./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.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 5ed3d5c0aeaf7c032926a2347a2cd8f6e5404a73032a43856ee00d265d816a1f --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 16:02:51,141 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:02:51,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:02:51,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:02:51,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:02:51,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:02:51,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:02:51,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:02:51,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:02:51,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:02:51,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:02:51,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:02:51,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:02:51,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:02:51,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:02:51,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:02:51,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:02:51,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:02:51,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:02:51,187 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:02:51,188 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:02:51,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:02:51,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:02:51,190 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:02:51,191 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:02:51,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:02:51,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:02:51,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:02:51,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:02:51,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:02:51,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:02:51,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:02:51,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:02:51,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:02:51,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:02:51,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:02:51,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:02:51,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:02:51,198 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:02:51,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:02:51,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:02:51,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:02:51,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:02:51,214 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:02:51,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:02:51,215 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:02:51,215 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:02:51,215 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:02:51,216 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:02:51,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:02:51,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:02:51,216 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:02:51,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:02:51,217 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:02:51,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:02:51,217 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:02:51,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:02:51,218 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:02:51,218 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:02:51,218 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:02:51,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:02:51,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:02:51,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:02:51,219 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:02:51,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:02:51,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:02:51,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:02:51,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:02:51,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:02:51,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:02:51,220 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:02:51,220 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:02:51,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:02:51,220 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ed3d5c0aeaf7c032926a2347a2cd8f6e5404a73032a43856ee00d265d816a1f [2022-07-12 16:02:51,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:02:51,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:02:51,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:02:51,435 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:02:51,436 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:02:51,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-07-12 16:02:51,483 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dce0aaa14/9fec33ff5aa549378af6f10fff2ed547/FLAGa99088c74 [2022-07-12 16:02:52,091 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:02:52,092 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-07-12 16:02:52,150 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dce0aaa14/9fec33ff5aa549378af6f10fff2ed547/FLAGa99088c74 [2022-07-12 16:02:52,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dce0aaa14/9fec33ff5aa549378af6f10fff2ed547 [2022-07-12 16:02:52,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:02:52,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:02:52,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:02:52,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:02:52,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:02:52,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:02:52" (1/1) ... [2022-07-12 16:02:52,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10bb6c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:02:52, skipping insertion in model container [2022-07-12 16:02:52,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:02:52" (1/1) ... [2022-07-12 16:02:52,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:02:52,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:02:54,047 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-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310122,310135] [2022-07-12 16:02:54,049 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-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310267,310280] [2022-07-12 16:02:54,063 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:02:54,088 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:02:54,324 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-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310122,310135] [2022-07-12 16:02:54,325 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-challenges/linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i[310267,310280] [2022-07-12 16:02:54,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:02:54,444 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:02:54,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:02:54 WrapperNode [2022-07-12 16:02:54,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:02:54,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:02:54,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:02:54,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:02:54,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:02:54" (1/1) ... [2022-07-12 16:02:54,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:02:54" (1/1) ... [2022-07-12 16:02:54,647 INFO L137 Inliner]: procedures = 411, calls = 1719, calls flagged for inlining = 194, calls inlined = 178, statements flattened = 4205 [2022-07-12 16:02:54,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:02:54,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:02:54,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:02:54,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:02:54,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:02:54" (1/1) ... [2022-07-12 16:02:54,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:02:54" (1/1) ... [2022-07-12 16:02:54,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:02:54" (1/1) ... [2022-07-12 16:02:54,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:02:54" (1/1) ... [2022-07-12 16:02:54,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:02:54" (1/1) ... [2022-07-12 16:02:54,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:02:54" (1/1) ... [2022-07-12 16:02:54,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:02:54" (1/1) ... [2022-07-12 16:02:54,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:02:54,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:02:54,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:02:54,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:02:54,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:02:54" (1/1) ... [2022-07-12 16:02:54,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:02:54,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:02:54,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 16:02:54,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 16:02:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_92 [2022-07-12 16:02:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_92 [2022-07-12 16:02:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 16:02:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 16:02:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:02:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:02:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-12 16:02:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-12 16:02:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 16:02:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 16:02:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:02:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:02:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 16:02:54,883 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 16:02:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-12 16:02:54,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-12 16:02:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 16:02:54,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 16:02:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2022-07-12 16:02:54,883 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2022-07-12 16:02:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_poll [2022-07-12 16:02:54,884 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_poll [2022-07-12 16:02:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 16:02:54,884 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 16:02:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:02:54,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:02:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 16:02:54,884 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 16:02:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-12 16:02:54,885 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-12 16:02:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 16:02:54,885 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 16:02:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:02:54,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:02:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-12 16:02:54,885 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-12 16:02:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:02:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_stop [2022-07-12 16:02:54,886 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_stop [2022-07-12 16:02:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 16:02:54,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 16:02:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 16:02:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 16:02:54,886 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 16:02:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 16:02:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:02:54,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:02:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_set_filter_mode [2022-07-12 16:02:54,887 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_set_filter_mode [2022-07-12 16:02:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2022-07-12 16:02:54,887 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2022-07-12 16:02:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 16:02:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2022-07-12 16:02:54,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2022-07-12 16:02:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 16:02:54,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 16:02:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:02:54,889 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:02:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 16:02:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 16:02:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 16:02:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 16:02:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 16:02:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 16:02:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 16:02:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 16:02:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 16:02:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 16:02:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 16:02:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 16:02:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2022-07-12 16:02:54,892 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2022-07-12 16:02:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reset_prepare [2022-07-12 16:02:54,892 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reset_prepare [2022-07-12 16:02:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:02:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 16:02:54,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 16:02:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 16:02:54,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 16:02:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:02:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2022-07-12 16:02:54,893 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2022-07-12 16:02:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:02:54,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:02:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 16:02:54,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 16:02:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:02:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:02:54,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:02:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:02:54,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:02:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-12 16:02:54,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-12 16:02:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-12 16:02:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-12 16:02:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 16:02:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 16:02:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-12 16:02:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-12 16:02:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 16:02:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 16:02:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-12 16:02:54,897 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-12 16:02:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:02:54,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:02:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reuse_skb [2022-07-12 16:02:54,897 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reuse_skb [2022-07-12 16:02:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_open [2022-07-12 16:02:54,897 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_open [2022-07-12 16:02:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:02:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:02:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:02:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:02:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 16:02:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 16:02:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uli526x_board_info [2022-07-12 16:02:54,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uli526x_board_info [2022-07-12 16:02:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 16:02:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 16:02:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 16:02:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 16:02:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-12 16:02:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-12 16:02:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 16:02:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 16:02:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-12 16:02:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-12 16:02:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2022-07-12 16:02:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2022-07-12 16:02:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2022-07-12 16:02:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2022-07-12 16:02:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 16:02:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 16:02:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:02:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 16:02:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 16:02:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:02:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-12 16:02:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-12 16:02:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:02:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 16:02:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 16:02:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:02:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:02:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_resume [2022-07-12 16:02:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_resume [2022-07-12 16:02:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 16:02:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 16:02:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_interrupt [2022-07-12 16:02:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_interrupt [2022-07-12 16:02:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2022-07-12 16:02:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2022-07-12 16:02:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_remove_one [2022-07-12 16:02:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_remove_one [2022-07-12 16:02:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2022-07-12 16:02:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2022-07-12 16:02:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 16:02:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:02:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:02:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2022-07-12 16:02:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2022-07-12 16:02:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_free_rxbuffer [2022-07-12 16:02:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_free_rxbuffer [2022-07-12 16:02:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:02:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:02:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-12 16:02:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-12 16:02:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-12 16:02:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-12 16:02:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init [2022-07-12 16:02:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init [2022-07-12 16:02:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 16:02:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:02:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:02:55,383 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:02:55,385 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:02:55,633 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:02:57,066 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 16:02:57,230 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:02:57,249 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:02:57,249 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 16:02:57,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:02:57 BoogieIcfgContainer [2022-07-12 16:02:57,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:02:57,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:02:57,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:02:57,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:02:57,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:02:52" (1/3) ... [2022-07-12 16:02:57,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f5b8bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:02:57, skipping insertion in model container [2022-07-12 16:02:57,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:02:54" (2/3) ... [2022-07-12 16:02:57,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f5b8bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:02:57, skipping insertion in model container [2022-07-12 16:02:57,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:02:57" (3/3) ... [2022-07-12 16:02:57,260 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2022-07-12 16:02:57,270 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:02:57,271 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 16:02:57,339 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:02:57,344 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@82c8e9f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4bc3d6f1 [2022-07-12 16:02:57,345 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 16:02:57,352 INFO L276 IsEmpty]: Start isEmpty. Operand has 1528 states, 1058 states have (on average 1.3090737240075614) internal successors, (1385), 1079 states have internal predecessors, (1385), 391 states have call successors, (391), 79 states have call predecessors, (391), 78 states have return successors, (385), 379 states have call predecessors, (385), 385 states have call successors, (385) [2022-07-12 16:02:57,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-07-12 16:02:57,374 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:02:57,375 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 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] [2022-07-12 16:02:57,376 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:02:57,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:02:57,380 INFO L85 PathProgramCache]: Analyzing trace with hash 298145663, now seen corresponding path program 1 times [2022-07-12 16:02:57,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:02:57,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303155088] [2022-07-12 16:02:57,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:02:57,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:02:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:57,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:02:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:57,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:02:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:57,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:02:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:57,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:02:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:57,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:02:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:57,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:02:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:57,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:02:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:57,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:02:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:57,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:02:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:57,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:02:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:57,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:02:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:57,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:02:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:57,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:02:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:57,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:02:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:57,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:02:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:57,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:02:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:57,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:02:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:57,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:02:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:57,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:02:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:58,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 16:02:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:58,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 16:02:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:58,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:02:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:58,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:02:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:58,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:02:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:58,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 16:02:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:58,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 16:02:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:58,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 16:02:58,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:58,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 16:02:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:58,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 16:02:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:58,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 16:02:58,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:02:58,091 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2022-07-12 16:02:58,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:02:58,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303155088] [2022-07-12 16:02:58,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303155088] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:02:58,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:02:58,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:02:58,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049921764] [2022-07-12 16:02:58,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:02:58,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:02:58,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:02:58,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:02:58,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:02:58,131 INFO L87 Difference]: Start difference. First operand has 1528 states, 1058 states have (on average 1.3090737240075614) internal successors, (1385), 1079 states have internal predecessors, (1385), 391 states have call successors, (391), 79 states have call predecessors, (391), 78 states have return successors, (385), 379 states have call predecessors, (385), 385 states have call successors, (385) Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-12 16:03:02,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:03:02,039 INFO L93 Difference]: Finished difference Result 4737 states and 6851 transitions. [2022-07-12 16:03:02,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:03:02,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 185 [2022-07-12 16:03:02,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:03:02,067 INFO L225 Difference]: With dead ends: 4737 [2022-07-12 16:03:02,067 INFO L226 Difference]: Without dead ends: 3149 [2022-07-12 16:03:02,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 16:03:02,081 INFO L413 NwaCegarLoop]: 2153 mSDtfsCounter, 4296 mSDsluCounter, 2339 mSDsCounter, 0 mSdLazyCounter, 2658 mSolverCounterSat, 2754 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4527 SdHoareTripleChecker+Valid, 4492 SdHoareTripleChecker+Invalid, 5412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2754 IncrementalHoareTripleChecker+Valid, 2658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-12 16:03:02,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4527 Valid, 4492 Invalid, 5412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2754 Valid, 2658 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-12 16:03:02,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states. [2022-07-12 16:03:02,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 2883. [2022-07-12 16:03:02,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2883 states, 2029 states have (on average 1.2966978807294234) internal successors, (2631), 2072 states have internal predecessors, (2631), 702 states have call successors, (702), 152 states have call predecessors, (702), 151 states have return successors, (706), 686 states have call predecessors, (706), 702 states have call successors, (706) [2022-07-12 16:03:02,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 2883 states and 4039 transitions. [2022-07-12 16:03:02,304 INFO L78 Accepts]: Start accepts. Automaton has 2883 states and 4039 transitions. Word has length 185 [2022-07-12 16:03:02,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:03:02,305 INFO L495 AbstractCegarLoop]: Abstraction has 2883 states and 4039 transitions. [2022-07-12 16:03:02,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 4 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-12 16:03:02,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2883 states and 4039 transitions. [2022-07-12 16:03:02,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-12 16:03:02,311 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:03:02,312 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2022-07-12 16:03:02,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 16:03:02,312 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:03:02,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:03:02,313 INFO L85 PathProgramCache]: Analyzing trace with hash -787352515, now seen corresponding path program 1 times [2022-07-12 16:03:02,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:03:02,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113827906] [2022-07-12 16:03:02,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:03:02,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:03:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:03:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:03:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:03:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:03:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:03:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:03:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:03:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:03:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:03:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:03:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 16:03:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 16:03:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 16:03:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:03:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:03:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 16:03:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 16:03:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 16:03:02,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-12 16:03:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 16:03:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 16:03:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:02,557 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-07-12 16:03:02,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:03:02,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113827906] [2022-07-12 16:03:02,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113827906] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:03:02,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:03:02,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:03:02,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814296419] [2022-07-12 16:03:02,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:03:02,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:03:02,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:03:02,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:03:02,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:03:02,561 INFO L87 Difference]: Start difference. First operand 2883 states and 4039 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 4 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-12 16:03:05,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:03:05,708 INFO L93 Difference]: Finished difference Result 8151 states and 11502 transitions. [2022-07-12 16:03:05,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:03:05,709 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 4 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 196 [2022-07-12 16:03:05,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:03:05,734 INFO L225 Difference]: With dead ends: 8151 [2022-07-12 16:03:05,734 INFO L226 Difference]: Without dead ends: 5291 [2022-07-12 16:03:05,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 16:03:05,748 INFO L413 NwaCegarLoop]: 2102 mSDtfsCounter, 3232 mSDsluCounter, 2275 mSDsCounter, 0 mSdLazyCounter, 2434 mSolverCounterSat, 2024 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3382 SdHoareTripleChecker+Valid, 4377 SdHoareTripleChecker+Invalid, 4458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2024 IncrementalHoareTripleChecker+Valid, 2434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-12 16:03:05,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3382 Valid, 4377 Invalid, 4458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2024 Valid, 2434 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-12 16:03:05,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5291 states. [2022-07-12 16:03:05,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5291 to 4775. [2022-07-12 16:03:05,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4775 states, 3395 states have (on average 1.3045655375552283) internal successors, (4429), 3462 states have internal predecessors, (4429), 1122 states have call successors, (1122), 258 states have call predecessors, (1122), 257 states have return successors, (1126), 1098 states have call predecessors, (1126), 1122 states have call successors, (1126) [2022-07-12 16:03:05,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4775 states to 4775 states and 6677 transitions. [2022-07-12 16:03:05,909 INFO L78 Accepts]: Start accepts. Automaton has 4775 states and 6677 transitions. Word has length 196 [2022-07-12 16:03:05,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:03:05,910 INFO L495 AbstractCegarLoop]: Abstraction has 4775 states and 6677 transitions. [2022-07-12 16:03:05,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 4 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-12 16:03:05,910 INFO L276 IsEmpty]: Start isEmpty. Operand 4775 states and 6677 transitions. [2022-07-12 16:03:05,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-07-12 16:03:05,915 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:03:05,915 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 3, 3, 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] [2022-07-12 16:03:05,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 16:03:05,915 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:03:05,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:03:05,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1046522982, now seen corresponding path program 1 times [2022-07-12 16:03:05,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:03:05,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112675302] [2022-07-12 16:03:05,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:03:05,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:03:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:03:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:03:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:03:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:03:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:03:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:03:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:03:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:03:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:03:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:03:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:03:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 16:03:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 16:03:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:03:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:03:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 16:03:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-12 16:03:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 16:03:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-12 16:03:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 16:03:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:03:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:06,183 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-07-12 16:03:06,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:03:06,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112675302] [2022-07-12 16:03:06,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112675302] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:03:06,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:03:06,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:03:06,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668130911] [2022-07-12 16:03:06,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:03:06,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:03:06,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:03:06,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:03:06,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:03:06,186 INFO L87 Difference]: Start difference. First operand 4775 states and 6677 transitions. Second operand has 5 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 4 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-12 16:03:09,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:03:09,606 INFO L93 Difference]: Finished difference Result 14420 states and 20270 transitions. [2022-07-12 16:03:09,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:03:09,607 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 4 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 197 [2022-07-12 16:03:09,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:03:09,654 INFO L225 Difference]: With dead ends: 14420 [2022-07-12 16:03:09,655 INFO L226 Difference]: Without dead ends: 9668 [2022-07-12 16:03:09,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 16:03:09,682 INFO L413 NwaCegarLoop]: 2058 mSDtfsCounter, 3990 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 2516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4194 SdHoareTripleChecker+Valid, 4334 SdHoareTripleChecker+Invalid, 5060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2516 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:03:09,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4194 Valid, 4334 Invalid, 5060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2516 Valid, 2544 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-12 16:03:09,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9668 states. [2022-07-12 16:03:09,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9668 to 8736. [2022-07-12 16:03:09,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8736 states, 6183 states have (on average 1.3032508491023775) internal successors, (8058), 6304 states have internal predecessors, (8058), 2064 states have call successors, (2064), 492 states have call predecessors, (2064), 488 states have return successors, (2072), 2015 states have call predecessors, (2072), 2064 states have call successors, (2072) [2022-07-12 16:03:10,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8736 states to 8736 states and 12194 transitions. [2022-07-12 16:03:10,028 INFO L78 Accepts]: Start accepts. Automaton has 8736 states and 12194 transitions. Word has length 197 [2022-07-12 16:03:10,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:03:10,030 INFO L495 AbstractCegarLoop]: Abstraction has 8736 states and 12194 transitions. [2022-07-12 16:03:10,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 4 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2022-07-12 16:03:10,030 INFO L276 IsEmpty]: Start isEmpty. Operand 8736 states and 12194 transitions. [2022-07-12 16:03:10,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-12 16:03:10,036 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:03:10,036 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 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] [2022-07-12 16:03:10,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 16:03:10,037 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:03:10,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:03:10,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1641465662, now seen corresponding path program 1 times [2022-07-12 16:03:10,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:03:10,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638073146] [2022-07-12 16:03:10,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:03:10,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:03:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:03:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:03:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:03:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:03:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:03:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:03:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:03:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:03:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:03:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:03:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 16:03:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 16:03:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 16:03:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 16:03:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 16:03:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 16:03:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-12 16:03:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-12 16:03:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 16:03:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-12 16:03:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:03:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:03:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-12 16:03:10,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 16:03:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 16:03:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:03:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-12 16:03:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 16:03:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:10,336 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-07-12 16:03:10,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:03:10,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638073146] [2022-07-12 16:03:10,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638073146] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:03:10,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:03:10,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:03:10,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983679779] [2022-07-12 16:03:10,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:03:10,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:03:10,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:03:10,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:03:10,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:03:10,338 INFO L87 Difference]: Start difference. First operand 8736 states and 12194 transitions. Second operand has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-12 16:03:14,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:03:14,004 INFO L93 Difference]: Finished difference Result 28016 states and 39795 transitions. [2022-07-12 16:03:14,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:03:14,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 266 [2022-07-12 16:03:14,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:03:14,154 INFO L225 Difference]: With dead ends: 28016 [2022-07-12 16:03:14,155 INFO L226 Difference]: Without dead ends: 19303 [2022-07-12 16:03:14,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 16:03:14,197 INFO L413 NwaCegarLoop]: 2915 mSDtfsCounter, 3500 mSDsluCounter, 2946 mSDsCounter, 0 mSdLazyCounter, 2698 mSolverCounterSat, 2283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3735 SdHoareTripleChecker+Valid, 5861 SdHoareTripleChecker+Invalid, 4981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2283 IncrementalHoareTripleChecker+Valid, 2698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:03:14,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3735 Valid, 5861 Invalid, 4981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2283 Valid, 2698 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-12 16:03:14,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19303 states. [2022-07-12 16:03:14,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19303 to 17447. [2022-07-12 16:03:14,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17447 states, 12351 states have (on average 1.291879200064772) internal successors, (15956), 12593 states have internal predecessors, (15956), 4119 states have call successors, (4119), 984 states have call predecessors, (4119), 976 states have return successors, (4282), 4021 states have call predecessors, (4282), 4119 states have call successors, (4282) [2022-07-12 16:03:14,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17447 states to 17447 states and 24357 transitions. [2022-07-12 16:03:14,833 INFO L78 Accepts]: Start accepts. Automaton has 17447 states and 24357 transitions. Word has length 266 [2022-07-12 16:03:14,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:03:14,834 INFO L495 AbstractCegarLoop]: Abstraction has 17447 states and 24357 transitions. [2022-07-12 16:03:14,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-12 16:03:14,834 INFO L276 IsEmpty]: Start isEmpty. Operand 17447 states and 24357 transitions. [2022-07-12 16:03:14,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-12 16:03:14,844 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:03:14,844 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 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] [2022-07-12 16:03:14,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 16:03:14,845 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:03:14,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:03:14,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1101036156, now seen corresponding path program 1 times [2022-07-12 16:03:14,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:03:14,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461954039] [2022-07-12 16:03:14,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:03:14,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:03:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:14,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:03:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:14,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:14,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:03:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:14,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:14,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:03:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:14,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:14,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:03:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:14,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:14,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:03:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:14,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:14,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:03:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:14,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:03:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:03:15,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:03:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:03:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 16:03:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 16:03:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 16:03:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 16:03:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 16:03:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 16:03:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-12 16:03:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-12 16:03:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 16:03:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-12 16:03:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:03:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:03:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-12 16:03:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 16:03:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 16:03:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:03:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-12 16:03:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 16:03:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:15,104 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-07-12 16:03:15,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:03:15,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461954039] [2022-07-12 16:03:15,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461954039] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:03:15,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:03:15,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:03:15,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805780676] [2022-07-12 16:03:15,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:03:15,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:03:15,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:03:15,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:03:15,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:03:15,106 INFO L87 Difference]: Start difference. First operand 17447 states and 24357 transitions. Second operand has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-12 16:03:16,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:03:16,778 INFO L93 Difference]: Finished difference Result 27087 states and 37767 transitions. [2022-07-12 16:03:16,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 16:03:16,779 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 266 [2022-07-12 16:03:16,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:03:16,808 INFO L225 Difference]: With dead ends: 27087 [2022-07-12 16:03:16,809 INFO L226 Difference]: Without dead ends: 9663 [2022-07-12 16:03:16,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 16:03:16,844 INFO L413 NwaCegarLoop]: 1873 mSDtfsCounter, 2909 mSDsluCounter, 1380 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 1541 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3086 SdHoareTripleChecker+Valid, 3253 SdHoareTripleChecker+Invalid, 2299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1541 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-12 16:03:16,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3086 Valid, 3253 Invalid, 2299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1541 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-12 16:03:16,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9663 states. [2022-07-12 16:03:17,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9663 to 8736. [2022-07-12 16:03:17,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8736 states, 6183 states have (on average 1.2785055798156235) internal successors, (7905), 6304 states have internal predecessors, (7905), 2064 states have call successors, (2064), 492 states have call predecessors, (2064), 488 states have return successors, (2072), 2015 states have call predecessors, (2072), 2064 states have call successors, (2072) [2022-07-12 16:03:17,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8736 states to 8736 states and 12041 transitions. [2022-07-12 16:03:17,066 INFO L78 Accepts]: Start accepts. Automaton has 8736 states and 12041 transitions. Word has length 266 [2022-07-12 16:03:17,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:03:17,067 INFO L495 AbstractCegarLoop]: Abstraction has 8736 states and 12041 transitions. [2022-07-12 16:03:17,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-12 16:03:17,067 INFO L276 IsEmpty]: Start isEmpty. Operand 8736 states and 12041 transitions. [2022-07-12 16:03:17,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-07-12 16:03:17,072 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:03:17,072 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 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] [2022-07-12 16:03:17,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 16:03:17,073 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:03:17,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:03:17,073 INFO L85 PathProgramCache]: Analyzing trace with hash 945055614, now seen corresponding path program 1 times [2022-07-12 16:03:17,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:03:17,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627272559] [2022-07-12 16:03:17,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:03:17,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:03:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:03:17,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:03:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:03:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:17,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:03:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:03:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:03:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:03:17,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:03:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:03:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:03:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 16:03:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-12 16:03:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 16:03:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 16:03:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 16:03:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 16:03:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-12 16:03:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-12 16:03:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 16:03:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-12 16:03:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:03:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:03:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-12 16:03:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 16:03:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 16:03:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:03:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-12 16:03:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-12 16:03:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:17,307 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-07-12 16:03:17,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:03:17,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627272559] [2022-07-12 16:03:17,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627272559] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:03:17,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:03:17,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:03:17,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980133232] [2022-07-12 16:03:17,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:03:17,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:03:17,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:03:17,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:03:17,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:03:17,309 INFO L87 Difference]: Start difference. First operand 8736 states and 12041 transitions. Second operand has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-12 16:03:18,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:03:18,740 INFO L93 Difference]: Finished difference Result 18368 states and 25435 transitions. [2022-07-12 16:03:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 16:03:18,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 266 [2022-07-12 16:03:18,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:03:18,801 INFO L225 Difference]: With dead ends: 18368 [2022-07-12 16:03:18,815 INFO L226 Difference]: Without dead ends: 9655 [2022-07-12 16:03:18,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 16:03:18,835 INFO L413 NwaCegarLoop]: 1865 mSDtfsCounter, 2902 mSDsluCounter, 1364 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 1544 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3079 SdHoareTripleChecker+Valid, 3229 SdHoareTripleChecker+Invalid, 2311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1544 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:03:18,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3079 Valid, 3229 Invalid, 2311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1544 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 16:03:18,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9655 states. [2022-07-12 16:03:19,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9655 to 8728. [2022-07-12 16:03:19,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8728 states, 6175 states have (on average 1.2736842105263158) internal successors, (7865), 6296 states have internal predecessors, (7865), 2064 states have call successors, (2064), 492 states have call predecessors, (2064), 488 states have return successors, (2072), 2015 states have call predecessors, (2072), 2064 states have call successors, (2072) [2022-07-12 16:03:19,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8728 states to 8728 states and 12001 transitions. [2022-07-12 16:03:19,061 INFO L78 Accepts]: Start accepts. Automaton has 8728 states and 12001 transitions. Word has length 266 [2022-07-12 16:03:19,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:03:19,062 INFO L495 AbstractCegarLoop]: Abstraction has 8728 states and 12001 transitions. [2022-07-12 16:03:19,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-12 16:03:19,063 INFO L276 IsEmpty]: Start isEmpty. Operand 8728 states and 12001 transitions. [2022-07-12 16:03:19,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-12 16:03:19,068 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:03:19,068 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 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] [2022-07-12 16:03:19,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 16:03:19,068 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:03:19,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:03:19,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1680512938, now seen corresponding path program 1 times [2022-07-12 16:03:19,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:03:19,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642563650] [2022-07-12 16:03:19,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:03:19,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:03:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:03:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:03:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:03:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:03:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:03:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:03:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:03:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:03:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:03:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:03:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 16:03:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 16:03:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 16:03:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:03:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 16:03:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 16:03:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 16:03:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 16:03:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 16:03:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-12 16:03:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:03:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:03:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:03:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-12 16:03:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-12 16:03:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-12 16:03:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-12 16:03:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 16:03:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:19,273 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2022-07-12 16:03:19,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:03:19,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642563650] [2022-07-12 16:03:19,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642563650] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:03:19,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:03:19,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:03:19,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029012489] [2022-07-12 16:03:19,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:03:19,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:03:19,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:03:19,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:03:19,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:03:19,275 INFO L87 Difference]: Start difference. First operand 8728 states and 12001 transitions. Second operand has 5 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-12 16:03:21,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:03:21,609 INFO L93 Difference]: Finished difference Result 22086 states and 30547 transitions. [2022-07-12 16:03:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:03:21,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 269 [2022-07-12 16:03:21,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:03:21,668 INFO L225 Difference]: With dead ends: 22086 [2022-07-12 16:03:21,668 INFO L226 Difference]: Without dead ends: 13381 [2022-07-12 16:03:21,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 16:03:21,699 INFO L413 NwaCegarLoop]: 3036 mSDtfsCounter, 2410 mSDsluCounter, 3107 mSDsCounter, 0 mSdLazyCounter, 2453 mSolverCounterSat, 1647 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2561 SdHoareTripleChecker+Valid, 6143 SdHoareTripleChecker+Invalid, 4100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1647 IncrementalHoareTripleChecker+Valid, 2453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 16:03:21,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2561 Valid, 6143 Invalid, 4100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1647 Valid, 2453 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 16:03:21,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13381 states. [2022-07-12 16:03:22,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13381 to 12045. [2022-07-12 16:03:22,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12045 states, 8548 states have (on average 1.2751520823584463) internal successors, (10900), 8707 states have internal predecessors, (10900), 2810 states have call successors, (2810), 690 states have call predecessors, (2810), 686 states have return successors, (2818), 2749 states have call predecessors, (2818), 2810 states have call successors, (2818) [2022-07-12 16:03:22,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12045 states to 12045 states and 16528 transitions. [2022-07-12 16:03:22,058 INFO L78 Accepts]: Start accepts. Automaton has 12045 states and 16528 transitions. Word has length 269 [2022-07-12 16:03:22,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:03:22,059 INFO L495 AbstractCegarLoop]: Abstraction has 12045 states and 16528 transitions. [2022-07-12 16:03:22,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 4 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-12 16:03:22,059 INFO L276 IsEmpty]: Start isEmpty. Operand 12045 states and 16528 transitions. [2022-07-12 16:03:22,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-07-12 16:03:22,067 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:03:22,067 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:03:22,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 16:03:22,067 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:03:22,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:03:22,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1667277328, now seen corresponding path program 1 times [2022-07-12 16:03:22,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:03:22,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445095657] [2022-07-12 16:03:22,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:03:22,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:03:22,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:03:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:03:22,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:03:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:03:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:03:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:03:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:03:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:03:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:03:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:03:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 16:03:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 16:03:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 16:03:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:03:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 16:03:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 16:03:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 16:03:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 16:03:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:03:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:03:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:03:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 16:03:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-12 16:03:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-12 16:03:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-12 16:03:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-12 16:03:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:03:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:03:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-12 16:03:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-12 16:03:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 16:03:22,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:03:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 16:03:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-12 16:03:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:22,312 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 701 trivial. 0 not checked. [2022-07-12 16:03:22,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:03:22,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445095657] [2022-07-12 16:03:22,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445095657] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:03:22,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:03:22,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:03:22,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671680696] [2022-07-12 16:03:22,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:03:22,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:03:22,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:03:22,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:03:22,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:03:22,314 INFO L87 Difference]: Start difference. First operand 12045 states and 16528 transitions. Second operand has 5 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 4 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-12 16:03:25,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:03:25,186 INFO L93 Difference]: Finished difference Result 29091 states and 40133 transitions. [2022-07-12 16:03:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:03:25,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 4 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 343 [2022-07-12 16:03:25,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:03:25,242 INFO L225 Difference]: With dead ends: 29091 [2022-07-12 16:03:25,242 INFO L226 Difference]: Without dead ends: 17069 [2022-07-12 16:03:25,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 16:03:25,278 INFO L413 NwaCegarLoop]: 3028 mSDtfsCounter, 2407 mSDsluCounter, 3103 mSDsCounter, 0 mSdLazyCounter, 2439 mSolverCounterSat, 1638 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2558 SdHoareTripleChecker+Valid, 6131 SdHoareTripleChecker+Invalid, 4077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1638 IncrementalHoareTripleChecker+Valid, 2439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:03:25,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2558 Valid, 6131 Invalid, 4077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1638 Valid, 2439 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-12 16:03:25,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17069 states. [2022-07-12 16:03:25,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17069 to 15330. [2022-07-12 16:03:25,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15330 states, 10901 states have (on average 1.2764883955600403) internal successors, (13915), 11098 states have internal predecessors, (13915), 3544 states have call successors, (3544), 888 states have call predecessors, (3544), 884 states have return successors, (3552), 3471 states have call predecessors, (3552), 3544 states have call successors, (3552) [2022-07-12 16:03:25,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15330 states to 15330 states and 21011 transitions. [2022-07-12 16:03:25,863 INFO L78 Accepts]: Start accepts. Automaton has 15330 states and 21011 transitions. Word has length 343 [2022-07-12 16:03:25,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:03:25,864 INFO L495 AbstractCegarLoop]: Abstraction has 15330 states and 21011 transitions. [2022-07-12 16:03:25,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 4 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-12 16:03:25,864 INFO L276 IsEmpty]: Start isEmpty. Operand 15330 states and 21011 transitions. [2022-07-12 16:03:25,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-07-12 16:03:25,872 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:03:25,872 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:03:25,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 16:03:25,873 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:03:25,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:03:25,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1008715054, now seen corresponding path program 1 times [2022-07-12 16:03:25,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:03:25,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368911121] [2022-07-12 16:03:25,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:03:25,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:03:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:03:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:03:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:03:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:03:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:03:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:03:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:03:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:03:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:26,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:03:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:03:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 16:03:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 16:03:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 16:03:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:03:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 16:03:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 16:03:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 16:03:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 16:03:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:03:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:03:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:03:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 16:03:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-12 16:03:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-12 16:03:26,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-12 16:03:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-12 16:03:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:03:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:03:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-12 16:03:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-12 16:03:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 16:03:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:03:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 16:03:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-12 16:03:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:26,144 INFO L134 CoverageAnalysis]: Checked inductivity of 714 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 701 trivial. 0 not checked. [2022-07-12 16:03:26,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:03:26,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368911121] [2022-07-12 16:03:26,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368911121] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:03:26,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:03:26,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:03:26,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056582123] [2022-07-12 16:03:26,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:03:26,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:03:26,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:03:26,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:03:26,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:03:26,147 INFO L87 Difference]: Start difference. First operand 15330 states and 21011 transitions. Second operand has 5 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 4 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-12 16:03:28,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:03:28,878 INFO L93 Difference]: Finished difference Result 36228 states and 49917 transitions. [2022-07-12 16:03:28,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:03:28,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 4 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 343 [2022-07-12 16:03:28,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:03:28,953 INFO L225 Difference]: With dead ends: 36228 [2022-07-12 16:03:28,953 INFO L226 Difference]: Without dead ends: 20921 [2022-07-12 16:03:28,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 16:03:28,984 INFO L413 NwaCegarLoop]: 3069 mSDtfsCounter, 2768 mSDsluCounter, 2949 mSDsCounter, 0 mSdLazyCounter, 2377 mSolverCounterSat, 1734 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2968 SdHoareTripleChecker+Valid, 6018 SdHoareTripleChecker+Invalid, 4111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1734 IncrementalHoareTripleChecker+Valid, 2377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:03:28,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2968 Valid, 6018 Invalid, 4111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1734 Valid, 2377 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-12 16:03:28,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20921 states. [2022-07-12 16:03:29,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20921 to 18779. [2022-07-12 16:03:29,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18779 states, 13369 states have (on average 1.2757872690552772) internal successors, (17056), 13607 states have internal predecessors, (17056), 4320 states have call successors, (4320), 1093 states have call predecessors, (4320), 1089 states have return successors, (4328), 4233 states have call predecessors, (4328), 4320 states have call successors, (4328) [2022-07-12 16:03:29,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18779 states to 18779 states and 25704 transitions. [2022-07-12 16:03:29,549 INFO L78 Accepts]: Start accepts. Automaton has 18779 states and 25704 transitions. Word has length 343 [2022-07-12 16:03:29,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:03:29,550 INFO L495 AbstractCegarLoop]: Abstraction has 18779 states and 25704 transitions. [2022-07-12 16:03:29,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 3 states have internal predecessors, (144), 4 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-12 16:03:29,550 INFO L276 IsEmpty]: Start isEmpty. Operand 18779 states and 25704 transitions. [2022-07-12 16:03:29,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-07-12 16:03:29,559 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:03:29,559 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:03:29,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 16:03:29,559 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:03:29,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:03:29,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1201522635, now seen corresponding path program 1 times [2022-07-12 16:03:29,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:03:29,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345293372] [2022-07-12 16:03:29,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:03:29,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:03:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:03:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:03:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:03:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:03:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:03:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:03:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:03:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:03:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:03:29,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:03:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 16:03:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 16:03:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-12 16:03:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:03:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:03:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 16:03:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 16:03:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:03:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 16:03:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 16:03:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 16:03:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 16:03:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 16:03:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 16:03:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 16:03:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 16:03:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-12 16:03:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:03:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-12 16:03:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 16:03:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-12 16:03:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:03:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:03:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-12 16:03:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:03:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:29,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-12 16:03:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-12 16:03:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:03:29,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:03:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-12 16:03:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:03:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-12 16:03:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:03:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 16:03:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-12 16:03:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-12 16:03:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-12 16:03:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-12 16:03:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-12 16:03:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:29,991 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2022-07-12 16:03:29,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:03:29,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345293372] [2022-07-12 16:03:29,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345293372] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:03:29,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:03:29,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 16:03:29,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5121062] [2022-07-12 16:03:29,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:03:29,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 16:03:29,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:03:29,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 16:03:29,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:03:29,993 INFO L87 Difference]: Start difference. First operand 18779 states and 25704 transitions. Second operand has 7 states, 6 states have (on average 23.5) internal successors, (141), 3 states have internal predecessors, (141), 4 states have call successors, (57), 6 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 4 states have call successors, (53) [2022-07-12 16:03:36,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:03:36,180 INFO L93 Difference]: Finished difference Result 58461 states and 81008 transitions. [2022-07-12 16:03:36,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-12 16:03:36,181 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.5) internal successors, (141), 3 states have internal predecessors, (141), 4 states have call successors, (57), 6 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 4 states have call successors, (53) Word has length 403 [2022-07-12 16:03:36,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:03:36,315 INFO L225 Difference]: With dead ends: 58461 [2022-07-12 16:03:36,315 INFO L226 Difference]: Without dead ends: 39705 [2022-07-12 16:03:36,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2022-07-12 16:03:36,373 INFO L413 NwaCegarLoop]: 2371 mSDtfsCounter, 6037 mSDsluCounter, 3297 mSDsCounter, 0 mSdLazyCounter, 4775 mSolverCounterSat, 4919 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6214 SdHoareTripleChecker+Valid, 5668 SdHoareTripleChecker+Invalid, 9694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4919 IncrementalHoareTripleChecker+Valid, 4775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:03:36,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6214 Valid, 5668 Invalid, 9694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4919 Valid, 4775 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-12 16:03:36,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39705 states. [2022-07-12 16:03:37,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39705 to 31679. [2022-07-12 16:03:37,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31679 states, 22677 states have (on average 1.2674075054019491) internal successors, (28741), 23103 states have internal predecessors, (28741), 7090 states have call successors, (7090), 1923 states have call predecessors, (7090), 1911 states have return successors, (7106), 6909 states have call predecessors, (7106), 7090 states have call successors, (7106) [2022-07-12 16:03:37,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31679 states to 31679 states and 42937 transitions. [2022-07-12 16:03:37,673 INFO L78 Accepts]: Start accepts. Automaton has 31679 states and 42937 transitions. Word has length 403 [2022-07-12 16:03:37,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:03:37,673 INFO L495 AbstractCegarLoop]: Abstraction has 31679 states and 42937 transitions. [2022-07-12 16:03:37,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.5) internal successors, (141), 3 states have internal predecessors, (141), 4 states have call successors, (57), 6 states have call predecessors, (57), 1 states have return successors, (53), 3 states have call predecessors, (53), 4 states have call successors, (53) [2022-07-12 16:03:37,674 INFO L276 IsEmpty]: Start isEmpty. Operand 31679 states and 42937 transitions. [2022-07-12 16:03:37,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-07-12 16:03:37,685 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:03:37,685 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:03:37,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 16:03:37,686 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:03:37,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:03:37,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1944326068, now seen corresponding path program 1 times [2022-07-12 16:03:37,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:03:37,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751615445] [2022-07-12 16:03:37,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:03:37,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:03:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:03:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:03:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:03:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:03:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:03:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:03:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:03:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:03:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:03:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:03:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 16:03:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 16:03:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 16:03:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 16:03:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-07-12 16:03:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:03:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:03:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 16:03:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 16:03:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 16:03:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 16:03:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 16:03:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 16:03:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 16:03:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 16:03:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 16:03:37,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 16:03:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-12 16:03:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-12 16:03:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-12 16:03:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 16:03:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:03:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-12 16:03:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:37,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:03:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:03:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-12 16:03:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:03:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-12 16:03:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-12 16:03:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:03:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:03:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-12 16:03:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:03:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-12 16:03:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:03:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 16:03:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-12 16:03:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-12 16:03:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-12 16:03:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-12 16:03:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-12 16:03:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:38,083 INFO L134 CoverageAnalysis]: Checked inductivity of 809 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2022-07-12 16:03:38,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:03:38,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751615445] [2022-07-12 16:03:38,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751615445] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:03:38,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:03:38,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 16:03:38,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151192054] [2022-07-12 16:03:38,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:03:38,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 16:03:38,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:03:38,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 16:03:38,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:03:38,085 INFO L87 Difference]: Start difference. First operand 31679 states and 42937 transitions. Second operand has 7 states, 6 states have (on average 25.833333333333332) internal successors, (155), 3 states have internal predecessors, (155), 4 states have call successors, (59), 6 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55) [2022-07-12 16:03:45,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:03:45,755 INFO L93 Difference]: Finished difference Result 110691 states and 153066 transitions. [2022-07-12 16:03:45,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-12 16:03:45,755 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 25.833333333333332) internal successors, (155), 3 states have internal predecessors, (155), 4 states have call successors, (59), 6 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55) Word has length 426 [2022-07-12 16:03:45,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:03:46,210 INFO L225 Difference]: With dead ends: 110691 [2022-07-12 16:03:46,210 INFO L226 Difference]: Without dead ends: 79035 [2022-07-12 16:03:46,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=162, Invalid=438, Unknown=0, NotChecked=0, Total=600 [2022-07-12 16:03:46,294 INFO L413 NwaCegarLoop]: 2570 mSDtfsCounter, 6354 mSDsluCounter, 3808 mSDsCounter, 0 mSdLazyCounter, 5032 mSolverCounterSat, 5069 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6568 SdHoareTripleChecker+Valid, 6378 SdHoareTripleChecker+Invalid, 10101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5069 IncrementalHoareTripleChecker+Valid, 5032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-12 16:03:46,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6568 Valid, 6378 Invalid, 10101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5069 Valid, 5032 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-12 16:03:46,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79035 states. [2022-07-12 16:03:48,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79035 to 62953. [2022-07-12 16:03:48,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62953 states, 44999 states have (on average 1.2668503744527657) internal successors, (57007), 45911 states have internal predecessors, (57007), 14131 states have call successors, (14131), 3846 states have call predecessors, (14131), 3822 states have return successors, (14163), 13709 states have call predecessors, (14163), 14131 states have call successors, (14163) [2022-07-12 16:03:48,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62953 states to 62953 states and 85301 transitions. [2022-07-12 16:03:48,890 INFO L78 Accepts]: Start accepts. Automaton has 62953 states and 85301 transitions. Word has length 426 [2022-07-12 16:03:48,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:03:48,890 INFO L495 AbstractCegarLoop]: Abstraction has 62953 states and 85301 transitions. [2022-07-12 16:03:48,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 25.833333333333332) internal successors, (155), 3 states have internal predecessors, (155), 4 states have call successors, (59), 6 states have call predecessors, (59), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55) [2022-07-12 16:03:48,891 INFO L276 IsEmpty]: Start isEmpty. Operand 62953 states and 85301 transitions. [2022-07-12 16:03:48,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2022-07-12 16:03:48,910 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:03:48,911 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 11, 11, 11, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:03:48,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 16:03:48,911 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:03:48,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:03:48,911 INFO L85 PathProgramCache]: Analyzing trace with hash 637961587, now seen corresponding path program 1 times [2022-07-12 16:03:48,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:03:48,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656387437] [2022-07-12 16:03:48,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:03:48,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:03:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:03:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:03:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:03:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:03:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:03:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:03:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:03:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:03:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:03:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:03:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-07-12 16:03:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 16:03:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 16:03:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:03:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 16:03:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 16:03:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 16:03:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 16:03:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:03:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:03:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:03:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:03:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 16:03:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-12 16:03:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-12 16:03:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-12 16:03:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-12 16:03:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-12 16:03:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:03:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-12 16:03:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-12 16:03:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-12 16:03:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 16:03:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-12 16:03:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:03:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:03:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-12 16:03:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 16:03:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-12 16:03:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-12 16:03:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-12 16:03:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-12 16:03:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:03:49,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 1052 trivial. 0 not checked. [2022-07-12 16:03:49,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:03:49,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656387437] [2022-07-12 16:03:49,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656387437] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:03:49,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:03:49,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 16:03:49,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978890928] [2022-07-12 16:03:49,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:03:49,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 16:03:49,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:03:49,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 16:03:49,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 16:03:49,442 INFO L87 Difference]: Start difference. First operand 62953 states and 85301 transitions. Second operand has 6 states, 5 states have (on average 33.2) internal successors, (166), 4 states have internal predecessors, (166), 4 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-12 16:03:58,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:03:58,539 INFO L93 Difference]: Finished difference Result 219439 states and 303100 transitions. [2022-07-12 16:03:58,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 16:03:58,539 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.2) internal successors, (166), 4 states have internal predecessors, (166), 4 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) Word has length 420 [2022-07-12 16:03:58,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:03:59,295 INFO L225 Difference]: With dead ends: 219439 [2022-07-12 16:03:59,296 INFO L226 Difference]: Without dead ends: 156509 [2022-07-12 16:03:59,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-07-12 16:03:59,510 INFO L413 NwaCegarLoop]: 4226 mSDtfsCounter, 3328 mSDsluCounter, 6548 mSDsCounter, 0 mSdLazyCounter, 5451 mSolverCounterSat, 2263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3659 SdHoareTripleChecker+Valid, 10774 SdHoareTripleChecker+Invalid, 7714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2263 IncrementalHoareTripleChecker+Valid, 5451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:03:59,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3659 Valid, 10774 Invalid, 7714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2263 Valid, 5451 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-12 16:03:59,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156509 states. [2022-07-12 16:04:04,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156509 to 107647. [2022-07-12 16:04:04,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107647 states, 76999 states have (on average 1.2703411732619905) internal successors, (97815), 78583 states have internal predecessors, (97815), 23933 states have call successors, (23933), 6762 states have call predecessors, (23933), 6714 states have return successors, (23989), 23165 states have call predecessors, (23989), 23933 states have call successors, (23989) [2022-07-12 16:04:04,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107647 states to 107647 states and 145737 transitions. [2022-07-12 16:04:04,956 INFO L78 Accepts]: Start accepts. Automaton has 107647 states and 145737 transitions. Word has length 420 [2022-07-12 16:04:04,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:04:04,971 INFO L495 AbstractCegarLoop]: Abstraction has 107647 states and 145737 transitions. [2022-07-12 16:04:04,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.2) internal successors, (166), 4 states have internal predecessors, (166), 4 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-12 16:04:04,972 INFO L276 IsEmpty]: Start isEmpty. Operand 107647 states and 145737 transitions. [2022-07-12 16:04:04,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2022-07-12 16:04:04,997 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:04:04,997 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 10, 10, 9, 9, 9, 9, 9, 9, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:04:04,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 16:04:04,997 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:04:04,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:04:04,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1427505254, now seen corresponding path program 1 times [2022-07-12 16:04:04,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:04:04,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235221566] [2022-07-12 16:04:04,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:04:04,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:04:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:04:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:04:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:04:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:04:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:04:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:04:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:04:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:04:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:04:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:04:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:04:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:04:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:04:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:04:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:04:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:04:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:04:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:04:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 16:04:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 16:04:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:04:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 16:04:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 16:04:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 16:04:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-12 16:04:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-12 16:04:05,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:04:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:04:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-12 16:04:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-12 16:04:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-12 16:04:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:04:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:04:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:04:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 16:04:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-12 16:04:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-12 16:04:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-12 16:04:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 16:04:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:04:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:04:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 16:04:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 16:04:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:04:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 16:04:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-12 16:04:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-12 16:04:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 16:04:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-12 16:04:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:04:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:04:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:04:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-07-12 16:04:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:04:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:04:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 16:04:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-12 16:04:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:04:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:04:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 16:04:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-12 16:04:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:04:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:04:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-12 16:04:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 16:04:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:04:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-12 16:04:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-12 16:04:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-12 16:04:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-12 16:04:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-12 16:04:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-12 16:04:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:04:05,556 INFO L134 CoverageAnalysis]: Checked inductivity of 856 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 850 trivial. 0 not checked. [2022-07-12 16:04:05,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:04:05,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235221566] [2022-07-12 16:04:05,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235221566] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:04:05,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:04:05,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 16:04:05,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582505889] [2022-07-12 16:04:05,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:04:05,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 16:04:05,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:04:05,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 16:04:05,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 16:04:05,559 INFO L87 Difference]: Start difference. First operand 107647 states and 145737 transitions. Second operand has 7 states, 6 states have (on average 26.833333333333332) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (60), 6 states have call predecessors, (60), 1 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2022-07-12 16:04:15,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:04:15,135 INFO L93 Difference]: Finished difference Result 244398 states and 335627 transitions. [2022-07-12 16:04:15,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 16:04:15,136 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 26.833333333333332) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (60), 6 states have call predecessors, (60), 1 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) Word has length 446 [2022-07-12 16:04:15,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:04:15,740 INFO L225 Difference]: With dead ends: 244398 [2022-07-12 16:04:15,741 INFO L226 Difference]: Without dead ends: 136774 [2022-07-12 16:04:16,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-07-12 16:04:16,099 INFO L413 NwaCegarLoop]: 1792 mSDtfsCounter, 2993 mSDsluCounter, 2846 mSDsCounter, 0 mSdLazyCounter, 3575 mSolverCounterSat, 2607 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3035 SdHoareTripleChecker+Valid, 4638 SdHoareTripleChecker+Invalid, 6182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2607 IncrementalHoareTripleChecker+Valid, 3575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-07-12 16:04:16,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3035 Valid, 4638 Invalid, 6182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2607 Valid, 3575 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-07-12 16:04:16,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136774 states.