./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.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 a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 13:15:06,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:15:06,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:15:06,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:15:06,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:15:06,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:15:06,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:15:06,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:15:06,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:15:06,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:15:06,675 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:15:06,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:15:06,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:15:06,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:15:06,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:15:06,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:15:06,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:15:06,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:15:06,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:15:06,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:15:06,682 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:15:06,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:15:06,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:15:06,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:15:06,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:15:06,693 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:15:06,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:15:06,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:15:06,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:15:06,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:15:06,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:15:06,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:15:06,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:15:06,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:15:06,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:15:06,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:15:06,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:15:06,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:15:06,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:15:06,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:15:06,702 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:15:06,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:15:06,703 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 13:15:06,726 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:15:06,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:15:06,726 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:15:06,726 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:15:06,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:15:06,727 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:15:06,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:15:06,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:15:06,728 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:15:06,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:15:06,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 13:15:06,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:15:06,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:15:06,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:15:06,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:15:06,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:15:06,734 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:15:06,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:15:06,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:15:06,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:15:06,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:15:06,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:15:06,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:15:06,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:15:06,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:15:06,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 13:15:06,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 13:15:06,736 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:15:06,736 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:15:06,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:15:06,737 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d [2022-07-21 13:15:06,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:15:06,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:15:06,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:15:06,964 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:15:06,965 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:15:06,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2022-07-21 13:15:07,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a90875f/4f544f1337444f4488bc92f61049f5c7/FLAGe7dce49e9 [2022-07-21 13:15:07,712 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:15:07,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2022-07-21 13:15:07,792 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a90875f/4f544f1337444f4488bc92f61049f5c7/FLAGe7dce49e9 [2022-07-21 13:15:08,056 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61a90875f/4f544f1337444f4488bc92f61049f5c7 [2022-07-21 13:15:08,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:15:08,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:15:08,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:15:08,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:15:08,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:15:08,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:15:08" (1/1) ... [2022-07-21 13:15:08,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8a88107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:15:08, skipping insertion in model container [2022-07-21 13:15:08,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:15:08" (1/1) ... [2022-07-21 13:15:08,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:15:08,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:15:09,996 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2022-07-21 13:15:10,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2022-07-21 13:15:10,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:15:10,085 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:15:10,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2022-07-21 13:15:10,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2022-07-21 13:15:10,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:15:10,469 INFO L208 MainTranslator]: Completed translation [2022-07-21 13:15:10,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:15:10 WrapperNode [2022-07-21 13:15:10,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 13:15:10,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 13:15:10,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 13:15:10,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 13:15:10,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:15:10" (1/1) ... [2022-07-21 13:15:10,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:15:10" (1/1) ... [2022-07-21 13:15:10,728 INFO L137 Inliner]: procedures = 455, calls = 2192, calls flagged for inlining = 223, calls inlined = 189, statements flattened = 5139 [2022-07-21 13:15:10,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 13:15:10,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 13:15:10,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 13:15:10,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 13:15:10,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:15:10" (1/1) ... [2022-07-21 13:15:10,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:15:10" (1/1) ... [2022-07-21 13:15:10,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:15:10" (1/1) ... [2022-07-21 13:15:10,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:15:10" (1/1) ... [2022-07-21 13:15:10,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:15:10" (1/1) ... [2022-07-21 13:15:10,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:15:10" (1/1) ... [2022-07-21 13:15:10,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:15:10" (1/1) ... [2022-07-21 13:15:10,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 13:15:10,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 13:15:10,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 13:15:10,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 13:15:10,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:15:10" (1/1) ... [2022-07-21 13:15:10,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:15:10,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:15:10,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 13:15:10,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 13:15:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 13:15:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 13:15:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 13:15:10,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 13:15:10,996 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-21 13:15:10,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-21 13:15:10,997 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 13:15:11,031 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 13:15:11,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 13:15:11,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 13:15:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 13:15:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 13:15:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wakeup [2022-07-21 13:15:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wakeup [2022-07-21 13:15:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_status [2022-07-21 13:15:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_status [2022-07-21 13:15:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_set_rx_mode [2022-07-21 13:15:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_set_rx_mode [2022-07-21 13:15:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 13:15:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 13:15:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 13:15:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 13:15:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-21 13:15:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-21 13:15:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 13:15:11,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 13:15:11,032 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-21 13:15:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 13:15:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 13:15:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 13:15:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 13:15:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 13:15:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 13:15:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-21 13:15:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-21 13:15:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 13:15:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 13:15:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 13:15:11,033 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 13:15:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 13:15:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 13:15:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 13:15:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 13:15:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 13:15:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_clean_tx [2022-07-21 13:15:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_clean_tx [2022-07-21 13:15:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_stop_runtime [2022-07-21 13:15:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_stop_runtime [2022-07-21 13:15:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 13:15:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 13:15:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_resume [2022-07-21 13:15:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_resume [2022-07-21 13:15:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_rxfree_index [2022-07-21 13:15:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_rxfree_index [2022-07-21 13:15:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 13:15:11,036 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_remove_one [2022-07-21 13:15:11,036 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_remove_one [2022-07-21 13:15:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 13:15:11,037 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 13:15:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 13:15:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 13:15:11,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 13:15:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 13:15:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 13:15:11,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 13:15:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 13:15:11,037 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 13:15:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 13:15:11,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 13:15:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 13:15:11,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 13:15:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 13:15:11,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 13:15:11,037 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-21 13:15:11,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-21 13:15:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 13:15:11,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 13:15:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 13:15:11,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 13:15:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_close [2022-07-21 13:15:11,038 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_close [2022-07-21 13:15:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_tx_timeout [2022-07-21 13:15:11,038 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_tx_timeout [2022-07-21 13:15:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_alloc_rx_skb [2022-07-21 13:15:11,038 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_alloc_rx_skb [2022-07-21 13:15:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_issue_command [2022-07-21 13:15:11,038 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_issue_command [2022-07-21 13:15:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 13:15:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 13:15:11,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 13:15:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 13:15:11,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 13:15:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 13:15:11,038 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_process_response [2022-07-21 13:15:11,039 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_process_response [2022-07-21 13:15:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 13:15:11,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 13:15:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 13:15:11,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 13:15:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 13:15:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 13:15:11,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 13:15:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-21 13:15:11,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-21 13:15:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-21 13:15:11,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-21 13:15:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-21 13:15:11,039 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-21 13:15:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free_tx [2022-07-21 13:15:11,039 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free_tx [2022-07-21 13:15:11,039 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-21 13:15:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-21 13:15:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_reset [2022-07-21 13:15:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_reset [2022-07-21 13:15:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 13:15:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 13:15:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 13:15:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 13:15:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_cmd_index [2022-07-21 13:15:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_cmd_index [2022-07-21 13:15:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 13:15:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 13:15:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_fill_free_ring [2022-07-21 13:15:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_fill_free_ring [2022-07-21 13:15:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 13:15:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 13:15:11,040 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 13:15:11,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 13:15:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 13:15:11,041 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 13:15:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 13:15:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 13:15:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 13:15:11,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 13:15:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 13:15:11,041 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 13:15:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 13:15:11,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 13:15:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 13:15:11,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 13:15:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 13:15:11,041 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 13:15:11,041 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-21 13:15:11,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-21 13:15:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_interrupt [2022-07-21 13:15:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_interrupt [2022-07-21 13:15:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 13:15:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 13:15:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 13:15:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 13:15:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-21 13:15:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-21 13:15:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 13:15:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_boot_3XP [2022-07-21 13:15:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_boot_3XP [2022-07-21 13:15:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-21 13:15:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-21 13:15:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 13:15:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 13:15:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 13:15:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 13:15:11,042 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-21 13:15:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-21 13:15:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-21 13:15:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-21 13:15:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-21 13:15:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-21 13:15:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 13:15:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 13:15:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 13:15:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 13:15:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_free_rx_rings [2022-07-21 13:15:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_free_rx_rings [2022-07-21 13:15:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 13:15:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 13:15:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_do_get_stats [2022-07-21 13:15:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_do_get_stats [2022-07-21 13:15:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free [2022-07-21 13:15:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free [2022-07-21 13:15:11,043 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_sleep [2022-07-21 13:15:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_sleep [2022-07-21 13:15:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 13:15:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 13:15:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 13:15:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2022-07-21 13:15:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2022-07-21 13:15:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_init_rings [2022-07-21 13:15:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_init_rings [2022-07-21 13:15:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 13:15:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 13:15:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_open [2022-07-21 13:15:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_open [2022-07-21 13:15:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 13:15:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 13:15:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_start_runtime [2022-07-21 13:15:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_start_runtime [2022-07-21 13:15:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-21 13:15:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-21 13:15:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-21 13:15:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-21 13:15:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 13:15:11,044 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_index [2022-07-21 13:15:11,045 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_index [2022-07-21 13:15:11,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 13:15:11,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 13:15:11,678 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 13:15:11,680 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 13:15:11,747 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 13:15:16,704 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 13:15:16,779 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 13:15:16,790 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 13:15:16,790 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 13:15:16,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:15:16 BoogieIcfgContainer [2022-07-21 13:15:16,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 13:15:16,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 13:15:16,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 13:15:16,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 13:15:16,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:15:08" (1/3) ... [2022-07-21 13:15:16,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2815ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:15:16, skipping insertion in model container [2022-07-21 13:15:16,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:15:10" (2/3) ... [2022-07-21 13:15:16,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2815ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:15:16, skipping insertion in model container [2022-07-21 13:15:16,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:15:16" (3/3) ... [2022-07-21 13:15:16,799 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2022-07-21 13:15:16,809 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 13:15:16,810 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 13:15:16,893 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 13:15:16,913 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@49b77789, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1df8a147 [2022-07-21 13:15:16,916 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 13:15:16,925 INFO L276 IsEmpty]: Start isEmpty. Operand has 1767 states, 1201 states have (on average 1.2905911740216487) internal successors, (1550), 1223 states have internal predecessors, (1550), 472 states have call successors, (472), 94 states have call predecessors, (472), 93 states have return successors, (467), 461 states have call predecessors, (467), 467 states have call successors, (467) [2022-07-21 13:15:16,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-07-21 13:15:16,951 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:15:16,952 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:15:16,953 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:15:16,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:15:16,956 INFO L85 PathProgramCache]: Analyzing trace with hash -969577126, now seen corresponding path program 1 times [2022-07-21 13:15:16,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:15:16,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88962460] [2022-07-21 13:15:16,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:15:16,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:15:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:15:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:15:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:15:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:15:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:15:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:15:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:15:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:15:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 13:15:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-21 13:15:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-21 13:15:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 13:15:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-21 13:15:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:15:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 13:15:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:15:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 13:15:17,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 13:15:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:17,830 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-21 13:15:17,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:15:17,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88962460] [2022-07-21 13:15:17,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88962460] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:15:17,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:15:17,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:15:17,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110928194] [2022-07-21 13:15:17,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:15:17,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:15:17,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:15:17,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:15:17,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:15:17,863 INFO L87 Difference]: Start difference. First operand has 1767 states, 1201 states have (on average 1.2905911740216487) internal successors, (1550), 1223 states have internal predecessors, (1550), 472 states have call successors, (472), 94 states have call predecessors, (472), 93 states have return successors, (467), 461 states have call predecessors, (467), 467 states have call successors, (467) Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 13:15:20,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:15:22,826 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:15:25,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:15:28,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:15:32,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:15:34,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:15:34,042 INFO L93 Difference]: Finished difference Result 4859 states and 7019 transitions. [2022-07-21 13:15:34,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 13:15:34,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 197 [2022-07-21 13:15:34,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:15:34,077 INFO L225 Difference]: With dead ends: 4859 [2022-07-21 13:15:34,077 INFO L226 Difference]: Without dead ends: 3047 [2022-07-21 13:15:34,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:15:34,096 INFO L413 NwaCegarLoop]: 2488 mSDtfsCounter, 3229 mSDsluCounter, 3151 mSDsCounter, 0 mSdLazyCounter, 2855 mSolverCounterSat, 2269 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3445 SdHoareTripleChecker+Valid, 5639 SdHoareTripleChecker+Invalid, 5129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2269 IncrementalHoareTripleChecker+Valid, 2855 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-07-21 13:15:34,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3445 Valid, 5639 Invalid, 5129 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2269 Valid, 2855 Invalid, 5 Unknown, 0 Unchecked, 15.8s Time] [2022-07-21 13:15:34,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3047 states. [2022-07-21 13:15:34,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3047 to 2813. [2022-07-21 13:15:34,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 1957 states have (on average 1.2754215636177824) internal successors, (2496), 1990 states have internal predecessors, (2496), 700 states have call successors, (700), 155 states have call predecessors, (700), 155 states have return successors, (700), 691 states have call predecessors, (700), 700 states have call successors, (700) [2022-07-21 13:15:34,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3896 transitions. [2022-07-21 13:15:34,314 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3896 transitions. Word has length 197 [2022-07-21 13:15:34,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:15:34,317 INFO L495 AbstractCegarLoop]: Abstraction has 2813 states and 3896 transitions. [2022-07-21 13:15:34,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 13:15:34,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3896 transitions. [2022-07-21 13:15:34,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-07-21 13:15:34,327 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:15:34,327 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:15:34,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 13:15:34,328 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:15:34,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:15:34,329 INFO L85 PathProgramCache]: Analyzing trace with hash 243615577, now seen corresponding path program 1 times [2022-07-21 13:15:34,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:15:34,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693198044] [2022-07-21 13:15:34,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:15:34,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:15:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:15:34,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:15:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:15:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:15:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:15:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:15:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:15:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:15:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 13:15:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-21 13:15:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 13:15:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:15:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:15:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 13:15:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:15:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 13:15:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 13:15:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 13:15:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 13:15:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 13:15:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 13:15:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 13:15:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 13:15:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-21 13:15:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:34,729 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2022-07-21 13:15:34,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:15:34,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693198044] [2022-07-21 13:15:34,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693198044] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:15:34,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:15:34,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:15:34,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117863225] [2022-07-21 13:15:34,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:15:34,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:15:34,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:15:34,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:15:34,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:15:34,740 INFO L87 Difference]: Start difference. First operand 2813 states and 3896 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-21 13:15:37,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:15:41,145 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:15:43,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:15:46,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:15:50,064 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:15:50,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:15:50,651 INFO L93 Difference]: Finished difference Result 7544 states and 10624 transitions. [2022-07-21 13:15:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 13:15:50,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 217 [2022-07-21 13:15:50,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:15:50,678 INFO L225 Difference]: With dead ends: 7544 [2022-07-21 13:15:50,678 INFO L226 Difference]: Without dead ends: 4752 [2022-07-21 13:15:50,689 INFO L412 NwaCegarLoop]: 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 [2022-07-21 13:15:50,690 INFO L413 NwaCegarLoop]: 2553 mSDtfsCounter, 3869 mSDsluCounter, 3163 mSDsCounter, 0 mSdLazyCounter, 3194 mSolverCounterSat, 2501 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4300 SdHoareTripleChecker+Valid, 5716 SdHoareTripleChecker+Invalid, 5699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2501 IncrementalHoareTripleChecker+Valid, 3194 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-07-21 13:15:50,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4300 Valid, 5716 Invalid, 5699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2501 Valid, 3194 Invalid, 4 Unknown, 0 Unchecked, 15.5s Time] [2022-07-21 13:15:50,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4752 states. [2022-07-21 13:15:50,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4752 to 4386. [2022-07-21 13:15:50,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4386 states, 3029 states have (on average 1.2700561241333774) internal successors, (3847), 3086 states have internal predecessors, (3847), 1103 states have call successors, (1103), 251 states have call predecessors, (1103), 253 states have return successors, (1148), 1085 states have call predecessors, (1148), 1103 states have call successors, (1148) [2022-07-21 13:15:50,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4386 states to 4386 states and 6098 transitions. [2022-07-21 13:15:50,845 INFO L78 Accepts]: Start accepts. Automaton has 4386 states and 6098 transitions. Word has length 217 [2022-07-21 13:15:50,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:15:50,847 INFO L495 AbstractCegarLoop]: Abstraction has 4386 states and 6098 transitions. [2022-07-21 13:15:50,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-21 13:15:50,848 INFO L276 IsEmpty]: Start isEmpty. Operand 4386 states and 6098 transitions. [2022-07-21 13:15:50,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-21 13:15:50,854 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:15:50,854 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:15:50,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 13:15:50,855 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:15:50,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:15:50,855 INFO L85 PathProgramCache]: Analyzing trace with hash 427672214, now seen corresponding path program 1 times [2022-07-21 13:15:50,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:15:50,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320827134] [2022-07-21 13:15:50,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:15:50,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:15:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:15:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:15:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:15:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:15:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:15:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:15:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:15:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:15:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 13:15:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 13:15:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 13:15:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 13:15:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 13:15:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 13:15:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:15:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 13:15:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-21 13:15:51,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-21 13:15:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-21 13:15:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 13:15:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:15:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 13:15:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:15:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 13:15:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:15:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 13:15:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:15:51,334 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-07-21 13:15:51,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:15:51,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320827134] [2022-07-21 13:15:51,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320827134] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:15:51,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:15:51,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:15:51,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351848290] [2022-07-21 13:15:51,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:15:51,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:15:51,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:15:51,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:15:51,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:15:51,338 INFO L87 Difference]: Start difference. First operand 4386 states and 6098 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-21 13:15:54,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:15:57,655 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:16:00,097 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:16:03,305 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:16:05,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:16:07,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:16:07,571 INFO L93 Difference]: Finished difference Result 10447 states and 14684 transitions. [2022-07-21 13:16:07,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 13:16:07,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 260 [2022-07-21 13:16:07,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:16:07,608 INFO L225 Difference]: With dead ends: 10447 [2022-07-21 13:16:07,609 INFO L226 Difference]: Without dead ends: 6082 [2022-07-21 13:16:07,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:16:07,632 INFO L413 NwaCegarLoop]: 3544 mSDtfsCounter, 2419 mSDsluCounter, 4109 mSDsCounter, 0 mSdLazyCounter, 3040 mSolverCounterSat, 1624 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2629 SdHoareTripleChecker+Valid, 7653 SdHoareTripleChecker+Invalid, 4668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1624 IncrementalHoareTripleChecker+Valid, 3040 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-07-21 13:16:07,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2629 Valid, 7653 Invalid, 4668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1624 Valid, 3040 Invalid, 4 Unknown, 0 Unchecked, 15.9s Time] [2022-07-21 13:16:07,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6082 states. [2022-07-21 13:16:07,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6082 to 5624. [2022-07-21 13:16:07,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5624 states, 3914 states have (on average 1.2680122636688809) internal successors, (4963), 3984 states have internal predecessors, (4963), 1381 states have call successors, (1381), 326 states have call predecessors, (1381), 328 states have return successors, (1426), 1359 states have call predecessors, (1426), 1381 states have call successors, (1426) [2022-07-21 13:16:07,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5624 states to 5624 states and 7770 transitions. [2022-07-21 13:16:07,924 INFO L78 Accepts]: Start accepts. Automaton has 5624 states and 7770 transitions. Word has length 260 [2022-07-21 13:16:07,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:16:07,925 INFO L495 AbstractCegarLoop]: Abstraction has 5624 states and 7770 transitions. [2022-07-21 13:16:07,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-21 13:16:07,926 INFO L276 IsEmpty]: Start isEmpty. Operand 5624 states and 7770 transitions. [2022-07-21 13:16:07,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2022-07-21 13:16:07,933 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:16:07,933 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:16:07,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 13:16:07,934 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:16:07,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:16:07,935 INFO L85 PathProgramCache]: Analyzing trace with hash 2119425409, now seen corresponding path program 1 times [2022-07-21 13:16:07,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:16:07,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252189401] [2022-07-21 13:16:07,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:16:07,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:16:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:16:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:16:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:16:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:16:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:16:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:16:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:16:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:16:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 13:16:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 13:16:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 13:16:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 13:16:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 13:16:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 13:16:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:16:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 13:16:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 13:16:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:16:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:16:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 13:16:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:16:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:16:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 13:16:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 13:16:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 13:16:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-21 13:16:08,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 13:16:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-21 13:16:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:16:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 13:16:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:16:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-21 13:16:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 13:16:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:08,363 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-07-21 13:16:08,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:16:08,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252189401] [2022-07-21 13:16:08,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252189401] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:16:08,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:16:08,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:16:08,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434982224] [2022-07-21 13:16:08,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:16:08,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:16:08,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:16:08,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:16:08,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:16:08,365 INFO L87 Difference]: Start difference. First operand 5624 states and 7770 transitions. Second operand has 5 states, 5 states have (on average 30.4) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-21 13:16:11,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:16:13,715 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:16:16,875 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:16:18,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:16:21,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:16:21,684 INFO L93 Difference]: Finished difference Result 12982 states and 18147 transitions. [2022-07-21 13:16:21,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 13:16:21,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 334 [2022-07-21 13:16:21,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:16:21,718 INFO L225 Difference]: With dead ends: 12982 [2022-07-21 13:16:21,719 INFO L226 Difference]: Without dead ends: 7379 [2022-07-21 13:16:21,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:16:21,740 INFO L413 NwaCegarLoop]: 3532 mSDtfsCounter, 2409 mSDsluCounter, 4100 mSDsCounter, 0 mSdLazyCounter, 3009 mSolverCounterSat, 1607 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2630 SdHoareTripleChecker+Valid, 7632 SdHoareTripleChecker+Invalid, 4619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1607 IncrementalHoareTripleChecker+Valid, 3009 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-07-21 13:16:21,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2630 Valid, 7632 Invalid, 4619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1607 Valid, 3009 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2022-07-21 13:16:21,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7379 states. [2022-07-21 13:16:21,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7379 to 6841. [2022-07-21 13:16:21,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6841 states, 4786 states have (on average 1.26744671959883) internal successors, (6066), 4869 states have internal predecessors, (6066), 1652 states have call successors, (1652), 400 states have call predecessors, (1652), 402 states have return successors, (1710), 1626 states have call predecessors, (1710), 1652 states have call successors, (1710) [2022-07-21 13:16:21,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6841 states to 6841 states and 9428 transitions. [2022-07-21 13:16:21,994 INFO L78 Accepts]: Start accepts. Automaton has 6841 states and 9428 transitions. Word has length 334 [2022-07-21 13:16:21,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:16:21,995 INFO L495 AbstractCegarLoop]: Abstraction has 6841 states and 9428 transitions. [2022-07-21 13:16:21,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-21 13:16:21,995 INFO L276 IsEmpty]: Start isEmpty. Operand 6841 states and 9428 transitions. [2022-07-21 13:16:22,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-07-21 13:16:22,000 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:16:22,001 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:16:22,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 13:16:22,001 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:16:22,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:16:22,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1548529047, now seen corresponding path program 1 times [2022-07-21 13:16:22,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:16:22,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053762537] [2022-07-21 13:16:22,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:16:22,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:16:22,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:16:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:16:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:16:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:16:22,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:16:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:16:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:16:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:16:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 13:16:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 13:16:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 13:16:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 13:16:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 13:16:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 13:16:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:16:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 13:16:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 13:16:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:16:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:16:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 13:16:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:16:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:16:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 13:16:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 13:16:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 13:16:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-21 13:16:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-21 13:16:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-21 13:16:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:16:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 13:16:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:16:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 13:16:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-21 13:16:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:22,376 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-07-21 13:16:22,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:16:22,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053762537] [2022-07-21 13:16:22,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053762537] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:16:22,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:16:22,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:16:22,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509941443] [2022-07-21 13:16:22,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:16:22,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:16:22,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:16:22,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:16:22,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:16:22,378 INFO L87 Difference]: Start difference. First operand 6841 states and 9428 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-21 13:16:25,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:16:27,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:16:29,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:16:32,814 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:16:35,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:16:39,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:16:39,293 INFO L93 Difference]: Finished difference Result 16593 states and 23152 transitions. [2022-07-21 13:16:39,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 13:16:39,316 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 331 [2022-07-21 13:16:39,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:16:39,354 INFO L225 Difference]: With dead ends: 16593 [2022-07-21 13:16:39,355 INFO L226 Difference]: Without dead ends: 9773 [2022-07-21 13:16:39,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:16:39,374 INFO L413 NwaCegarLoop]: 3614 mSDtfsCounter, 3031 mSDsluCounter, 3973 mSDsCounter, 0 mSdLazyCounter, 3083 mSolverCounterSat, 1786 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3313 SdHoareTripleChecker+Valid, 7587 SdHoareTripleChecker+Invalid, 4874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1786 IncrementalHoareTripleChecker+Valid, 3083 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-07-21 13:16:39,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3313 Valid, 7587 Invalid, 4874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1786 Valid, 3083 Invalid, 5 Unknown, 0 Unchecked, 16.5s Time] [2022-07-21 13:16:39,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9773 states. [2022-07-21 13:16:39,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9773 to 8972. [2022-07-21 13:16:39,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8972 states, 6266 states have (on average 1.2661985317586977) internal successors, (7934), 6370 states have internal predecessors, (7934), 2162 states have call successors, (2162), 540 states have call predecessors, (2162), 543 states have return successors, (2247), 2129 states have call predecessors, (2247), 2162 states have call successors, (2247) [2022-07-21 13:16:39,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8972 states to 8972 states and 12343 transitions. [2022-07-21 13:16:39,669 INFO L78 Accepts]: Start accepts. Automaton has 8972 states and 12343 transitions. Word has length 331 [2022-07-21 13:16:39,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:16:39,670 INFO L495 AbstractCegarLoop]: Abstraction has 8972 states and 12343 transitions. [2022-07-21 13:16:39,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-21 13:16:39,670 INFO L276 IsEmpty]: Start isEmpty. Operand 8972 states and 12343 transitions. [2022-07-21 13:16:39,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2022-07-21 13:16:39,677 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:16:39,677 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 13:16:39,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 13:16:39,678 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:16:39,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:16:39,678 INFO L85 PathProgramCache]: Analyzing trace with hash 515433475, now seen corresponding path program 1 times [2022-07-21 13:16:39,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:16:39,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585084909] [2022-07-21 13:16:39,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:16:39,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:16:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:16:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:39,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:16:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:16:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:16:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:16:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:16:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:16:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:16:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 13:16:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 13:16:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 13:16:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 13:16:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 13:16:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 13:16:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:16:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 13:16:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 13:16:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:16:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:16:39,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 13:16:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:16:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:16:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 13:16:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 13:16:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-21 13:16:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 13:16:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 13:16:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:16:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 13:16:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:39,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 13:16:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:40,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-21 13:16:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:40,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-21 13:16:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:40,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-21 13:16:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:40,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-21 13:16:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:40,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:40,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-21 13:16:40,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:40,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:40,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:16:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:40,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 13:16:40,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:40,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:16:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:40,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-21 13:16:40,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:40,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:40,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-21 13:16:40,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:40,088 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2022-07-21 13:16:40,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:16:40,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585084909] [2022-07-21 13:16:40,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585084909] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:16:40,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:16:40,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:16:40,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771018237] [2022-07-21 13:16:40,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:16:40,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:16:40,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:16:40,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:16:40,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:16:40,090 INFO L87 Difference]: Start difference. First operand 8972 states and 12343 transitions. Second operand has 5 states, 5 states have (on average 34.2) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-21 13:16:43,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:16:45,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:16:48,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:16:53,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:16:53,609 INFO L93 Difference]: Finished difference Result 20039 states and 27886 transitions. [2022-07-21 13:16:53,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 13:16:53,610 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 411 [2022-07-21 13:16:53,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:16:53,645 INFO L225 Difference]: With dead ends: 20039 [2022-07-21 13:16:53,646 INFO L226 Difference]: Without dead ends: 11088 [2022-07-21 13:16:53,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:16:53,669 INFO L413 NwaCegarLoop]: 3267 mSDtfsCounter, 2529 mSDsluCounter, 3802 mSDsCounter, 0 mSdLazyCounter, 2953 mSolverCounterSat, 1700 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2751 SdHoareTripleChecker+Valid, 7069 SdHoareTripleChecker+Invalid, 4656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1700 IncrementalHoareTripleChecker+Valid, 2953 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-07-21 13:16:53,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2751 Valid, 7069 Invalid, 4656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1700 Valid, 2953 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2022-07-21 13:16:53,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11088 states. [2022-07-21 13:16:53,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11088 to 10209. [2022-07-21 13:16:53,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10209 states, 7156 states have (on average 1.2659306875349357) internal successors, (9059), 7273 states have internal predecessors, (9059), 2435 states have call successors, (2435), 614 states have call predecessors, (2435), 617 states have return successors, (2533), 2398 states have call predecessors, (2533), 2435 states have call successors, (2533) [2022-07-21 13:16:53,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10209 states to 10209 states and 14027 transitions. [2022-07-21 13:16:53,998 INFO L78 Accepts]: Start accepts. Automaton has 10209 states and 14027 transitions. Word has length 411 [2022-07-21 13:16:53,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:16:53,998 INFO L495 AbstractCegarLoop]: Abstraction has 10209 states and 14027 transitions. [2022-07-21 13:16:53,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-21 13:16:53,999 INFO L276 IsEmpty]: Start isEmpty. Operand 10209 states and 14027 transitions. [2022-07-21 13:16:54,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2022-07-21 13:16:54,006 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:16:54,007 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-21 13:16:54,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 13:16:54,007 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:16:54,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:16:54,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1138715077, now seen corresponding path program 1 times [2022-07-21 13:16:54,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:16:54,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202106522] [2022-07-21 13:16:54,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:16:54,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:16:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:16:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:16:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:16:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:16:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:16:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:16:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:16:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:16:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 13:16:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 13:16:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 13:16:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 13:16:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 13:16:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 13:16:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:16:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 13:16:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 13:16:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:16:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:16:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 13:16:54,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:16:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:16:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 13:16:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 13:16:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-21 13:16:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 13:16:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 13:16:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:16:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 13:16:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 13:16:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-21 13:16:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-21 13:16:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-21 13:16:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-21 13:16:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-21 13:16:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:16:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 13:16:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:16:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-21 13:16:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:16:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-21 13:16:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:16:54,440 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2022-07-21 13:16:54,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:16:54,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202106522] [2022-07-21 13:16:54,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202106522] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:16:54,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:16:54,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:16:54,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126336979] [2022-07-21 13:16:54,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:16:54,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:16:54,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:16:54,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:16:54,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:16:54,442 INFO L87 Difference]: Start difference. First operand 10209 states and 14027 transitions. Second operand has 5 states, 5 states have (on average 34.2) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-21 13:16:57,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:17:00,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:17:02,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:17:07,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:17:07,494 INFO L93 Difference]: Finished difference Result 22573 states and 31376 transitions. [2022-07-21 13:17:07,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 13:17:07,495 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 411 [2022-07-21 13:17:07,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:17:07,542 INFO L225 Difference]: With dead ends: 22573 [2022-07-21 13:17:07,542 INFO L226 Difference]: Without dead ends: 12385 [2022-07-21 13:17:07,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:17:07,567 INFO L413 NwaCegarLoop]: 3515 mSDtfsCounter, 2410 mSDsluCounter, 4082 mSDsCounter, 0 mSdLazyCounter, 3012 mSolverCounterSat, 1611 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2632 SdHoareTripleChecker+Valid, 7597 SdHoareTripleChecker+Invalid, 4626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1611 IncrementalHoareTripleChecker+Valid, 3012 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-07-21 13:17:07,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2632 Valid, 7597 Invalid, 4626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1611 Valid, 3012 Invalid, 3 Unknown, 0 Unchecked, 12.6s Time] [2022-07-21 13:17:07,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12385 states. [2022-07-21 13:17:07,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12385 to 11419. [2022-07-21 13:17:07,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11419 states, 8024 states have (on average 1.2659521435692922) internal successors, (10158), 8154 states have internal predecessors, (10158), 2706 states have call successors, (2706), 685 states have call predecessors, (2706), 688 states have return successors, (2817), 2665 states have call predecessors, (2817), 2706 states have call successors, (2817) [2022-07-21 13:17:07,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11419 states to 11419 states and 15681 transitions. [2022-07-21 13:17:07,958 INFO L78 Accepts]: Start accepts. Automaton has 11419 states and 15681 transitions. Word has length 411 [2022-07-21 13:17:07,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:17:07,960 INFO L495 AbstractCegarLoop]: Abstraction has 11419 states and 15681 transitions. [2022-07-21 13:17:07,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-21 13:17:07,960 INFO L276 IsEmpty]: Start isEmpty. Operand 11419 states and 15681 transitions. [2022-07-21 13:17:07,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-07-21 13:17:07,969 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:17:07,969 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:17:07,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 13:17:07,969 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:17:07,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:17:07,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1205917150, now seen corresponding path program 1 times [2022-07-21 13:17:07,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:17:07,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574307756] [2022-07-21 13:17:07,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:17:07,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:17:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:17:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:17:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:17:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:17:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:17:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:17:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:17:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:17:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 13:17:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 13:17:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 13:17:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 13:17:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 13:17:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 13:17:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:17:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 13:17:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 13:17:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:17:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:17:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 13:17:08,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:17:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:17:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 13:17:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 13:17:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-21 13:17:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 13:17:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 13:17:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:17:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 13:17:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 13:17:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-21 13:17:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-21 13:17:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 13:17:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-21 13:17:08,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-21 13:17:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-21 13:17:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-21 13:17:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-21 13:17:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:17:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 13:17:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:17:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-21 13:17:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-21 13:17:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:08,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1137 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2022-07-21 13:17:08,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:17:08,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574307756] [2022-07-21 13:17:08,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574307756] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:17:08,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:17:08,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 13:17:08,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815094755] [2022-07-21 13:17:08,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:17:08,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 13:17:08,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:17:08,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 13:17:08,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:17:08,595 INFO L87 Difference]: Start difference. First operand 11419 states and 15681 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 4 states have internal predecessors, (181), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 13:17:12,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:17:14,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:17:16,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:17:19,118 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:17:21,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:17:28,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:17:28,524 INFO L93 Difference]: Finished difference Result 26123 states and 36315 transitions. [2022-07-21 13:17:28,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 13:17:28,525 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 4 states have internal predecessors, (181), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 455 [2022-07-21 13:17:28,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:17:28,579 INFO L225 Difference]: With dead ends: 26123 [2022-07-21 13:17:28,580 INFO L226 Difference]: Without dead ends: 14725 [2022-07-21 13:17:28,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-21 13:17:28,612 INFO L413 NwaCegarLoop]: 3527 mSDtfsCounter, 2791 mSDsluCounter, 8442 mSDsCounter, 0 mSdLazyCounter, 6507 mSolverCounterSat, 1784 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3052 SdHoareTripleChecker+Valid, 11969 SdHoareTripleChecker+Invalid, 8296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1784 IncrementalHoareTripleChecker+Valid, 6507 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2022-07-21 13:17:28,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3052 Valid, 11969 Invalid, 8296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1784 Valid, 6507 Invalid, 5 Unknown, 0 Unchecked, 19.4s Time] [2022-07-21 13:17:28,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14725 states. [2022-07-21 13:17:28,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14725 to 13586. [2022-07-21 13:17:29,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13586 states, 9511 states have (on average 1.264851224897487) internal successors, (12030), 9664 states have internal predecessors, (12030), 3241 states have call successors, (3241), 829 states have call predecessors, (3241), 833 states have return successors, (3388), 3194 states have call predecessors, (3388), 3241 states have call successors, (3388) [2022-07-21 13:17:29,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13586 states to 13586 states and 18659 transitions. [2022-07-21 13:17:29,059 INFO L78 Accepts]: Start accepts. Automaton has 13586 states and 18659 transitions. Word has length 455 [2022-07-21 13:17:29,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:17:29,061 INFO L495 AbstractCegarLoop]: Abstraction has 13586 states and 18659 transitions. [2022-07-21 13:17:29,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 4 states have internal predecessors, (181), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 13:17:29,062 INFO L276 IsEmpty]: Start isEmpty. Operand 13586 states and 18659 transitions. [2022-07-21 13:17:29,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-07-21 13:17:29,069 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:17:29,069 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:17:29,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 13:17:29,070 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:17:29,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:17:29,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1066983577, now seen corresponding path program 1 times [2022-07-21 13:17:29,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:17:29,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75556732] [2022-07-21 13:17:29,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:17:29,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:17:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:17:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:17:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:17:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:17:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:17:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:17:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:17:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:17:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 13:17:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 13:17:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 13:17:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 13:17:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 13:17:29,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 13:17:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:17:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 13:17:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 13:17:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:29,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:17:29,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:17:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 13:17:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:17:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:17:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 13:17:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 13:17:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-21 13:17:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 13:17:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 13:17:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:17:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 13:17:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 13:17:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-21 13:17:29,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-21 13:17:29,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 13:17:29,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 13:17:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-21 13:17:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-21 13:17:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-21 13:17:29,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-21 13:17:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:17:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 13:17:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:17:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-21 13:17:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-21 13:17:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:29,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2022-07-21 13:17:29,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:17:29,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75556732] [2022-07-21 13:17:29,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75556732] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:17:29,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:17:29,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 13:17:29,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979905980] [2022-07-21 13:17:29,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:17:29,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 13:17:29,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:17:29,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 13:17:29,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:17:29,553 INFO L87 Difference]: Start difference. First operand 13586 states and 18659 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 13:17:33,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:17:35,130 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:17:37,221 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:17:39,904 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:17:42,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:17:44,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:17:46,730 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:17:50,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:17:54,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:17:54,964 INFO L93 Difference]: Finished difference Result 30558 states and 42514 transitions. [2022-07-21 13:17:54,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 13:17:54,965 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 453 [2022-07-21 13:17:54,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:17:55,031 INFO L225 Difference]: With dead ends: 30558 [2022-07-21 13:17:55,032 INFO L226 Difference]: Without dead ends: 16993 [2022-07-21 13:17:55,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-21 13:17:55,078 INFO L413 NwaCegarLoop]: 3627 mSDtfsCounter, 2578 mSDsluCounter, 8548 mSDsCounter, 0 mSdLazyCounter, 6714 mSolverCounterSat, 1695 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2841 SdHoareTripleChecker+Valid, 12175 SdHoareTripleChecker+Invalid, 8417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1695 IncrementalHoareTripleChecker+Valid, 6714 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2022-07-21 13:17:55,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2841 Valid, 12175 Invalid, 8417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1695 Valid, 6714 Invalid, 8 Unknown, 0 Unchecked, 24.7s Time] [2022-07-21 13:17:55,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16993 states. [2022-07-21 13:17:55,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16993 to 15674. [2022-07-21 13:17:55,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15674 states, 10961 states have (on average 1.265121795456619) internal successors, (13867), 11133 states have internal predecessors, (13867), 3745 states have call successors, (3745), 961 states have call predecessors, (3745), 967 states have return successors, (3928), 3695 states have call predecessors, (3928), 3745 states have call successors, (3928) [2022-07-21 13:17:55,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15674 states to 15674 states and 21540 transitions. [2022-07-21 13:17:55,640 INFO L78 Accepts]: Start accepts. Automaton has 15674 states and 21540 transitions. Word has length 453 [2022-07-21 13:17:55,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:17:55,640 INFO L495 AbstractCegarLoop]: Abstraction has 15674 states and 21540 transitions. [2022-07-21 13:17:55,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 13:17:55,641 INFO L276 IsEmpty]: Start isEmpty. Operand 15674 states and 21540 transitions. [2022-07-21 13:17:55,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2022-07-21 13:17:55,648 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:17:55,648 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:17:55,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 13:17:55,649 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:17:55,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:17:55,649 INFO L85 PathProgramCache]: Analyzing trace with hash 492399477, now seen corresponding path program 1 times [2022-07-21 13:17:55,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:17:55,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61770638] [2022-07-21 13:17:55,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:17:55,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:17:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:17:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:17:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:17:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:17:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:17:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:17:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:17:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:17:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 13:17:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 13:17:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 13:17:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 13:17:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 13:17:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 13:17:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:17:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 13:17:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 13:17:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:17:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:17:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 13:17:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:17:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:17:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 13:17:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 13:17:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-21 13:17:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 13:17:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 13:17:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:17:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 13:17:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 13:17:55,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-21 13:17:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-21 13:17:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 13:17:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-21 13:17:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-21 13:17:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-21 13:17:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-21 13:17:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:55,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-21 13:17:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:56,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:56,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:17:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:56,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 13:17:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:56,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:17:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:56,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-21 13:17:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:56,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:17:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:56,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-21 13:17:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:17:56,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2022-07-21 13:17:56,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:17:56,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61770638] [2022-07-21 13:17:56,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61770638] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:17:56,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:17:56,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 13:17:56,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105601467] [2022-07-21 13:17:56,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:17:56,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 13:17:56,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:17:56,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 13:17:56,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:17:56,045 INFO L87 Difference]: Start difference. First operand 15674 states and 21540 transitions. Second operand has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 13:17:59,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:18:02,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:18:07,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:18:09,297 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:18:11,870 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:18:13,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:18:16,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:18:19,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:18:19,022 INFO L93 Difference]: Finished difference Result 33953 states and 47215 transitions. [2022-07-21 13:18:19,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 13:18:19,023 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 454 [2022-07-21 13:18:19,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:18:19,078 INFO L225 Difference]: With dead ends: 33953 [2022-07-21 13:18:19,079 INFO L226 Difference]: Without dead ends: 18300 [2022-07-21 13:18:19,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-21 13:18:19,113 INFO L413 NwaCegarLoop]: 3550 mSDtfsCounter, 2410 mSDsluCounter, 8519 mSDsCounter, 0 mSdLazyCounter, 6569 mSolverCounterSat, 1602 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2619 SdHoareTripleChecker+Valid, 12069 SdHoareTripleChecker+Invalid, 8178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1602 IncrementalHoareTripleChecker+Valid, 6569 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:18:19,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2619 Valid, 12069 Invalid, 8178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1602 Valid, 6569 Invalid, 7 Unknown, 0 Unchecked, 22.3s Time] [2022-07-21 13:18:19,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18300 states. [2022-07-21 13:18:19,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18300 to 16885. [2022-07-21 13:18:19,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16885 states, 11828 states have (on average 1.2652181264795401) internal successors, (14965), 12013 states have internal predecessors, (14965), 4017 states have call successors, (4017), 1033 states have call predecessors, (4017), 1039 states have return successors, (4200), 3963 states have call predecessors, (4200), 4017 states have call successors, (4200) [2022-07-21 13:18:19,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16885 states to 16885 states and 23182 transitions. [2022-07-21 13:18:19,694 INFO L78 Accepts]: Start accepts. Automaton has 16885 states and 23182 transitions. Word has length 454 [2022-07-21 13:18:19,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:18:19,695 INFO L495 AbstractCegarLoop]: Abstraction has 16885 states and 23182 transitions. [2022-07-21 13:18:19,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 13:18:19,695 INFO L276 IsEmpty]: Start isEmpty. Operand 16885 states and 23182 transitions. [2022-07-21 13:18:19,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-21 13:18:19,719 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:18:19,719 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:18:19,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 13:18:19,720 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:18:19,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:18:19,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1821192890, now seen corresponding path program 1 times [2022-07-21 13:18:19,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:18:19,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720938921] [2022-07-21 13:18:19,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:18:19,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:18:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:19,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:18:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:19,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:19,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:18:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:19,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:19,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:18:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:19,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:19,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:18:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:19,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:19,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:18:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:19,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:18:20,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:18:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:18:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 13:18:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 13:18:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 13:18:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 13:18:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 13:18:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 13:18:20,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:18:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 13:18:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 13:18:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:18:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:18:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 13:18:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:18:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:18:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 13:18:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 13:18:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-21 13:18:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 13:18:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 13:18:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:18:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 13:18:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 13:18:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-21 13:18:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-21 13:18:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 13:18:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-21 13:18:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-21 13:18:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-21 13:18:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-21 13:18:20,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-21 13:18:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-21 13:18:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:18:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 13:18:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:18:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-21 13:18:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-21 13:18:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2022-07-21 13:18:20,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:18:20,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720938921] [2022-07-21 13:18:20,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720938921] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:18:20,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:18:20,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:18:20,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162125969] [2022-07-21 13:18:20,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:18:20,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:18:20,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:18:20,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:18:20,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:18:20,399 INFO L87 Difference]: Start difference. First operand 16885 states and 23182 transitions. Second operand has 5 states, 5 states have (on average 37.0) internal successors, (185), 3 states have internal predecessors, (185), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 13:18:23,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:18:25,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:18:28,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:18:30,357 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:18:35,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:18:35,657 INFO L93 Difference]: Finished difference Result 37044 states and 51452 transitions. [2022-07-21 13:18:35,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 13:18:35,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 3 states have internal predecessors, (185), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 472 [2022-07-21 13:18:35,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:18:35,725 INFO L225 Difference]: With dead ends: 37044 [2022-07-21 13:18:35,726 INFO L226 Difference]: Without dead ends: 20180 [2022-07-21 13:18:35,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:18:35,767 INFO L413 NwaCegarLoop]: 3717 mSDtfsCounter, 2567 mSDsluCounter, 4222 mSDsCounter, 0 mSdLazyCounter, 3111 mSolverCounterSat, 1686 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2810 SdHoareTripleChecker+Valid, 7939 SdHoareTripleChecker+Invalid, 4801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1686 IncrementalHoareTripleChecker+Valid, 3111 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-07-21 13:18:35,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2810 Valid, 7939 Invalid, 4801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1686 Valid, 3111 Invalid, 4 Unknown, 0 Unchecked, 14.6s Time] [2022-07-21 13:18:35,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20180 states. [2022-07-21 13:18:36,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20180 to 18656. [2022-07-21 13:18:36,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18656 states, 13054 states have (on average 1.2647464378734488) internal successors, (16510), 13263 states have internal predecessors, (16510), 4443 states have call successors, (4443), 1151 states have call predecessors, (4443), 1158 states have return successors, (4650), 4382 states have call predecessors, (4650), 4443 states have call successors, (4650) [2022-07-21 13:18:36,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18656 states to 18656 states and 25603 transitions. [2022-07-21 13:18:36,416 INFO L78 Accepts]: Start accepts. Automaton has 18656 states and 25603 transitions. Word has length 472 [2022-07-21 13:18:36,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:18:36,417 INFO L495 AbstractCegarLoop]: Abstraction has 18656 states and 25603 transitions. [2022-07-21 13:18:36,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.0) internal successors, (185), 3 states have internal predecessors, (185), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-21 13:18:36,417 INFO L276 IsEmpty]: Start isEmpty. Operand 18656 states and 25603 transitions. [2022-07-21 13:18:36,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2022-07-21 13:18:36,426 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:18:36,427 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:18:36,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 13:18:36,427 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:18:36,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:18:36,428 INFO L85 PathProgramCache]: Analyzing trace with hash 908815197, now seen corresponding path program 1 times [2022-07-21 13:18:36,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:18:36,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590573161] [2022-07-21 13:18:36,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:18:36,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:18:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:18:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:18:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:18:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:18:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:18:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:18:36,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:18:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:18:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 13:18:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 13:18:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 13:18:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 13:18:36,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 13:18:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 13:18:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:18:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 13:18:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 13:18:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:18:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:18:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 13:18:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:18:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:18:36,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 13:18:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 13:18:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-21 13:18:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 13:18:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 13:18:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:18:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 13:18:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 13:18:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-21 13:18:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-21 13:18:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 13:18:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-21 13:18:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-21 13:18:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-21 13:18:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:18:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:18:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 13:18:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:18:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 13:18:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 13:18:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 13:18:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 13:18:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 13:18:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-21 13:18:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 13:18:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-21 13:18:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-21 13:18:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:36,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2022-07-21 13:18:36,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:18:36,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590573161] [2022-07-21 13:18:36,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590573161] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:18:36,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:18:36,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 13:18:36,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872887285] [2022-07-21 13:18:36,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:18:36,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 13:18:36,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:18:36,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 13:18:36,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-21 13:18:36,995 INFO L87 Difference]: Start difference. First operand 18656 states and 25603 transitions. Second operand has 9 states, 8 states have (on average 20.5) internal successors, (164), 5 states have internal predecessors, (164), 4 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 5 states have call predecessors, (48), 4 states have call successors, (48) [2022-07-21 13:18:40,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:18:42,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:18:45,121 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:18:47,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:18:50,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:18:52,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:18:52,582 INFO L93 Difference]: Finished difference Result 39479 states and 55394 transitions. [2022-07-21 13:18:52,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 13:18:52,584 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 20.5) internal successors, (164), 5 states have internal predecessors, (164), 4 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 5 states have call predecessors, (48), 4 states have call successors, (48) Word has length 466 [2022-07-21 13:18:52,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:18:52,663 INFO L225 Difference]: With dead ends: 39479 [2022-07-21 13:18:52,664 INFO L226 Difference]: Without dead ends: 20844 [2022-07-21 13:18:52,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-07-21 13:18:52,705 INFO L413 NwaCegarLoop]: 2215 mSDtfsCounter, 1806 mSDsluCounter, 5751 mSDsCounter, 0 mSdLazyCounter, 4611 mSolverCounterSat, 1817 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1941 SdHoareTripleChecker+Valid, 7966 SdHoareTripleChecker+Invalid, 6432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1817 IncrementalHoareTripleChecker+Valid, 4611 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-07-21 13:18:52,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1941 Valid, 7966 Invalid, 6432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1817 Valid, 4611 Invalid, 4 Unknown, 0 Unchecked, 14.7s Time] [2022-07-21 13:18:52,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20844 states. [2022-07-21 13:18:53,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20844 to 18992. [2022-07-21 13:18:53,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18992 states, 13214 states have (on average 1.2651733010443469) internal successors, (16718), 13423 states have internal predecessors, (16718), 4619 states have call successors, (4619), 1151 states have call predecessors, (4619), 1158 states have return successors, (4826), 4558 states have call predecessors, (4826), 4619 states have call successors, (4826) [2022-07-21 13:18:53,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18992 states to 18992 states and 26163 transitions. [2022-07-21 13:18:53,330 INFO L78 Accepts]: Start accepts. Automaton has 18992 states and 26163 transitions. Word has length 466 [2022-07-21 13:18:53,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:18:53,331 INFO L495 AbstractCegarLoop]: Abstraction has 18992 states and 26163 transitions. [2022-07-21 13:18:53,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 20.5) internal successors, (164), 5 states have internal predecessors, (164), 4 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 5 states have call predecessors, (48), 4 states have call successors, (48) [2022-07-21 13:18:53,331 INFO L276 IsEmpty]: Start isEmpty. Operand 18992 states and 26163 transitions. [2022-07-21 13:18:53,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2022-07-21 13:18:53,339 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:18:53,339 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:18:53,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 13:18:53,340 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:18:53,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:18:53,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1509088869, now seen corresponding path program 1 times [2022-07-21 13:18:53,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:18:53,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217083194] [2022-07-21 13:18:53,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:18:53,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:18:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:18:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:18:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:18:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:18:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:53,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:18:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:18:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:18:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:18:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 13:18:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 13:18:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 13:18:53,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 13:18:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 13:18:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 13:18:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:18:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 13:18:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 13:18:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:18:53,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:18:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 13:18:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:18:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:18:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 13:18:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 13:18:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-21 13:18:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 13:18:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 13:18:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:18:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 13:18:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 13:18:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-21 13:18:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-21 13:18:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 13:18:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-21 13:18:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-21 13:18:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-21 13:18:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:18:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:18:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 13:18:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:18:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 13:18:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 13:18:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 13:18:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 13:18:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 13:18:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-21 13:18:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 13:18:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-21 13:18:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:18:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-21 13:18:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:18:53,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2022-07-21 13:18:53,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:18:53,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217083194] [2022-07-21 13:18:53,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217083194] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:18:53,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:18:53,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 13:18:53,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354199950] [2022-07-21 13:18:53,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:18:53,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 13:18:53,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:18:53,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 13:18:53,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 13:18:53,685 INFO L87 Difference]: Start difference. First operand 18992 states and 26163 transitions. Second operand has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-21 13:18:56,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:18:59,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:19:01,590 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:19:05,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:19:05,023 INFO L93 Difference]: Finished difference Result 39671 states and 55532 transitions. [2022-07-21 13:19:05,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 13:19:05,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 466 [2022-07-21 13:19:05,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:19:05,101 INFO L225 Difference]: With dead ends: 39671 [2022-07-21 13:19:05,102 INFO L226 Difference]: Without dead ends: 20700 [2022-07-21 13:19:05,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:19:05,146 INFO L413 NwaCegarLoop]: 2215 mSDtfsCounter, 1757 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 2325 mSolverCounterSat, 1750 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1894 SdHoareTripleChecker+Valid, 5292 SdHoareTripleChecker+Invalid, 4078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1750 IncrementalHoareTripleChecker+Valid, 2325 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-07-21 13:19:05,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1894 Valid, 5292 Invalid, 4078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1750 Valid, 2325 Invalid, 3 Unknown, 0 Unchecked, 10.6s Time] [2022-07-21 13:19:05,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20700 states. [2022-07-21 13:19:05,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20700 to 18976. [2022-07-21 13:19:05,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18976 states, 13214 states have (on average 1.2651733010443469) internal successors, (16718), 13407 states have internal predecessors, (16718), 4603 states have call successors, (4603), 1151 states have call predecessors, (4603), 1158 states have return successors, (4810), 4542 states have call predecessors, (4810), 4603 states have call successors, (4810) [2022-07-21 13:19:05,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18976 states to 18976 states and 26131 transitions. [2022-07-21 13:19:05,796 INFO L78 Accepts]: Start accepts. Automaton has 18976 states and 26131 transitions. Word has length 466 [2022-07-21 13:19:05,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:19:05,797 INFO L495 AbstractCegarLoop]: Abstraction has 18976 states and 26131 transitions. [2022-07-21 13:19:05,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-21 13:19:05,797 INFO L276 IsEmpty]: Start isEmpty. Operand 18976 states and 26131 transitions. [2022-07-21 13:19:05,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2022-07-21 13:19:05,805 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:19:05,805 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:19:05,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-21 13:19:05,806 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 13:19:05,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:19:05,806 INFO L85 PathProgramCache]: Analyzing trace with hash 27982104, now seen corresponding path program 1 times [2022-07-21 13:19:05,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 13:19:05,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604117251] [2022-07-21 13:19:05,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:19:05,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 13:19:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 13:19:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:19:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:19:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:19:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 13:19:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:19:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 13:19:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:19:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 13:19:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:19:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 13:19:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:19:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 13:19:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:19:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 13:19:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:19:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 13:19:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-21 13:19:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 13:19:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:05,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 13:19:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-21 13:19:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-21 13:19:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:19:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 13:19:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 13:19:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-21 13:19:06,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:19:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:19:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:19:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 13:19:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:19:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:19:06,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 13:19:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 13:19:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-21 13:19:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-21 13:19:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 13:19:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:19:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-21 13:19:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-21 13:19:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 13:19:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:19:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 13:19:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-21 13:19:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-21 13:19:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 13:19:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:19:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-21 13:19:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-21 13:19:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-21 13:19:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 13:19:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 13:19:06,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 13:19:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 13:19:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 13:19:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 13:19:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 13:19:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 13:19:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 13:19:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-21 13:19:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-21 13:19:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-21 13:19:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 13:19:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-21 13:19:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:19:06,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2022-07-21 13:19:06,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 13:19:06,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604117251] [2022-07-21 13:19:06,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604117251] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:19:06,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:19:06,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 13:19:06,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342644917] [2022-07-21 13:19:06,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:19:06,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 13:19:06,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 13:19:06,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 13:19:06,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:19:06,184 INFO L87 Difference]: Start difference. First operand 18976 states and 26131 transitions. Second operand has 7 states, 7 states have (on average 23.142857142857142) internal successors, (162), 4 states have internal predecessors, (162), 3 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-07-21 13:19:09,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:19:11,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 13:19:14,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:19:16,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 13:19:20,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:19:20,337 INFO L93 Difference]: Finished difference Result 39703 states and 55431 transitions. [2022-07-21 13:19:20,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 13:19:20,342 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.142857142857142) internal successors, (162), 4 states have internal predecessors, (162), 3 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 466 [2022-07-21 13:19:20,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:19:20,433 INFO L225 Difference]: With dead ends: 39703 [2022-07-21 13:19:20,433 INFO L226 Difference]: Without dead ends: 20748 [2022-07-21 13:19:20,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:19:20,495 INFO L413 NwaCegarLoop]: 2186 mSDtfsCounter, 1278 mSDsluCounter, 4397 mSDsCounter, 0 mSdLazyCounter, 3502 mSolverCounterSat, 1195 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1400 SdHoareTripleChecker+Valid, 6583 SdHoareTripleChecker+Invalid, 4701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1195 IncrementalHoareTripleChecker+Valid, 3502 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-07-21 13:19:20,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1400 Valid, 6583 Invalid, 4701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1195 Valid, 3502 Invalid, 4 Unknown, 0 Unchecked, 13.4s Time] [2022-07-21 13:19:20,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20748 states.