states, 55247 states have (on average 1.2000832624395894) internal successors, (66301), 55860 states have internal predecessors, (66301), 13340 states have call successors, (13340), 4345 states have call predecessors, (13340), 4535 states have return successors, (13658), 12973 states have call predecessors, (13658), 13340 states have call successors, (13658) [2021-11-17 06:55:22,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73123 states to 73123 states and 93299 transitions. [2021-11-17 06:55:22,022 INFO L78 Accepts]: Start accepts. Automaton has 73123 states and 93299 transitions. Word has length 884 [2021-11-17 06:55:22,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:55:22,023 INFO L470 AbstractCegarLoop]: Abstraction has 73123 states and 93299 transitions. [2021-11-17 06:55:22,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 32.1) internal successors, (321), 4 states have internal predecessors, (321), 4 states have call successors, (97), 8 states have call predecessors, (97), 2 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) [2021-11-17 06:55:22,024 INFO L276 IsEmpty]: Start isEmpty. Operand 73123 states and 93299 transitions. [2021-11-17 06:55:22,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 884 [2021-11-17 06:55:22,275 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:55:22,275 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 23, 23, 19, 19, 19, 14, 14, 14, 14, 14, 14, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:55:22,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-17 06:55:22,276 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:55:22,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:55:22,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1325540657, now seen corresponding path program 1 times [2021-11-17 06:55:22,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:55:22,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217822006] [2021-11-17 06:55:22,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:55:22,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:55:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:55:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:55:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:55:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:55:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:55:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:55:22,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:55:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:55:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:55:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:55:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:55:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:55:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:55:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:55:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:55:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:55:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:55:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:55:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:55:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:55:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:55:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:55:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:55:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:55:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:55:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:55:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:55:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:55:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:55:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:55:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:55:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:55:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:55:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:55:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:55:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:55:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:55:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:55:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 06:55:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 06:55:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:55:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:55:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:55:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 06:55:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 06:55:22,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 06:55:22,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:55:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:55:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 06:55:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-11-17 06:55:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-17 06:55:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:55:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:55:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 06:55:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-11-17 06:55:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-17 06:55:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:55:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:55:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-11-17 06:55:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 06:55:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-11-17 06:55:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 06:55:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 06:55:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 06:55:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-11-17 06:55:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2021-11-17 06:55:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-11-17 06:55:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-11-17 06:55:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-11-17 06:55:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2021-11-17 06:55:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2021-11-17 06:55:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2021-11-17 06:55:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2021-11-17 06:55:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:22,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:55:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:55:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 06:55:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2021-11-17 06:55:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2021-11-17 06:55:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2021-11-17 06:55:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:55:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-11-17 06:55:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 715 [2021-11-17 06:55:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2021-11-17 06:55:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 732 [2021-11-17 06:55:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2021-11-17 06:55:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:23,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 753 [2021-11-17 06:55:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 757 [2021-11-17 06:55:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 764 [2021-11-17 06:55:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-11-17 06:55:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:23,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 795 [2021-11-17 06:55:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 814 [2021-11-17 06:55:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 819 [2021-11-17 06:55:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:55:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:55:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2021-11-17 06:55:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 841 [2021-11-17 06:55:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:55:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 06:55:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 873 [2021-11-17 06:55:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:23,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3257 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 3163 trivial. 0 not checked. [2021-11-17 06:55:23,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:55:23,190 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217822006] [2021-11-17 06:55:23,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217822006] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:55:23,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 06:55:23,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-17 06:55:23,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538531728] [2021-11-17 06:55:23,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:55:23,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-17 06:55:23,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:55:23,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-17 06:55:23,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-11-17 06:55:23,193 INFO L87 Difference]: Start difference. First operand 73123 states and 93299 transitions. Second operand has 14 states, 12 states have (on average 27.25) internal successors, (327), 6 states have internal predecessors, (327), 4 states have call successors, (95), 8 states have call predecessors, (95), 3 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) [2021-11-17 06:55:25,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:55:27,316 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:55:29,396 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:55:31,976 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:55:43,317 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:55:50,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:55:50,214 INFO L93 Difference]: Finished difference Result 147488 states and 188889 transitions. [2021-11-17 06:55:50,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-17 06:55:50,215 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 27.25) internal successors, (327), 6 states have internal predecessors, (327), 4 states have call successors, (95), 8 states have call predecessors, (95), 3 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) Word has length 883 [2021-11-17 06:55:50,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:55:50,611 INFO L225 Difference]: With dead ends: 147488 [2021-11-17 06:55:50,611 INFO L226 Difference]: Without dead ends: 74397 [2021-11-17 06:55:50,730 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2021-11-17 06:55:50,731 INFO L933 BasicCegarLoop]: 1202 mSDtfsCounter, 649 mSDsluCounter, 7275 mSDsCounter, 0 mSdLazyCounter, 5211 mSolverCounterSat, 688 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 8477 SdHoareTripleChecker+Invalid, 5902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 688 IncrementalHoareTripleChecker+Valid, 5211 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2021-11-17 06:55:50,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [700 Valid, 8477 Invalid, 5902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [688 Valid, 5211 Invalid, 3 Unknown, 0 Unchecked, 23.5s Time] [2021-11-17 06:55:50,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74397 states. [2021-11-17 06:55:54,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74397 to 73375. [2021-11-17 06:55:54,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73375 states, 55415 states have (on average 1.1994766759902553) internal successors, (66469), 56028 states have internal predecessors, (66469), 13424 states have call successors, (13424), 4345 states have call predecessors, (13424), 4535 states have return successors, (13742), 13057 states have call predecessors, (13742), 13424 states have call successors, (13742) [2021-11-17 06:55:54,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73375 states to 73375 states and 93635 transitions. [2021-11-17 06:55:54,561 INFO L78 Accepts]: Start accepts. Automaton has 73375 states and 93635 transitions. Word has length 883 [2021-11-17 06:55:54,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 06:55:54,562 INFO L470 AbstractCegarLoop]: Abstraction has 73375 states and 93635 transitions. [2021-11-17 06:55:54,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 27.25) internal successors, (327), 6 states have internal predecessors, (327), 4 states have call successors, (95), 8 states have call predecessors, (95), 3 states have return successors, (94), 4 states have call predecessors, (94), 4 states have call successors, (94) [2021-11-17 06:55:54,562 INFO L276 IsEmpty]: Start isEmpty. Operand 73375 states and 93635 transitions. [2021-11-17 06:55:54,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 886 [2021-11-17 06:55:54,615 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 06:55:54,616 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 22, 22, 19, 19, 19, 14, 14, 14, 14, 14, 14, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 06:55:54,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-17 06:55:54,616 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 06:55:54,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 06:55:54,617 INFO L85 PathProgramCache]: Analyzing trace with hash -55430533, now seen corresponding path program 1 times [2021-11-17 06:55:54,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 06:55:54,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125525112] [2021-11-17 06:55:54,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:55:54,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 06:55:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 06:55:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 06:55:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 06:55:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 06:55:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 06:55:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 06:55:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 06:55:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 06:55:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 06:55:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 06:55:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 06:55:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 06:55:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-11-17 06:55:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 06:55:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-11-17 06:55:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-11-17 06:55:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-11-17 06:55:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 06:55:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-17 06:55:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:55:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:55:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 06:55:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:55:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:55:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 06:55:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:55:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:55:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 06:55:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 06:55:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 06:55:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 06:55:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-11-17 06:55:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 06:55:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-11-17 06:55:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 06:55:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-11-17 06:55:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 06:55:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 06:55:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-11-17 06:55:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 06:55:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 06:55:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:55:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:55:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 06:55:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-11-17 06:55:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-11-17 06:55:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:55:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:55:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 06:55:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-11-17 06:55:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-17 06:55:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:55:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:55:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 06:55:55,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-11-17 06:55:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-17 06:55:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 06:55:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-11-17 06:55:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-11-17 06:55:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 06:55:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-11-17 06:55:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2021-11-17 06:55:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 06:55:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-11-17 06:55:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-11-17 06:55:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2021-11-17 06:55:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-11-17 06:55:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2021-11-17 06:55:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2021-11-17 06:55:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2021-11-17 06:55:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2021-11-17 06:55:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2021-11-17 06:55:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2021-11-17 06:55:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:55:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 06:55:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-11-17 06:55:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2021-11-17 06:55:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2021-11-17 06:55:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2021-11-17 06:55:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 06:55:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2021-11-17 06:55:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 715 [2021-11-17 06:55:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2021-11-17 06:55:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 732 [2021-11-17 06:55:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2021-11-17 06:55:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 753 [2021-11-17 06:55:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 757 [2021-11-17 06:55:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 764 [2021-11-17 06:55:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 776 [2021-11-17 06:55:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 06:55:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 795 [2021-11-17 06:55:55,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 814 [2021-11-17 06:55:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 819 [2021-11-17 06:55:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-17 06:55:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 06:55:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 839 [2021-11-17 06:55:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 849 [2021-11-17 06:55:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 856 [2021-11-17 06:55:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 862 [2021-11-17 06:55:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 875 [2021-11-17 06:55:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:55,944 INFO L134 CoverageAnalysis]: Checked inductivity of 3294 backedges. 60 proven. 6 refuted. 0 times theorem prover too weak. 3228 trivial. 0 not checked. [2021-11-17 06:55:55,944 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 06:55:55,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125525112] [2021-11-17 06:55:55,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125525112] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 06:55:55,945 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428774099] [2021-11-17 06:55:55,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 06:55:55,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 06:55:55,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 06:55:55,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 06:55:55,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 06:55:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 06:55:57,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 7321 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-17 06:55:57,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 06:55:58,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3294 backedges. 1587 proven. 0 refuted. 0 times theorem prover too weak. 1707 trivial. 0 not checked. [2021-11-17 06:55:58,891 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 06:55:58,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428774099] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 06:55:58,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 06:55:58,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 12 [2021-11-17 06:55:58,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099429365] [2021-11-17 06:55:58,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 06:55:58,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 06:55:58,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 06:55:58,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 06:55:58,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-17 06:55:58,895 INFO L87 Difference]: Start difference. First operand 73375 states and 93635 transitions. Second operand has 6 states, 6 states have (on average 57.833333333333336) internal successors, (347), 5 states have internal predecessors, (347), 2 states have call successors, (100), 2 states have call predecessors, (100), 3 states have return successors, (97), 3 states have call predecessors, (97), 2 states have call successors, (97) [2021-11-17 06:56:00,513 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:56:02,864 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:56:04,269 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:56:12,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 06:56:12,161 INFO L93 Difference]: Finished difference Result 221024 states and 289542 transitions. [2021-11-17 06:56:12,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 06:56:12,162 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 57.833333333333336) internal successors, (347), 5 states have internal predecessors, (347), 2 states have call successors, (100), 2 states have call predecessors, (100), 3 states have return successors, (97), 3 states have call predecessors, (97), 2 states have call successors, (97) Word has length 885 [2021-11-17 06:56:12,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 06:56:12,660 INFO L225 Difference]: With dead ends: 221024 [2021-11-17 06:56:12,660 INFO L226 Difference]: Without dead ends: 147681 [2021-11-17 06:56:12,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1144 GetRequests, 1133 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-17 06:56:12,832 INFO L933 BasicCegarLoop]: 1937 mSDtfsCounter, 854 mSDsluCounter, 7145 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 138 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 944 SdHoareTripleChecker+Valid, 9082 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-11-17 06:56:12,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [944 Valid, 9082 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 57 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2021-11-17 06:56:12,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147681 states.