./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.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_linux-alloc-spinlock_drivers-net-irda-via-ircc.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 11d3d0800a0e0d53b4d0190c9a443eccbd843952940cf36579a7110b5d32d86b --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:12:57,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:12:57,844 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:12:57,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:12:57,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:12:57,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:12:57,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:12:57,894 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:12:57,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:12:57,900 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:12:57,901 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:12:57,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:12:57,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:12:57,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:12:57,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:12:57,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:12:57,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:12:57,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:12:57,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:12:57,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:12:57,918 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:12:57,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:12:57,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:12:57,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:12:57,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:12:57,926 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:12:57,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:12:57,927 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:12:57,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:12:57,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:12:57,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:12:57,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:12:57,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:12:57,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:12:57,931 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:12:57,932 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:12:57,932 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:12:57,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:12:57,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:12:57,933 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:12:57,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:12:57,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:12:57,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:12:57,967 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:12:57,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:12:57,967 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:12:57,968 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:12:57,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:12:57,968 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:12:57,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:12:57,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:12:57,969 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:12:57,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:12:57,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:12:57,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:12:57,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:12:57,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:12:57,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:12:57,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:12:57,971 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:12:57,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:12:57,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:12:57,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:12:57,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:12:57,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:12:57,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:12:57,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:12:57,972 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:12:57,972 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:12:57,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:12:57,973 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:12:57,973 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:12:57,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:12:57,973 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11d3d0800a0e0d53b4d0190c9a443eccbd843952940cf36579a7110b5d32d86b [2022-07-21 14:12:58,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:12:58,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:12:58,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:12:58,274 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:12:58,274 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:12:58,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2022-07-21 14:12:58,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cd6b3c7b/93c2572023044e10aa5b586810b0f787/FLAG563325002 [2022-07-21 14:12:58,928 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:12:58,928 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2022-07-21 14:12:58,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cd6b3c7b/93c2572023044e10aa5b586810b0f787/FLAG563325002 [2022-07-21 14:12:59,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cd6b3c7b/93c2572023044e10aa5b586810b0f787 [2022-07-21 14:12:59,352 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:12:59,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:12:59,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:12:59,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:12:59,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:12:59,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:12:59" (1/1) ... [2022-07-21 14:12:59,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@450763be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:12:59, skipping insertion in model container [2022-07-21 14:12:59,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:12:59" (1/1) ... [2022-07-21 14:12:59,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:12:59,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:13:01,234 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323389,323402] [2022-07-21 14:13:01,239 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323534,323547] [2022-07-21 14:13:01,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:13:01,290 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:13:01,541 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323389,323402] [2022-07-21 14:13:01,542 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323534,323547] [2022-07-21 14:13:01,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:13:01,654 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:13:01,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:13:01 WrapperNode [2022-07-21 14:13:01,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:13:01,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:13:01,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:13:01,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:13:01,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:13:01" (1/1) ... [2022-07-21 14:13:01,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:13:01" (1/1) ... [2022-07-21 14:13:01,919 INFO L137 Inliner]: procedures = 379, calls = 2098, calls flagged for inlining = 146, calls inlined = 127, statements flattened = 4220 [2022-07-21 14:13:01,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:13:01,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:13:01,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:13:01,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:13:01,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:13:01" (1/1) ... [2022-07-21 14:13:01,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:13:01" (1/1) ... [2022-07-21 14:13:01,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:13:01" (1/1) ... [2022-07-21 14:13:01,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:13:01" (1/1) ... [2022-07-21 14:13:02,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:13:01" (1/1) ... [2022-07-21 14:13:02,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:13:01" (1/1) ... [2022-07-21 14:13:02,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:13:01" (1/1) ... [2022-07-21 14:13:02,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:13:02,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:13:02,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:13:02,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:13:02,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:13:01" (1/1) ... [2022-07-21 14:13:02,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:13:02,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:13:02,129 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 14:13:02,141 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 14:13:02,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-07-21 14:13:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-07-21 14:13:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2022-07-21 14:13:02,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2022-07-21 14:13:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:13:02,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:13:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:13:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:13:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:13:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:13:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2022-07-21 14:13:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2022-07-21 14:13:02,156 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2022-07-21 14:13:02,156 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2022-07-21 14:13:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2022-07-21 14:13:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2022-07-21 14:13:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 14:13:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 14:13:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:13:02,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:13:02,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-21 14:13:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-21 14:13:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2022-07-21 14:13:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2022-07-21 14:13:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 14:13:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 14:13:02,158 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2022-07-21 14:13:02,158 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2022-07-21 14:13:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2022-07-21 14:13:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2022-07-21 14:13:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2022-07-21 14:13:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2022-07-21 14:13:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2022-07-21 14:13:02,159 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2022-07-21 14:13:02,159 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 14:13:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 14:13:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2022-07-21 14:13:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2022-07-21 14:13:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-07-21 14:13:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-07-21 14:13:02,160 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2022-07-21 14:13:02,160 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2022-07-21 14:13:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 14:13:02,161 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 14:13:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:13:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:13:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:13:02,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:13:02,161 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2022-07-21 14:13:02,162 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2022-07-21 14:13:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2022-07-21 14:13:02,162 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2022-07-21 14:13:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-21 14:13:02,162 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-21 14:13:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:13:02,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:13:02,162 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2022-07-21 14:13:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2022-07-21 14:13:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:13:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:13:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2022-07-21 14:13:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2022-07-21 14:13:02,163 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2022-07-21 14:13:02,163 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2022-07-21 14:13:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-21 14:13:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-21 14:13:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-21 14:13:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-07-21 14:13:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-21 14:13:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-21 14:13:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2022-07-21 14:13:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2022-07-21 14:13:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 14:13:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 14:13:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-07-21 14:13:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-07-21 14:13:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 14:13:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 14:13:02,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:13:02,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:13:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-21 14:13:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-21 14:13:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2022-07-21 14:13:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2022-07-21 14:13:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2022-07-21 14:13:02,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2022-07-21 14:13:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 14:13:02,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 14:13:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 14:13:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2022-07-21 14:13:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2022-07-21 14:13:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_via_ircc_cb [2022-07-21 14:13:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_via_ircc_cb [2022-07-21 14:13:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2022-07-21 14:13:02,167 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2022-07-21 14:13:02,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 14:13:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:13:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:13:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2022-07-21 14:13:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2022-07-21 14:13:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-21 14:13:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-21 14:13:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2022-07-21 14:13:02,168 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2022-07-21 14:13:02,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 14:13:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 14:13:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 14:13:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 14:13:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 14:13:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 14:13:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 14:13:02,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:13:02,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:13:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2022-07-21 14:13:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2022-07-21 14:13:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 14:13:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 14:13:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:13:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:13:02,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 14:13:02,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 14:13:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2022-07-21 14:13:02,171 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2022-07-21 14:13:02,171 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-07-21 14:13:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-07-21 14:13:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 14:13:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-21 14:13:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-21 14:13:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2022-07-21 14:13:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2022-07-21 14:13:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-21 14:13:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-21 14:13:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:13:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:13:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2022-07-21 14:13:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2022-07-21 14:13:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2022-07-21 14:13:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2022-07-21 14:13:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2022-07-21 14:13:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2022-07-21 14:13:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:13:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2022-07-21 14:13:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2022-07-21 14:13:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2022-07-21 14:13:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2022-07-21 14:13:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:13:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:13:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:13:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 14:13:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 14:13:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:13:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:13:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:13:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 14:13:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 14:13:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2022-07-21 14:13:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2022-07-21 14:13:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2022-07-21 14:13:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2022-07-21 14:13:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-21 14:13:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-21 14:13:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-21 14:13:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-21 14:13:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2022-07-21 14:13:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2022-07-21 14:13:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:13:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:13:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2022-07-21 14:13:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2022-07-21 14:13:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2022-07-21 14:13:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2022-07-21 14:13:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-21 14:13:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-21 14:13:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 14:13:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 14:13:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2022-07-21 14:13:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2022-07-21 14:13:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2022-07-21 14:13:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2022-07-21 14:13:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-21 14:13:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-21 14:13:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 14:13:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 14:13:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2022-07-21 14:13:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2022-07-21 14:13:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-07-21 14:13:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-07-21 14:13:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 14:13:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-07-21 14:13:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-07-21 14:13:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2022-07-21 14:13:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2022-07-21 14:13:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:13:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:13:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2022-07-21 14:13:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2022-07-21 14:13:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:13:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:13:02,760 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:13:02,762 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:13:02,954 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:13:05,861 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:13:05,883 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:13:05,883 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 14:13:05,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:13:05 BoogieIcfgContainer [2022-07-21 14:13:05,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:13:05,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:13:05,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:13:05,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:13:05,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:12:59" (1/3) ... [2022-07-21 14:13:05,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d69d7a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:13:05, skipping insertion in model container [2022-07-21 14:13:05,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:13:01" (2/3) ... [2022-07-21 14:13:05,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d69d7a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:13:05, skipping insertion in model container [2022-07-21 14:13:05,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:13:05" (3/3) ... [2022-07-21 14:13:05,893 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2022-07-21 14:13:05,905 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:13:05,905 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 14:13:06,020 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:13:06,025 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@47cd03b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@357e2b55 [2022-07-21 14:13:06,025 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 14:13:06,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 1890 states, 1157 states have (on average 1.2947277441659464) internal successors, (1498), 1188 states have internal predecessors, (1498), 641 states have call successors, (641), 91 states have call predecessors, (641), 90 states have return successors, (638), 626 states have call predecessors, (638), 638 states have call successors, (638) [2022-07-21 14:13:06,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-07-21 14:13:06,061 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:06,062 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-07-21 14:13:06,063 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:06,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:06,067 INFO L85 PathProgramCache]: Analyzing trace with hash 792279208, now seen corresponding path program 1 times [2022-07-21 14:13:06,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:13:06,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984710434] [2022-07-21 14:13:06,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:06,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:13:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:13:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:13:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 14:13:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 14:13:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 14:13:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 14:13:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 14:13:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:13:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 14:13:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:13:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 14:13:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:13:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 14:13:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 14:13:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-21 14:13:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:06,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:13:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 14:13:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:13:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:13:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:13:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 14:13:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 14:13:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:06,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 14:13:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:06,949 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-21 14:13:06,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:13:06,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984710434] [2022-07-21 14:13:06,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984710434] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:06,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:06,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 14:13:06,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087034316] [2022-07-21 14:13:06,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:06,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 14:13:06,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:13:06,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 14:13:06,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 14:13:06,986 INFO L87 Difference]: Start difference. First operand has 1890 states, 1157 states have (on average 1.2947277441659464) internal successors, (1498), 1188 states have internal predecessors, (1498), 641 states have call successors, (641), 91 states have call predecessors, (641), 90 states have return successors, (638), 626 states have call predecessors, (638), 638 states have call successors, (638) Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 3 states have internal predecessors, (109), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:13:13,905 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:13:21,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:21,866 INFO L93 Difference]: Finished difference Result 6103 states and 9246 transitions. [2022-07-21 14:13:21,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 14:13:21,869 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 3 states have internal predecessors, (109), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) Word has length 301 [2022-07-21 14:13:21,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:21,921 INFO L225 Difference]: With dead ends: 6103 [2022-07-21 14:13:21,921 INFO L226 Difference]: Without dead ends: 4135 [2022-07-21 14:13:21,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-07-21 14:13:21,947 INFO L413 NwaCegarLoop]: 2689 mSDtfsCounter, 6468 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 5556 mSolverCounterSat, 7469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6803 SdHoareTripleChecker+Valid, 5401 SdHoareTripleChecker+Invalid, 13025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7469 IncrementalHoareTripleChecker+Valid, 5556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:21,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6803 Valid, 5401 Invalid, 13025 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7469 Valid, 5556 Invalid, 0 Unknown, 0 Unchecked, 14.0s Time] [2022-07-21 14:13:21,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4135 states. [2022-07-21 14:13:22,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4135 to 3641. [2022-07-21 14:13:22,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.2427227944469323) internal successors, (2775), 2291 states have internal predecessors, (2775), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1255), 1205 states have call predecessors, (1255), 1229 states have call successors, (1255) [2022-07-21 14:13:22,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5259 transitions. [2022-07-21 14:13:22,326 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5259 transitions. Word has length 301 [2022-07-21 14:13:22,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:22,329 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5259 transitions. [2022-07-21 14:13:22,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 3 states have internal predecessors, (109), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:13:22,330 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5259 transitions. [2022-07-21 14:13:22,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-07-21 14:13:22,354 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:22,354 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-07-21 14:13:22,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 14:13:22,355 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:22,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:22,355 INFO L85 PathProgramCache]: Analyzing trace with hash 400395364, now seen corresponding path program 1 times [2022-07-21 14:13:22,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:13:22,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814209850] [2022-07-21 14:13:22,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:22,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:13:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:13:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:13:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 14:13:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 14:13:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 14:13:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 14:13:22,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 14:13:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:13:22,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 14:13:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:13:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 14:13:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:13:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 14:13:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 14:13:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-21 14:13:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:13:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 14:13:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:13:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:13:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:13:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 14:13:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 14:13:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 14:13:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:22,822 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-21 14:13:22,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:13:22,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814209850] [2022-07-21 14:13:22,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814209850] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:22,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:22,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 14:13:22,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605570080] [2022-07-21 14:13:22,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:22,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 14:13:22,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:13:22,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 14:13:22,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 14:13:22,826 INFO L87 Difference]: Start difference. First operand 3641 states and 5259 transitions. Second operand has 6 states, 5 states have (on average 21.8) internal successors, (109), 3 states have internal predecessors, (109), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:13:31,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:13:38,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:38,509 INFO L93 Difference]: Finished difference Result 5949 states and 8601 transitions. [2022-07-21 14:13:38,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 14:13:38,510 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 3 states have internal predecessors, (109), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) Word has length 301 [2022-07-21 14:13:38,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:38,532 INFO L225 Difference]: With dead ends: 5949 [2022-07-21 14:13:38,532 INFO L226 Difference]: Without dead ends: 4135 [2022-07-21 14:13:38,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2022-07-21 14:13:38,542 INFO L413 NwaCegarLoop]: 3952 mSDtfsCounter, 4504 mSDsluCounter, 3680 mSDsCounter, 0 mSdLazyCounter, 5772 mSolverCounterSat, 5657 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4827 SdHoareTripleChecker+Valid, 7632 SdHoareTripleChecker+Invalid, 11429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5657 IncrementalHoareTripleChecker+Valid, 5772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:38,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4827 Valid, 7632 Invalid, 11429 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5657 Valid, 5772 Invalid, 0 Unknown, 0 Unchecked, 15.0s Time] [2022-07-21 14:13:38,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4135 states. [2022-07-21 14:13:38,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4135 to 3641. [2022-07-21 14:13:38,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.2369010300044783) internal successors, (2762), 2291 states have internal predecessors, (2762), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1229), 1205 states have call predecessors, (1229), 1229 states have call successors, (1229) [2022-07-21 14:13:38,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5220 transitions. [2022-07-21 14:13:38,743 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5220 transitions. Word has length 301 [2022-07-21 14:13:38,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:38,743 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5220 transitions. [2022-07-21 14:13:38,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.8) internal successors, (109), 3 states have internal predecessors, (109), 4 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:13:38,744 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5220 transitions. [2022-07-21 14:13:38,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-07-21 14:13:38,751 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:38,752 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-07-21 14:13:38,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 14:13:38,752 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:38,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:38,753 INFO L85 PathProgramCache]: Analyzing trace with hash -606674394, now seen corresponding path program 1 times [2022-07-21 14:13:38,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:13:38,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881606277] [2022-07-21 14:13:38,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:38,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:13:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:13:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:13:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:38,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 14:13:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 14:13:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 14:13:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 14:13:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 14:13:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:13:39,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 14:13:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:13:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:39,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 14:13:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:13:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 14:13:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 14:13:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-21 14:13:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:13:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 14:13:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:13:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:13:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:13:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 14:13:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 14:13:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 14:13:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:39,260 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-21 14:13:39,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:13:39,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881606277] [2022-07-21 14:13:39,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881606277] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:39,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:39,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 14:13:39,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34616182] [2022-07-21 14:13:39,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:39,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 14:13:39,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:13:39,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 14:13:39,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:13:39,265 INFO L87 Difference]: Start difference. First operand 3641 states and 5220 transitions. Second operand has 9 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:13:48,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:48,255 INFO L93 Difference]: Finished difference Result 7972 states and 11519 transitions. [2022-07-21 14:13:48,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:13:48,259 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 301 [2022-07-21 14:13:48,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:48,286 INFO L225 Difference]: With dead ends: 7972 [2022-07-21 14:13:48,286 INFO L226 Difference]: Without dead ends: 4365 [2022-07-21 14:13:48,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-07-21 14:13:48,305 INFO L413 NwaCegarLoop]: 2336 mSDtfsCounter, 4339 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 6438 mSolverCounterSat, 4333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4555 SdHoareTripleChecker+Valid, 5600 SdHoareTripleChecker+Invalid, 10771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4333 IncrementalHoareTripleChecker+Valid, 6438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:48,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4555 Valid, 5600 Invalid, 10771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4333 Valid, 6438 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2022-07-21 14:13:48,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4365 states. [2022-07-21 14:13:48,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 3641. [2022-07-21 14:13:48,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.2360053739364085) internal successors, (2760), 2291 states have internal predecessors, (2760), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1229), 1205 states have call predecessors, (1229), 1229 states have call successors, (1229) [2022-07-21 14:13:48,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5218 transitions. [2022-07-21 14:13:48,513 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5218 transitions. Word has length 301 [2022-07-21 14:13:48,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:48,514 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5218 transitions. [2022-07-21 14:13:48,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:13:48,514 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5218 transitions. [2022-07-21 14:13:48,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-21 14:13:48,522 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:48,522 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-07-21 14:13:48,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 14:13:48,523 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:48,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:48,523 INFO L85 PathProgramCache]: Analyzing trace with hash 226227545, now seen corresponding path program 1 times [2022-07-21 14:13:48,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:13:48,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180131532] [2022-07-21 14:13:48,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:48,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:13:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:13:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:13:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 14:13:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 14:13:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:48,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 14:13:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 14:13:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 14:13:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:13:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 14:13:48,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:13:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:48,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 14:13:48,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:13:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 14:13:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 14:13:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-21 14:13:48,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:13:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 14:13:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:13:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:13:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:13:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 14:13:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 14:13:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:48,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 14:13:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:49,001 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-21 14:13:49,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:13:49,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180131532] [2022-07-21 14:13:49,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180131532] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:49,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:49,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 14:13:49,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371676080] [2022-07-21 14:13:49,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:49,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 14:13:49,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:13:49,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 14:13:49,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:13:49,004 INFO L87 Difference]: Start difference. First operand 3641 states and 5218 transitions. Second operand has 9 states, 8 states have (on average 13.75) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:13:59,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:13:59,149 INFO L93 Difference]: Finished difference Result 7972 states and 11515 transitions. [2022-07-21 14:13:59,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:13:59,150 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 302 [2022-07-21 14:13:59,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:13:59,173 INFO L225 Difference]: With dead ends: 7972 [2022-07-21 14:13:59,173 INFO L226 Difference]: Without dead ends: 4365 [2022-07-21 14:13:59,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-07-21 14:13:59,193 INFO L413 NwaCegarLoop]: 2334 mSDtfsCounter, 5836 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 6431 mSolverCounterSat, 5785 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6053 SdHoareTripleChecker+Valid, 5598 SdHoareTripleChecker+Invalid, 12216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5785 IncrementalHoareTripleChecker+Valid, 6431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-07-21 14:13:59,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6053 Valid, 5598 Invalid, 12216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5785 Valid, 6431 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2022-07-21 14:13:59,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4365 states. [2022-07-21 14:13:59,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 3641. [2022-07-21 14:13:59,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.2351097178683386) internal successors, (2758), 2291 states have internal predecessors, (2758), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1229), 1205 states have call predecessors, (1229), 1229 states have call successors, (1229) [2022-07-21 14:13:59,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5216 transitions. [2022-07-21 14:13:59,438 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5216 transitions. Word has length 302 [2022-07-21 14:13:59,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:13:59,439 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5216 transitions. [2022-07-21 14:13:59,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:13:59,439 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5216 transitions. [2022-07-21 14:13:59,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-07-21 14:13:59,447 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:13:59,447 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-07-21 14:13:59,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 14:13:59,448 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:13:59,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:13:59,448 INFO L85 PathProgramCache]: Analyzing trace with hash 390900482, now seen corresponding path program 1 times [2022-07-21 14:13:59,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:13:59,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916651592] [2022-07-21 14:13:59,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:13:59,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:13:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:13:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:13:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 14:13:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 14:13:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 14:13:59,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 14:13:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 14:13:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:13:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 14:13:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:13:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 14:13:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:13:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 14:13:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 14:13:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-21 14:13:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:13:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:13:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 14:13:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:13:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:13:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:13:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 14:13:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 14:13:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:13:59,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:13:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 14:13:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:13:59,912 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-21 14:13:59,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:13:59,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916651592] [2022-07-21 14:13:59,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916651592] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:13:59,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:13:59,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 14:13:59,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852964118] [2022-07-21 14:13:59,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:13:59,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 14:13:59,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:13:59,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 14:13:59,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:13:59,916 INFO L87 Difference]: Start difference. First operand 3641 states and 5216 transitions. Second operand has 9 states, 8 states have (on average 13.875) internal successors, (111), 6 states have internal predecessors, (111), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:14:02,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:14:05,540 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:14:07,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:14:11,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:11,634 INFO L93 Difference]: Finished difference Result 7972 states and 11511 transitions. [2022-07-21 14:14:11,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:14:11,635 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 6 states have internal predecessors, (111), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 303 [2022-07-21 14:14:11,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:11,661 INFO L225 Difference]: With dead ends: 7972 [2022-07-21 14:14:11,661 INFO L226 Difference]: Without dead ends: 4365 [2022-07-21 14:14:11,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-07-21 14:14:11,681 INFO L413 NwaCegarLoop]: 2334 mSDtfsCounter, 4331 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 6434 mSolverCounterSat, 4333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4547 SdHoareTripleChecker+Valid, 5598 SdHoareTripleChecker+Invalid, 10767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4333 IncrementalHoareTripleChecker+Valid, 6434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:11,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4547 Valid, 5598 Invalid, 10767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4333 Valid, 6434 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-07-21 14:14:11,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4365 states. [2022-07-21 14:14:11,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 3641. [2022-07-21 14:14:11,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.2342140618002686) internal successors, (2756), 2291 states have internal predecessors, (2756), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1229), 1205 states have call predecessors, (1229), 1229 states have call successors, (1229) [2022-07-21 14:14:11,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5214 transitions. [2022-07-21 14:14:11,930 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5214 transitions. Word has length 303 [2022-07-21 14:14:11,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:11,931 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5214 transitions. [2022-07-21 14:14:11,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 6 states have internal predecessors, (111), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:14:11,931 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5214 transitions. [2022-07-21 14:14:11,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-07-21 14:14:11,939 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:11,939 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-07-21 14:14:11,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 14:14:11,939 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:11,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:11,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1315310837, now seen corresponding path program 1 times [2022-07-21 14:14:11,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:14:11,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013066372] [2022-07-21 14:14:11,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:11,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:14:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:14:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:14:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 14:14:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 14:14:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 14:14:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 14:14:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 14:14:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:14:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 14:14:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:14:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 14:14:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:14:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 14:14:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 14:14:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-21 14:14:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:14:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 14:14:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:14:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:14:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:14:12,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 14:14:12,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 14:14:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 14:14:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:12,344 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-21 14:14:12,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:14:12,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013066372] [2022-07-21 14:14:12,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013066372] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:14:12,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:14:12,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 14:14:12,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111419558] [2022-07-21 14:14:12,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:14:12,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 14:14:12,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:14:12,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 14:14:12,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:14:12,347 INFO L87 Difference]: Start difference. First operand 3641 states and 5214 transitions. Second operand has 9 states, 8 states have (on average 14.0) internal successors, (112), 6 states have internal predecessors, (112), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:14:22,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:22,381 INFO L93 Difference]: Finished difference Result 7972 states and 11507 transitions. [2022-07-21 14:14:22,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:14:22,382 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.0) internal successors, (112), 6 states have internal predecessors, (112), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 304 [2022-07-21 14:14:22,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:22,408 INFO L225 Difference]: With dead ends: 7972 [2022-07-21 14:14:22,409 INFO L226 Difference]: Without dead ends: 4365 [2022-07-21 14:14:22,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-07-21 14:14:22,423 INFO L413 NwaCegarLoop]: 2332 mSDtfsCounter, 4327 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 6427 mSolverCounterSat, 4333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4544 SdHoareTripleChecker+Valid, 5596 SdHoareTripleChecker+Invalid, 10760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4333 IncrementalHoareTripleChecker+Valid, 6427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:22,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4544 Valid, 5596 Invalid, 10760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4333 Valid, 6427 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2022-07-21 14:14:22,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4365 states. [2022-07-21 14:14:22,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 3641. [2022-07-21 14:14:22,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.2333184057321989) internal successors, (2754), 2291 states have internal predecessors, (2754), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1229), 1205 states have call predecessors, (1229), 1229 states have call successors, (1229) [2022-07-21 14:14:22,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5212 transitions. [2022-07-21 14:14:22,700 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5212 transitions. Word has length 304 [2022-07-21 14:14:22,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:22,700 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5212 transitions. [2022-07-21 14:14:22,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.0) internal successors, (112), 6 states have internal predecessors, (112), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:14:22,701 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5212 transitions. [2022-07-21 14:14:22,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-07-21 14:14:22,710 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:22,711 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-07-21 14:14:22,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 14:14:22,711 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:22,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:22,712 INFO L85 PathProgramCache]: Analyzing trace with hash 21777374, now seen corresponding path program 1 times [2022-07-21 14:14:22,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:14:22,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004025707] [2022-07-21 14:14:22,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:22,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:14:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:14:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:14:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 14:14:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 14:14:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 14:14:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 14:14:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 14:14:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:14:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 14:14:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:14:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:22,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 14:14:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:14:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 14:14:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 14:14:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-21 14:14:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:14:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:22,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 14:14:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:23,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:14:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:23,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:14:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:23,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:14:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:23,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:23,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 14:14:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:23,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:23,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 14:14:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:23,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:23,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:23,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:23,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:23,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 14:14:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:23,054 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-21 14:14:23,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:14:23,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004025707] [2022-07-21 14:14:23,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004025707] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:14:23,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:14:23,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 14:14:23,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241720481] [2022-07-21 14:14:23,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:14:23,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 14:14:23,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:14:23,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 14:14:23,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:14:23,057 INFO L87 Difference]: Start difference. First operand 3641 states and 5212 transitions. Second operand has 9 states, 8 states have (on average 14.125) internal successors, (113), 6 states have internal predecessors, (113), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:14:32,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:32,276 INFO L93 Difference]: Finished difference Result 7972 states and 11503 transitions. [2022-07-21 14:14:32,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:14:32,277 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.125) internal successors, (113), 6 states have internal predecessors, (113), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 305 [2022-07-21 14:14:32,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:32,296 INFO L225 Difference]: With dead ends: 7972 [2022-07-21 14:14:32,297 INFO L226 Difference]: Without dead ends: 4365 [2022-07-21 14:14:32,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-07-21 14:14:32,309 INFO L413 NwaCegarLoop]: 2330 mSDtfsCounter, 5821 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 6420 mSolverCounterSat, 5786 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6039 SdHoareTripleChecker+Valid, 5594 SdHoareTripleChecker+Invalid, 12206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5786 IncrementalHoareTripleChecker+Valid, 6420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:32,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6039 Valid, 5594 Invalid, 12206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5786 Valid, 6420 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-07-21 14:14:32,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4365 states. [2022-07-21 14:14:32,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 3641. [2022-07-21 14:14:32,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.232422749664129) internal successors, (2752), 2291 states have internal predecessors, (2752), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1229), 1205 states have call predecessors, (1229), 1229 states have call successors, (1229) [2022-07-21 14:14:32,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5210 transitions. [2022-07-21 14:14:32,513 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5210 transitions. Word has length 305 [2022-07-21 14:14:32,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:32,514 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5210 transitions. [2022-07-21 14:14:32,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.125) internal successors, (113), 6 states have internal predecessors, (113), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:14:32,514 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5210 transitions. [2022-07-21 14:14:32,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-21 14:14:32,527 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:32,528 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-07-21 14:14:32,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 14:14:32,528 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:32,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:32,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1308537711, now seen corresponding path program 1 times [2022-07-21 14:14:32,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:14:32,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065456486] [2022-07-21 14:14:32,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:32,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:14:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:14:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:14:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 14:14:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 14:14:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 14:14:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 14:14:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 14:14:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:14:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 14:14:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:14:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 14:14:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:14:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 14:14:32,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 14:14:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-21 14:14:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:14:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 14:14:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:14:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:14:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:14:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 14:14:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 14:14:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 14:14:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:32,884 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-21 14:14:32,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:14:32,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065456486] [2022-07-21 14:14:32,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065456486] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:14:32,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:14:32,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 14:14:32,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610395965] [2022-07-21 14:14:32,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:14:32,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 14:14:32,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:14:32,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 14:14:32,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:14:32,888 INFO L87 Difference]: Start difference. First operand 3641 states and 5210 transitions. Second operand has 9 states, 8 states have (on average 14.25) internal successors, (114), 6 states have internal predecessors, (114), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:14:37,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:14:39,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:14:45,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:45,959 INFO L93 Difference]: Finished difference Result 7972 states and 11499 transitions. [2022-07-21 14:14:45,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:14:45,959 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.25) internal successors, (114), 6 states have internal predecessors, (114), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 306 [2022-07-21 14:14:45,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:45,989 INFO L225 Difference]: With dead ends: 7972 [2022-07-21 14:14:45,989 INFO L226 Difference]: Without dead ends: 4365 [2022-07-21 14:14:46,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-07-21 14:14:46,001 INFO L413 NwaCegarLoop]: 2329 mSDtfsCounter, 5816 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 6418 mSolverCounterSat, 5786 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6034 SdHoareTripleChecker+Valid, 5593 SdHoareTripleChecker+Invalid, 12204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5786 IncrementalHoareTripleChecker+Valid, 6418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:46,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6034 Valid, 5593 Invalid, 12204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5786 Valid, 6418 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2022-07-21 14:14:46,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4365 states. [2022-07-21 14:14:46,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 3641. [2022-07-21 14:14:46,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.2315270935960592) internal successors, (2750), 2291 states have internal predecessors, (2750), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1229), 1205 states have call predecessors, (1229), 1229 states have call successors, (1229) [2022-07-21 14:14:46,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5208 transitions. [2022-07-21 14:14:46,252 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5208 transitions. Word has length 306 [2022-07-21 14:14:46,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:46,253 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5208 transitions. [2022-07-21 14:14:46,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.25) internal successors, (114), 6 states have internal predecessors, (114), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:14:46,253 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5208 transitions. [2022-07-21 14:14:46,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-07-21 14:14:46,263 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:46,263 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:14:46,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 14:14:46,264 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:46,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:46,264 INFO L85 PathProgramCache]: Analyzing trace with hash 515884218, now seen corresponding path program 1 times [2022-07-21 14:14:46,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:14:46,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068659643] [2022-07-21 14:14:46,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:46,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:14:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:14:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:14:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 14:14:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 14:14:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 14:14:46,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 14:14:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 14:14:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:14:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 14:14:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:14:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 14:14:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:46,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:14:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 14:14:46,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 14:14:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-21 14:14:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:14:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 14:14:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:14:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:14:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:14:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 14:14:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 14:14:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 14:14:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:46,687 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-21 14:14:46,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:14:46,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068659643] [2022-07-21 14:14:46,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068659643] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:14:46,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:14:46,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 14:14:46,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453204520] [2022-07-21 14:14:46,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:14:46,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 14:14:46,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:14:46,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 14:14:46,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:14:46,690 INFO L87 Difference]: Start difference. First operand 3641 states and 5208 transitions. Second operand has 9 states, 8 states have (on average 14.375) internal successors, (115), 6 states have internal predecessors, (115), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:14:56,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:14:56,957 INFO L93 Difference]: Finished difference Result 7972 states and 11495 transitions. [2022-07-21 14:14:56,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:14:56,957 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.375) internal successors, (115), 6 states have internal predecessors, (115), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 307 [2022-07-21 14:14:56,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:14:57,011 INFO L225 Difference]: With dead ends: 7972 [2022-07-21 14:14:57,011 INFO L226 Difference]: Without dead ends: 4365 [2022-07-21 14:14:57,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-07-21 14:14:57,024 INFO L413 NwaCegarLoop]: 2329 mSDtfsCounter, 5811 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 6421 mSolverCounterSat, 5785 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6028 SdHoareTripleChecker+Valid, 5593 SdHoareTripleChecker+Invalid, 12206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5785 IncrementalHoareTripleChecker+Valid, 6421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-07-21 14:14:57,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6028 Valid, 5593 Invalid, 12206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5785 Valid, 6421 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2022-07-21 14:14:57,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4365 states. [2022-07-21 14:14:57,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 3641. [2022-07-21 14:14:57,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.2306314375279892) internal successors, (2748), 2291 states have internal predecessors, (2748), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1229), 1205 states have call predecessors, (1229), 1229 states have call successors, (1229) [2022-07-21 14:14:57,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5206 transitions. [2022-07-21 14:14:57,294 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5206 transitions. Word has length 307 [2022-07-21 14:14:57,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:14:57,295 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5206 transitions. [2022-07-21 14:14:57,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.375) internal successors, (115), 6 states have internal predecessors, (115), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:14:57,295 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5206 transitions. [2022-07-21 14:14:57,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-07-21 14:14:57,305 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:14:57,305 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-07-21 14:14:57,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 14:14:57,306 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:14:57,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:14:57,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1352905773, now seen corresponding path program 1 times [2022-07-21 14:14:57,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:14:57,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141396262] [2022-07-21 14:14:57,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:14:57,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:14:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:14:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:14:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 14:14:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:57,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 14:14:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 14:14:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 14:14:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 14:14:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:14:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 14:14:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:14:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 14:14:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:14:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 14:14:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 14:14:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-21 14:14:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:14:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:14:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 14:14:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:14:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:14:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:14:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 14:14:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 14:14:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:14:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:14:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 14:14:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:14:57,781 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-21 14:14:57,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:14:57,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141396262] [2022-07-21 14:14:57,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141396262] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:14:57,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:14:57,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 14:14:57,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229350486] [2022-07-21 14:14:57,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:14:57,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 14:14:57,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:14:57,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 14:14:57,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:14:57,784 INFO L87 Difference]: Start difference. First operand 3641 states and 5206 transitions. Second operand has 9 states, 8 states have (on average 14.5) internal successors, (116), 6 states have internal predecessors, (116), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:15:04,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:15:09,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:15:09,554 INFO L93 Difference]: Finished difference Result 7972 states and 11491 transitions. [2022-07-21 14:15:09,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:15:09,555 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.5) internal successors, (116), 6 states have internal predecessors, (116), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 308 [2022-07-21 14:15:09,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:15:09,579 INFO L225 Difference]: With dead ends: 7972 [2022-07-21 14:15:09,579 INFO L226 Difference]: Without dead ends: 4365 [2022-07-21 14:15:09,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2022-07-21 14:15:09,596 INFO L413 NwaCegarLoop]: 2327 mSDtfsCounter, 5806 mSDsluCounter, 3264 mSDsCounter, 0 mSdLazyCounter, 6414 mSolverCounterSat, 5786 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6024 SdHoareTripleChecker+Valid, 5591 SdHoareTripleChecker+Invalid, 12200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5786 IncrementalHoareTripleChecker+Valid, 6414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:15:09,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6024 Valid, 5591 Invalid, 12200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5786 Valid, 6414 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2022-07-21 14:15:09,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4365 states. [2022-07-21 14:15:09,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4365 to 3641. [2022-07-21 14:15:09,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3641 states, 2233 states have (on average 1.2297357814599195) internal successors, (2746), 2291 states have internal predecessors, (2746), 1229 states have call successors, (1229), 178 states have call predecessors, (1229), 178 states have return successors, (1229), 1205 states have call predecessors, (1229), 1229 states have call successors, (1229) [2022-07-21 14:15:09,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3641 states and 5204 transitions. [2022-07-21 14:15:09,865 INFO L78 Accepts]: Start accepts. Automaton has 3641 states and 5204 transitions. Word has length 308 [2022-07-21 14:15:09,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:15:09,866 INFO L495 AbstractCegarLoop]: Abstraction has 3641 states and 5204 transitions. [2022-07-21 14:15:09,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.5) internal successors, (116), 6 states have internal predecessors, (116), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2022-07-21 14:15:09,866 INFO L276 IsEmpty]: Start isEmpty. Operand 3641 states and 5204 transitions. [2022-07-21 14:15:09,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-07-21 14:15:09,875 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:15:09,876 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-07-21 14:15:09,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 14:15:09,876 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:15:09,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:15:09,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1645286806, now seen corresponding path program 1 times [2022-07-21 14:15:09,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:15:09,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37132486] [2022-07-21 14:15:09,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:15:09,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:15:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:15:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:15:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:15:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 14:15:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:15:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 14:15:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:15:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 14:15:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 14:15:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 14:15:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:15:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-21 14:15:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 14:15:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:10,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 14:15:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:15:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 14:15:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-21 14:15:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-21 14:15:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:15:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:15:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 14:15:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-21 14:15:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 14:15:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:15:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 14:15:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 14:15:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:15:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:10,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 14:15:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:10,610 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2022-07-21 14:15:10,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:15:10,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37132486] [2022-07-21 14:15:10,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37132486] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:15:10,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:15:10,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 14:15:10,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040161506] [2022-07-21 14:15:10,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:15:10,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 14:15:10,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:15:10,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 14:15:10,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:15:10,613 INFO L87 Difference]: Start difference. First operand 3641 states and 5204 transitions. Second operand has 8 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 4 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-21 14:15:13,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:15:21,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:15:21,948 INFO L93 Difference]: Finished difference Result 7748 states and 11131 transitions. [2022-07-21 14:15:21,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 14:15:21,949 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 4 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) Word has length 309 [2022-07-21 14:15:21,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:15:21,974 INFO L225 Difference]: With dead ends: 7748 [2022-07-21 14:15:21,975 INFO L226 Difference]: Without dead ends: 4141 [2022-07-21 14:15:21,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2022-07-21 14:15:21,990 INFO L413 NwaCegarLoop]: 2210 mSDtfsCounter, 2411 mSDsluCounter, 4350 mSDsCounter, 0 mSdLazyCounter, 7419 mSolverCounterSat, 3141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2509 SdHoareTripleChecker+Valid, 6560 SdHoareTripleChecker+Invalid, 10560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3141 IncrementalHoareTripleChecker+Valid, 7419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-07-21 14:15:21,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2509 Valid, 6560 Invalid, 10560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3141 Valid, 7419 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2022-07-21 14:15:21,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4141 states. [2022-07-21 14:15:22,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4141 to 3649. [2022-07-21 14:15:22,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3649 states, 2239 states have (on average 1.2291201429209468) internal successors, (2752), 2297 states have internal predecessors, (2752), 1229 states have call successors, (1229), 180 states have call predecessors, (1229), 180 states have return successors, (1229), 1205 states have call predecessors, (1229), 1229 states have call successors, (1229) [2022-07-21 14:15:22,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3649 states to 3649 states and 5210 transitions. [2022-07-21 14:15:22,276 INFO L78 Accepts]: Start accepts. Automaton has 3649 states and 5210 transitions. Word has length 309 [2022-07-21 14:15:22,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:15:22,276 INFO L495 AbstractCegarLoop]: Abstraction has 3649 states and 5210 transitions. [2022-07-21 14:15:22,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 19.5) internal successors, (117), 4 states have internal predecessors, (117), 4 states have call successors, (36), 5 states have call predecessors, (36), 1 states have return successors, (32), 2 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-21 14:15:22,277 INFO L276 IsEmpty]: Start isEmpty. Operand 3649 states and 5210 transitions. [2022-07-21 14:15:22,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-21 14:15:22,286 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:15:22,286 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:15:22,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 14:15:22,286 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:15:22,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:15:22,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1495081352, now seen corresponding path program 1 times [2022-07-21 14:15:22,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:15:22,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079600050] [2022-07-21 14:15:22,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:15:22,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:15:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:15:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:15:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:15:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 14:15:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:15:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 14:15:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:15:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 14:15:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 14:15:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:15:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 14:15:22,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 14:15:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:15:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 14:15:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 14:15:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-21 14:15:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 14:15:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 14:15:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 14:15:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:15:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 14:15:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 14:15:22,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 14:15:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 14:15:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 14:15:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:15:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 14:15:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:15:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:15:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 14:15:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 14:15:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:22,678 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-07-21 14:15:22,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:15:22,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079600050] [2022-07-21 14:15:22,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079600050] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:15:22,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:15:22,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 14:15:22,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105684850] [2022-07-21 14:15:22,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:15:22,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 14:15:22,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:15:22,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 14:15:22,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 14:15:22,681 INFO L87 Difference]: Start difference. First operand 3649 states and 5210 transitions. Second operand has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-21 14:15:32,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:15:32,596 INFO L93 Difference]: Finished difference Result 10555 states and 15059 transitions. [2022-07-21 14:15:32,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:15:32,597 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 288 [2022-07-21 14:15:32,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:15:32,630 INFO L225 Difference]: With dead ends: 10555 [2022-07-21 14:15:32,630 INFO L226 Difference]: Without dead ends: 6940 [2022-07-21 14:15:32,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 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 14:15:32,644 INFO L413 NwaCegarLoop]: 2400 mSDtfsCounter, 4046 mSDsluCounter, 2060 mSDsCounter, 0 mSdLazyCounter, 4215 mSolverCounterSat, 3954 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4542 SdHoareTripleChecker+Valid, 4460 SdHoareTripleChecker+Invalid, 8169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3954 IncrementalHoareTripleChecker+Valid, 4215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:15:32,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4542 Valid, 4460 Invalid, 8169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3954 Valid, 4215 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-07-21 14:15:32,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6940 states. [2022-07-21 14:15:33,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6940 to 6708. [2022-07-21 14:15:33,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6708 states, 4117 states have (on average 1.2300218605780908) internal successors, (5064), 4225 states have internal predecessors, (5064), 2246 states have call successors, (2246), 342 states have call predecessors, (2246), 344 states have return successors, (2254), 2200 states have call predecessors, (2254), 2246 states have call successors, (2254) [2022-07-21 14:15:33,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6708 states to 6708 states and 9564 transitions. [2022-07-21 14:15:33,103 INFO L78 Accepts]: Start accepts. Automaton has 6708 states and 9564 transitions. Word has length 288 [2022-07-21 14:15:33,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:15:33,104 INFO L495 AbstractCegarLoop]: Abstraction has 6708 states and 9564 transitions. [2022-07-21 14:15:33,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-21 14:15:33,104 INFO L276 IsEmpty]: Start isEmpty. Operand 6708 states and 9564 transitions. [2022-07-21 14:15:33,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-07-21 14:15:33,116 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:15:33,116 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:15:33,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 14:15:33,116 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:15:33,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:15:33,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1904811936, now seen corresponding path program 1 times [2022-07-21 14:15:33,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:15:33,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13344604] [2022-07-21 14:15:33,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:15:33,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:15:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:33,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:15:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:15:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:15:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 14:15:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:33,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:15:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 14:15:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:33,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:15:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 14:15:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 14:15:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:15:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 14:15:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 14:15:33,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:15:33,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 14:15:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 14:15:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-21 14:15:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 14:15:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 14:15:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 14:15:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:15:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 14:15:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 14:15:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 14:15:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 14:15:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 14:15:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:15:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 14:15:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:15:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:15:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 14:15:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 14:15:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-21 14:15:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:33,599 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-07-21 14:15:33,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:15:33,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13344604] [2022-07-21 14:15:33,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13344604] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:15:33,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:15:33,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 14:15:33,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030622263] [2022-07-21 14:15:33,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:15:33,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 14:15:33,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:15:33,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 14:15:33,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:15:33,601 INFO L87 Difference]: Start difference. First operand 6708 states and 9564 transitions. Second operand has 8 states, 8 states have (on average 15.5) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-21 14:15:52,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:15:52,350 INFO L93 Difference]: Finished difference Result 17519 states and 24813 transitions. [2022-07-21 14:15:52,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 14:15:52,351 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 296 [2022-07-21 14:15:52,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:15:52,429 INFO L225 Difference]: With dead ends: 17519 [2022-07-21 14:15:52,429 INFO L226 Difference]: Without dead ends: 13894 [2022-07-21 14:15:52,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2022-07-21 14:15:52,452 INFO L413 NwaCegarLoop]: 3918 mSDtfsCounter, 9737 mSDsluCounter, 3099 mSDsCounter, 0 mSdLazyCounter, 7958 mSolverCounterSat, 9742 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10120 SdHoareTripleChecker+Valid, 7017 SdHoareTripleChecker+Invalid, 17700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9742 IncrementalHoareTripleChecker+Valid, 7958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:15:52,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10120 Valid, 7017 Invalid, 17700 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9742 Valid, 7958 Invalid, 0 Unknown, 0 Unchecked, 17.2s Time] [2022-07-21 14:15:52,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13894 states. [2022-07-21 14:15:53,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13894 to 13392. [2022-07-21 14:15:53,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13392 states, 8193 states have (on average 1.2170145245941657) internal successors, (9971), 8435 states have internal predecessors, (9971), 4440 states have call successors, (4440), 750 states have call predecessors, (4440), 758 states have return successors, (4524), 4326 states have call predecessors, (4524), 4440 states have call successors, (4524) [2022-07-21 14:15:53,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13392 states to 13392 states and 18935 transitions. [2022-07-21 14:15:53,619 INFO L78 Accepts]: Start accepts. Automaton has 13392 states and 18935 transitions. Word has length 296 [2022-07-21 14:15:53,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:15:53,620 INFO L495 AbstractCegarLoop]: Abstraction has 13392 states and 18935 transitions. [2022-07-21 14:15:53,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.5) internal successors, (124), 5 states have internal predecessors, (124), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-21 14:15:53,620 INFO L276 IsEmpty]: Start isEmpty. Operand 13392 states and 18935 transitions. [2022-07-21 14:15:53,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-07-21 14:15:53,720 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:15:53,720 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:15:53,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-21 14:15:53,721 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:15:53,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:15:53,721 INFO L85 PathProgramCache]: Analyzing trace with hash -445197761, now seen corresponding path program 1 times [2022-07-21 14:15:53,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:15:53,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752222986] [2022-07-21 14:15:53,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:15:53,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:15:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:53,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:53,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:15:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:53,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:15:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:53,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:53,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:53,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:15:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:53,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 14:15:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:53,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:53,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:15:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 14:15:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:15:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 14:15:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 14:15:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:15:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 14:15:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 14:15:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:15:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 14:15:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 14:15:54,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-21 14:15:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 14:15:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 14:15:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 14:15:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:15:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 14:15:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 14:15:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 14:15:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 14:15:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 14:15:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:54,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:15:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 14:15:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:15:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:15:54,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:15:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 14:15:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:15:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 14:15:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-21 14:15:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:15:54,187 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-07-21 14:15:54,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:15:54,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752222986] [2022-07-21 14:15:54,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752222986] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:15:54,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:15:54,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 14:15:54,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661660427] [2022-07-21 14:15:54,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:15:54,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 14:15:54,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:15:54,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 14:15:54,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:15:54,190 INFO L87 Difference]: Start difference. First operand 13392 states and 18935 transitions. Second operand has 8 states, 8 states have (on average 15.625) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-21 14:15:56,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:15:57,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:15:59,097 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:16:06,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:16:06,725 INFO L93 Difference]: Finished difference Result 22833 states and 32443 transitions. [2022-07-21 14:16:06,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:16:06,726 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 297 [2022-07-21 14:16:06,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:16:06,788 INFO L225 Difference]: With dead ends: 22833 [2022-07-21 14:16:06,788 INFO L226 Difference]: Without dead ends: 13884 [2022-07-21 14:16:06,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-07-21 14:16:06,827 INFO L413 NwaCegarLoop]: 2228 mSDtfsCounter, 3595 mSDsluCounter, 2306 mSDsCounter, 0 mSdLazyCounter, 4073 mSolverCounterSat, 3547 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3595 SdHoareTripleChecker+Valid, 4534 SdHoareTripleChecker+Invalid, 7620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3547 IncrementalHoareTripleChecker+Valid, 4073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:16:06,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3595 Valid, 4534 Invalid, 7620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3547 Valid, 4073 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2022-07-21 14:16:06,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13884 states. [2022-07-21 14:16:07,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13884 to 13392. [2022-07-21 14:16:07,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13392 states, 8193 states have (on average 1.2162821921152203) internal successors, (9965), 8435 states have internal predecessors, (9965), 4440 states have call successors, (4440), 750 states have call predecessors, (4440), 758 states have return successors, (4524), 4326 states have call predecessors, (4524), 4440 states have call successors, (4524) [2022-07-21 14:16:07,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13392 states to 13392 states and 18929 transitions. [2022-07-21 14:16:07,935 INFO L78 Accepts]: Start accepts. Automaton has 13392 states and 18929 transitions. Word has length 297 [2022-07-21 14:16:07,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:16:07,936 INFO L495 AbstractCegarLoop]: Abstraction has 13392 states and 18929 transitions. [2022-07-21 14:16:07,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.625) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-21 14:16:07,936 INFO L276 IsEmpty]: Start isEmpty. Operand 13392 states and 18929 transitions. [2022-07-21 14:16:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-07-21 14:16:07,946 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:16:07,946 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:16:07,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-21 14:16:07,946 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:16:07,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:16:07,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1967685308, now seen corresponding path program 1 times [2022-07-21 14:16:07,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:16:07,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327805113] [2022-07-21 14:16:07,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:16:07,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:16:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:16:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:16:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 14:16:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 14:16:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 14:16:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 14:16:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:16:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 14:16:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 14:16:08,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:16:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 14:16:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 14:16:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-21 14:16:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 14:16:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 14:16:08,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 14:16:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:16:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 14:16:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 14:16:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 14:16:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 14:16:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 14:16:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:16:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 14:16:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:16:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 14:16:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 14:16:08,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-21 14:16:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:08,293 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-07-21 14:16:08,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:16:08,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327805113] [2022-07-21 14:16:08,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327805113] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:16:08,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:16:08,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 14:16:08,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367927167] [2022-07-21 14:16:08,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:16:08,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 14:16:08,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:16:08,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 14:16:08,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:16:08,296 INFO L87 Difference]: Start difference. First operand 13392 states and 18929 transitions. Second operand has 8 states, 8 states have (on average 15.75) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-21 14:16:12,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:16:17,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:16:17,820 INFO L93 Difference]: Finished difference Result 22833 states and 32431 transitions. [2022-07-21 14:16:17,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:16:17,821 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 298 [2022-07-21 14:16:17,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:16:17,895 INFO L225 Difference]: With dead ends: 22833 [2022-07-21 14:16:17,896 INFO L226 Difference]: Without dead ends: 13884 [2022-07-21 14:16:18,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-07-21 14:16:18,009 INFO L413 NwaCegarLoop]: 2226 mSDtfsCounter, 4807 mSDsluCounter, 1812 mSDsCounter, 0 mSdLazyCounter, 3362 mSolverCounterSat, 5315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4807 SdHoareTripleChecker+Valid, 4038 SdHoareTripleChecker+Invalid, 8677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5315 IncrementalHoareTripleChecker+Valid, 3362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:16:18,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4807 Valid, 4038 Invalid, 8677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5315 Valid, 3362 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-07-21 14:16:18,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13884 states. [2022-07-21 14:16:18,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13884 to 13392. [2022-07-21 14:16:19,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13392 states, 8193 states have (on average 1.2155498596362748) internal successors, (9959), 8435 states have internal predecessors, (9959), 4440 states have call successors, (4440), 750 states have call predecessors, (4440), 758 states have return successors, (4524), 4326 states have call predecessors, (4524), 4440 states have call successors, (4524) [2022-07-21 14:16:19,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13392 states to 13392 states and 18923 transitions. [2022-07-21 14:16:19,082 INFO L78 Accepts]: Start accepts. Automaton has 13392 states and 18923 transitions. Word has length 298 [2022-07-21 14:16:19,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:16:19,083 INFO L495 AbstractCegarLoop]: Abstraction has 13392 states and 18923 transitions. [2022-07-21 14:16:19,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-21 14:16:19,083 INFO L276 IsEmpty]: Start isEmpty. Operand 13392 states and 18923 transitions. [2022-07-21 14:16:19,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-07-21 14:16:19,092 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:16:19,092 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:16:19,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-21 14:16:19,093 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:16:19,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:16:19,093 INFO L85 PathProgramCache]: Analyzing trace with hash -427834277, now seen corresponding path program 1 times [2022-07-21 14:16:19,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:16:19,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323096862] [2022-07-21 14:16:19,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:16:19,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:16:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:16:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:16:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 14:16:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 14:16:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 14:16:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 14:16:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:16:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 14:16:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 14:16:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:16:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 14:16:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 14:16:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-21 14:16:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 14:16:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 14:16:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 14:16:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:16:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 14:16:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 14:16:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 14:16:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 14:16:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 14:16:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:16:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 14:16:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:16:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 14:16:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 14:16:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-21 14:16:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:19,462 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-07-21 14:16:19,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:16:19,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323096862] [2022-07-21 14:16:19,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323096862] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:16:19,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:16:19,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 14:16:19,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493856300] [2022-07-21 14:16:19,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:16:19,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 14:16:19,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:16:19,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 14:16:19,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:16:19,467 INFO L87 Difference]: Start difference. First operand 13392 states and 18923 transitions. Second operand has 8 states, 8 states have (on average 15.875) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-21 14:16:22,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:16:28,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:16:28,972 INFO L93 Difference]: Finished difference Result 22833 states and 32419 transitions. [2022-07-21 14:16:28,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:16:28,973 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.875) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 299 [2022-07-21 14:16:28,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:16:29,048 INFO L225 Difference]: With dead ends: 22833 [2022-07-21 14:16:29,049 INFO L226 Difference]: Without dead ends: 13884 [2022-07-21 14:16:29,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-07-21 14:16:29,092 INFO L413 NwaCegarLoop]: 2227 mSDtfsCounter, 4193 mSDsluCounter, 1826 mSDsCounter, 0 mSdLazyCounter, 3406 mSolverCounterSat, 4430 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4193 SdHoareTripleChecker+Valid, 4053 SdHoareTripleChecker+Invalid, 7836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4430 IncrementalHoareTripleChecker+Valid, 3406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:16:29,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4193 Valid, 4053 Invalid, 7836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4430 Valid, 3406 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-07-21 14:16:29,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13884 states. [2022-07-21 14:16:30,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13884 to 13392. [2022-07-21 14:16:30,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13392 states, 8193 states have (on average 1.2148175271573294) internal successors, (9953), 8435 states have internal predecessors, (9953), 4440 states have call successors, (4440), 750 states have call predecessors, (4440), 758 states have return successors, (4524), 4326 states have call predecessors, (4524), 4440 states have call successors, (4524) [2022-07-21 14:16:30,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13392 states to 13392 states and 18917 transitions. [2022-07-21 14:16:30,222 INFO L78 Accepts]: Start accepts. Automaton has 13392 states and 18917 transitions. Word has length 299 [2022-07-21 14:16:30,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:16:30,222 INFO L495 AbstractCegarLoop]: Abstraction has 13392 states and 18917 transitions. [2022-07-21 14:16:30,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.875) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-21 14:16:30,223 INFO L276 IsEmpty]: Start isEmpty. Operand 13392 states and 18917 transitions. [2022-07-21 14:16:30,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-07-21 14:16:30,230 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:16:30,230 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:16:30,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-21 14:16:30,230 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:16:30,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:16:30,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1559980776, now seen corresponding path program 1 times [2022-07-21 14:16:30,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:16:30,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653733069] [2022-07-21 14:16:30,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:16:30,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:16:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:16:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:16:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:30,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 14:16:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 14:16:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 14:16:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 14:16:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:16:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 14:16:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 14:16:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:16:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 14:16:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 14:16:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-21 14:16:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 14:16:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 14:16:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 14:16:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:16:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 14:16:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 14:16:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 14:16:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 14:16:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 14:16:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:16:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 14:16:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:30,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:16:30,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 14:16:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 14:16:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-21 14:16:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:30,586 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-07-21 14:16:30,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:16:30,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653733069] [2022-07-21 14:16:30,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653733069] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:16:30,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:16:30,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 14:16:30,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399688136] [2022-07-21 14:16:30,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:16:30,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 14:16:30,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:16:30,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 14:16:30,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:16:30,589 INFO L87 Difference]: Start difference. First operand 13392 states and 18917 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-21 14:16:39,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:16:39,251 INFO L93 Difference]: Finished difference Result 22833 states and 32407 transitions. [2022-07-21 14:16:39,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:16:39,252 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 300 [2022-07-21 14:16:39,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:16:39,331 INFO L225 Difference]: With dead ends: 22833 [2022-07-21 14:16:39,332 INFO L226 Difference]: Without dead ends: 13884 [2022-07-21 14:16:39,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-07-21 14:16:39,376 INFO L413 NwaCegarLoop]: 2227 mSDtfsCounter, 4190 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 3626 mSolverCounterSat, 4424 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4190 SdHoareTripleChecker+Valid, 4042 SdHoareTripleChecker+Invalid, 8050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4424 IncrementalHoareTripleChecker+Valid, 3626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:16:39,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4190 Valid, 4042 Invalid, 8050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4424 Valid, 3626 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-07-21 14:16:39,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13884 states. [2022-07-21 14:16:40,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13884 to 13392. [2022-07-21 14:16:40,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13392 states, 8193 states have (on average 1.214085194678384) internal successors, (9947), 8435 states have internal predecessors, (9947), 4440 states have call successors, (4440), 750 states have call predecessors, (4440), 758 states have return successors, (4524), 4326 states have call predecessors, (4524), 4440 states have call successors, (4524) [2022-07-21 14:16:40,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13392 states to 13392 states and 18911 transitions. [2022-07-21 14:16:40,465 INFO L78 Accepts]: Start accepts. Automaton has 13392 states and 18911 transitions. Word has length 300 [2022-07-21 14:16:40,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:16:40,466 INFO L495 AbstractCegarLoop]: Abstraction has 13392 states and 18911 transitions. [2022-07-21 14:16:40,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-21 14:16:40,466 INFO L276 IsEmpty]: Start isEmpty. Operand 13392 states and 18911 transitions. [2022-07-21 14:16:40,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-07-21 14:16:40,473 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:16:40,473 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:16:40,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-21 14:16:40,474 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:16:40,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:16:40,474 INFO L85 PathProgramCache]: Analyzing trace with hash 2112700023, now seen corresponding path program 1 times [2022-07-21 14:16:40,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:16:40,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680295984] [2022-07-21 14:16:40,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:16:40,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:16:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:16:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:16:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 14:16:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 14:16:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 14:16:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 14:16:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:16:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 14:16:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 14:16:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:16:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 14:16:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 14:16:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-21 14:16:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 14:16:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 14:16:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 14:16:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:16:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 14:16:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 14:16:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 14:16:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 14:16:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 14:16:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:16:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 14:16:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:16:40,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 14:16:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 14:16:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-21 14:16:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:40,801 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-07-21 14:16:40,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:16:40,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680295984] [2022-07-21 14:16:40,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680295984] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:16:40,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:16:40,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 14:16:40,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294655527] [2022-07-21 14:16:40,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:16:40,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 14:16:40,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:16:40,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 14:16:40,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:16:40,804 INFO L87 Difference]: Start difference. First operand 13392 states and 18911 transitions. Second operand has 8 states, 8 states have (on average 16.125) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-21 14:16:49,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:16:49,235 INFO L93 Difference]: Finished difference Result 22833 states and 32395 transitions. [2022-07-21 14:16:49,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:16:49,236 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) Word has length 301 [2022-07-21 14:16:49,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:16:49,329 INFO L225 Difference]: With dead ends: 22833 [2022-07-21 14:16:49,330 INFO L226 Difference]: Without dead ends: 13884 [2022-07-21 14:16:49,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-07-21 14:16:49,387 INFO L413 NwaCegarLoop]: 2224 mSDtfsCounter, 4183 mSDsluCounter, 1826 mSDsCounter, 0 mSdLazyCounter, 3401 mSolverCounterSat, 4432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4183 SdHoareTripleChecker+Valid, 4050 SdHoareTripleChecker+Invalid, 7833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4432 IncrementalHoareTripleChecker+Valid, 3401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:16:49,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4183 Valid, 4050 Invalid, 7833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4432 Valid, 3401 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-07-21 14:16:49,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13884 states. [2022-07-21 14:16:50,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13884 to 13392. [2022-07-21 14:16:50,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13392 states, 8193 states have (on average 1.2133528621994385) internal successors, (9941), 8435 states have internal predecessors, (9941), 4440 states have call successors, (4440), 750 states have call predecessors, (4440), 758 states have return successors, (4524), 4326 states have call predecessors, (4524), 4440 states have call successors, (4524) [2022-07-21 14:16:50,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13392 states to 13392 states and 18905 transitions. [2022-07-21 14:16:50,553 INFO L78 Accepts]: Start accepts. Automaton has 13392 states and 18905 transitions. Word has length 301 [2022-07-21 14:16:50,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:16:50,554 INFO L495 AbstractCegarLoop]: Abstraction has 13392 states and 18905 transitions. [2022-07-21 14:16:50,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.125) internal successors, (129), 5 states have internal predecessors, (129), 2 states have call successors, (40), 5 states have call predecessors, (40), 2 states have return successors, (37), 3 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-21 14:16:50,554 INFO L276 IsEmpty]: Start isEmpty. Operand 13392 states and 18905 transitions. [2022-07-21 14:16:50,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-07-21 14:16:50,562 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:16:50,562 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:16:50,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-21 14:16:50,563 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:16:50,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:16:50,563 INFO L85 PathProgramCache]: Analyzing trace with hash 2141329174, now seen corresponding path program 1 times [2022-07-21 14:16:50,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:16:50,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942113297] [2022-07-21 14:16:50,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:16:50,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:16:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 14:16:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:16:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 14:16:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 14:16:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 14:16:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 14:16:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 14:16:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-21 14:16:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 14:16:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 14:16:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 14:16:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 14:16:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-07-21 14:16:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 14:16:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-21 14:16:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 14:16:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 14:16:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 14:16:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-21 14:16:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-21 14:16:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 14:16:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-21 14:16:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:16:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 14:16:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:16:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:16:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 14:16:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 14:16:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:16:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 14:16:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-21 14:16:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:16:50,939 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2022-07-21 14:16:50,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:16:50,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942113297] [2022-07-21 14:16:50,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942113297] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:16:50,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:16:50,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 14:16:50,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500206098] [2022-07-21 14:16:50,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:16:50,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 14:16:50,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:16:50,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 14:16:50,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:16:50,944 INFO L87 Difference]: Start difference. First operand 13392 states and 18905 transitions. Second operand has 8 states, 8 states have (on average 16.125) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (40), 4 states have call predecessors, (40), 2 states have return successors, (37), 2 states have call predecessors, (37), 1 states have call successors, (37)