./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-16 05:05:21,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 05:05:21,067 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 05:05:21,113 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 05:05:21,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 05:05:21,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 05:05:21,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 05:05:21,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 05:05:21,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 05:05:21,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 05:05:21,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 05:05:21,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 05:05:21,121 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 05:05:21,122 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 05:05:21,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 05:05:21,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 05:05:21,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 05:05:21,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 05:05:21,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 05:05:21,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 05:05:21,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 05:05:21,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 05:05:21,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 05:05:21,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 05:05:21,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 05:05:21,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 05:05:21,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 05:05:21,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 05:05:21,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 05:05:21,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 05:05:21,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 05:05:21,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 05:05:21,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 05:05:21,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 05:05:21,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 05:05:21,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 05:05:21,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 05:05:21,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 05:05:21,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 05:05:21,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 05:05:21,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 05:05:21,150 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 05:05:21,173 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 05:05:21,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 05:05:21,178 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 05:05:21,178 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 05:05:21,179 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 05:05:21,180 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 05:05:21,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 05:05:21,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 05:05:21,181 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 05:05:21,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 05:05:21,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 05:05:21,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 05:05:21,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 05:05:21,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 05:05:21,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 05:05:21,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 05:05:21,183 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 05:05:21,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 05:05:21,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 05:05:21,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 05:05:21,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 05:05:21,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:05:21,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 05:05:21,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 05:05:21,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 05:05:21,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 05:05:21,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 05:05:21,185 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 05:05:21,185 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 05:05:21,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 05:05:21,185 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 05:05:21,185 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ed3d5c0aeaf7c032926a2347a2cd8f6e5404a73032a43856ee00d265d816a1f [2021-12-16 05:05:21,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 05:05:21,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 05:05:21,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 05:05:21,464 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 05:05:21,465 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 05:05:21,466 INFO L432 ainManager$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 [2021-12-16 05:05:21,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18307c673/9cd4f3e4ed5e454f8716f66e6ad10c77/FLAG3a7b20fd7 [2021-12-16 05:05:22,272 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 05:05:22,272 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 [2021-12-16 05:05:22,322 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18307c673/9cd4f3e4ed5e454f8716f66e6ad10c77/FLAG3a7b20fd7 [2021-12-16 05:05:22,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18307c673/9cd4f3e4ed5e454f8716f66e6ad10c77 [2021-12-16 05:05:22,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 05:05:22,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 05:05:22,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 05:05:22,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 05:05:22,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 05:05:22,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:05:22" (1/1) ... [2021-12-16 05:05:22,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c8e2897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:05:22, skipping insertion in model container [2021-12-16 05:05:22,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:05:22" (1/1) ... [2021-12-16 05:05:22,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 05:05:22,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 05:05:25,069 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] [2021-12-16 05:05:25,074 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] [2021-12-16 05:05:25,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:05:25,152 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 05:05:25,551 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] [2021-12-16 05:05:25,552 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] [2021-12-16 05:05:25,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 05:05:25,697 INFO L208 MainTranslator]: Completed translation [2021-12-16 05:05:25,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:05:25 WrapperNode [2021-12-16 05:05:25,698 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 05:05:25,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 05:05:25,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 05:05:25,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 05:05:25,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:05:25" (1/1) ... [2021-12-16 05:05:25,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:05:25" (1/1) ... [2021-12-16 05:05:25,978 INFO L137 Inliner]: procedures = 411, calls = 1719, calls flagged for inlining = 194, calls inlined = 178, statements flattened = 4161 [2021-12-16 05:05:25,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 05:05:25,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 05:05:25,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 05:05:25,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 05:05:25,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:05:25" (1/1) ... [2021-12-16 05:05:25,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:05:25" (1/1) ... [2021-12-16 05:05:26,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:05:25" (1/1) ... [2021-12-16 05:05:26,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:05:25" (1/1) ... [2021-12-16 05:05:26,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:05:25" (1/1) ... [2021-12-16 05:05:26,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:05:25" (1/1) ... [2021-12-16 05:05:26,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:05:25" (1/1) ... [2021-12-16 05:05:26,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 05:05:26,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 05:05:26,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 05:05:26,241 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 05:05:26,242 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:05:25" (1/1) ... [2021-12-16 05:05:26,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 05:05:26,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 05:05:26,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-16 05:05:26,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-16 05:05:26,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_92 [2021-12-16 05:05:26,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_92 [2021-12-16 05:05:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-16 05:05:26,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-16 05:05:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 05:05:26,318 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 05:05:26,318 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-16 05:05:26,318 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-16 05:05:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-16 05:05:26,319 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-16 05:05:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 05:05:26,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 05:05:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-16 05:05:26,319 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-16 05:05:26,319 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-16 05:05:26,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-16 05:05:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-16 05:05:26,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-16 05:05:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2021-12-16 05:05:26,320 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2021-12-16 05:05:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_poll [2021-12-16 05:05:26,320 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_poll [2021-12-16 05:05:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-16 05:05:26,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-16 05:05:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 05:05:26,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-16 05:05:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-16 05:05:26,321 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-16 05:05:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-16 05:05:26,322 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-16 05:05:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-16 05:05:26,322 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-16 05:05:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 05:05:26,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 05:05:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-16 05:05:26,323 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-16 05:05:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 05:05:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_stop [2021-12-16 05:05:26,323 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_stop [2021-12-16 05:05:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 05:05:26,324 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 05:05:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 05:05:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-16 05:05:26,324 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-16 05:05:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 05:05:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-16 05:05:26,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-16 05:05:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_set_filter_mode [2021-12-16 05:05:26,325 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_set_filter_mode [2021-12-16 05:05:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure phy_write_1bit [2021-12-16 05:05:26,325 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_write_1bit [2021-12-16 05:05:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 05:05:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2021-12-16 05:05:26,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~X~~u16~0~TO~VOID [2021-12-16 05:05:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-16 05:05:26,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-16 05:05:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 05:05:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 05:05:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-16 05:05:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-16 05:05:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-16 05:05:26,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-16 05:05:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-16 05:05:26,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-16 05:05:26,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-16 05:05:26,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-16 05:05:26,329 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-16 05:05:26,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-16 05:05:26,329 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-16 05:05:26,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-16 05:05:26,330 INFO L130 BoogieDeclarations]: Found specification of procedure phy_read_1bit [2021-12-16 05:05:26,330 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_read_1bit [2021-12-16 05:05:26,330 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reset_prepare [2021-12-16 05:05:26,330 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reset_prepare [2021-12-16 05:05:26,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 05:05:26,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-16 05:05:26,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-16 05:05:26,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-16 05:05:26,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-16 05:05:26,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 05:05:26,331 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2021-12-16 05:05:26,331 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2021-12-16 05:05:26,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 05:05:26,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 05:05:26,332 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-16 05:05:26,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-16 05:05:26,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 05:05:26,332 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 05:05:26,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 05:05:26,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-16 05:05:26,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-16 05:05:26,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-16 05:05:26,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-16 05:05:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-16 05:05:26,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-16 05:05:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 05:05:26,334 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 05:05:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-16 05:05:26,335 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-16 05:05:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-16 05:05:26,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-16 05:05:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-16 05:05:26,335 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-16 05:05:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 05:05:26,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 05:05:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_reuse_skb [2021-12-16 05:05:26,336 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_reuse_skb [2021-12-16 05:05:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_open [2021-12-16 05:05:26,336 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_open [2021-12-16 05:05:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 05:05:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 05:05:26,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 05:05:26,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 05:05:26,337 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-16 05:05:26,337 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-16 05:05:26,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_uli526x_board_info [2021-12-16 05:05:26,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_uli526x_board_info [2021-12-16 05:05:26,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-16 05:05:26,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-16 05:05:26,341 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-16 05:05:26,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-16 05:05:26,342 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-16 05:05:26,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-16 05:05:26,343 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-16 05:05:26,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-16 05:05:26,343 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-16 05:05:26,349 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-16 05:05:26,349 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2021-12-16 05:05:26,349 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2021-12-16 05:05:26,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2021-12-16 05:05:26,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_uli526x_cleanup_module_14_2 [2021-12-16 05:05:26,349 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-16 05:05:26,349 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-16 05:05:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 05:05:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-16 05:05:26,350 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-16 05:05:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 05:05:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-16 05:05:26,350 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-16 05:05:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 05:05:26,350 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-16 05:05:26,350 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-16 05:05:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-16 05:05:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-16 05:05:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_resume [2021-12-16 05:05:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_resume [2021-12-16 05:05:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 05:05:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 05:05:26,351 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_interrupt [2021-12-16 05:05:26,351 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_interrupt [2021-12-16 05:05:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2021-12-16 05:05:26,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u8~0~TO~~u16~0 [2021-12-16 05:05:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_remove_one [2021-12-16 05:05:26,352 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_remove_one [2021-12-16 05:05:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2021-12-16 05:05:26,352 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2021-12-16 05:05:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 05:05:26,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 05:05:26,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 05:05:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2021-12-16 05:05:26,353 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2021-12-16 05:05:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_free_rxbuffer [2021-12-16 05:05:26,353 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_free_rxbuffer [2021-12-16 05:05:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 05:05:26,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 05:05:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-16 05:05:26,353 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-16 05:05:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-16 05:05:26,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-16 05:05:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure uli526x_init [2021-12-16 05:05:26,354 INFO L138 BoogieDeclarations]: Found implementation of procedure uli526x_init [2021-12-16 05:05:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 05:05:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-16 05:05:26,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-16 05:05:27,097 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 05:05:27,101 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 05:05:27,453 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 05:05:29,179 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-16 05:05:29,356 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 05:05:29,376 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 05:05:29,376 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 05:05:29,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:05:29 BoogieIcfgContainer [2021-12-16 05:05:29,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 05:05:29,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 05:05:29,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 05:05:29,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 05:05:29,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:05:22" (1/3) ... [2021-12-16 05:05:29,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ee53826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:05:29, skipping insertion in model container [2021-12-16 05:05:29,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:05:25" (2/3) ... [2021-12-16 05:05:29,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ee53826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:05:29, skipping insertion in model container [2021-12-16 05:05:29,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:05:29" (3/3) ... [2021-12-16 05:05:29,391 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14__complex_emg__linux-alloc-spinlock__drivers-net-ethernet-dec-tulip-uli526x.cil.i [2021-12-16 05:05:29,396 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 05:05:29,396 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 05:05:29,450 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 05:05:29,456 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-16 05:05:29,456 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 05:05:29,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 1507 states, 1037 states have (on average 1.296046287367406) internal successors, (1344), 1058 states have internal predecessors, (1344), 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) [2021-12-16 05:05:29,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-12-16 05:05:29,558 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:05:29,560 INFO L514 BasicCegarLoop]: 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] [2021-12-16 05:05:29,560 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 05:05:29,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:05:29,568 INFO L85 PathProgramCache]: Analyzing trace with hash -357466125, now seen corresponding path program 1 times [2021-12-16 05:05:29,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:05:29,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478204044] [2021-12-16 05:05:29,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:05:29,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:05:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:05:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:05:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:05:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:05:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:05:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:05:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:05:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:05:30,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:30,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:05:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-16 05:05:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-16 05:05:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-16 05:05:30,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-16 05:05:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-16 05:05:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:05:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-12-16 05:05:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-16 05:05:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-16 05:05:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-16 05:05:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-16 05:05:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-16 05:05:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:30,502 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 357 trivial. 0 not checked. [2021-12-16 05:05:30,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:05:30,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478204044] [2021-12-16 05:05:30,503 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478204044] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:05:30,504 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:05:30,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:05:30,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895352745] [2021-12-16 05:05:30,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:05:30,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:05:30,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:05:30,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:05:30,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:05:30,543 INFO L87 Difference]: Start difference. First operand has 1507 states, 1037 states have (on average 1.296046287367406) internal successors, (1344), 1058 states have internal predecessors, (1344), 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) [2021-12-16 05:05:35,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:05:35,305 INFO L93 Difference]: Finished difference Result 4674 states and 6702 transitions. [2021-12-16 05:05:35,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 05:05:35,308 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 [2021-12-16 05:05:35,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:05:35,351 INFO L225 Difference]: With dead ends: 4674 [2021-12-16 05:05:35,351 INFO L226 Difference]: Without dead ends: 3107 [2021-12-16 05:05:35,370 INFO L932 BasicCegarLoop]: 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 [2021-12-16 05:05:35,373 INFO L933 BasicCegarLoop]: 2120 mSDtfsCounter, 4146 mSDsluCounter, 2738 mSDsCounter, 0 mSdLazyCounter, 2220 mSolverCounterSat, 2752 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4379 SdHoareTripleChecker+Valid, 4858 SdHoareTripleChecker+Invalid, 4972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2752 IncrementalHoareTripleChecker+Valid, 2220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-16 05:05:35,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4379 Valid, 4858 Invalid, 4972 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2752 Valid, 2220 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-16 05:05:35,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3107 states. [2021-12-16 05:05:35,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3107 to 2841. [2021-12-16 05:05:35,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2841 states, 1987 states have (on average 1.2939104177151484) internal successors, (2571), 2030 states have internal predecessors, (2571), 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) [2021-12-16 05:05:35,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2841 states and 3979 transitions. [2021-12-16 05:05:35,593 INFO L78 Accepts]: Start accepts. Automaton has 2841 states and 3979 transitions. Word has length 185 [2021-12-16 05:05:35,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:05:35,594 INFO L470 AbstractCegarLoop]: Abstraction has 2841 states and 3979 transitions. [2021-12-16 05:05:35,594 INFO L471 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) [2021-12-16 05:05:35,595 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 3979 transitions. [2021-12-16 05:05:35,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-12-16 05:05:35,603 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:05:35,603 INFO L514 BasicCegarLoop]: 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] [2021-12-16 05:05:35,603 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 05:05:35,604 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 05:05:35,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:05:35,604 INFO L85 PathProgramCache]: Analyzing trace with hash -309020092, now seen corresponding path program 1 times [2021-12-16 05:05:35,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:05:35,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472815508] [2021-12-16 05:05:35,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:05:35,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:05:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:05:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:05:35,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:05:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:05:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:05:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:05:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:05:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:05:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:05:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-16 05:05:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-16 05:05:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-16 05:05:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-16 05:05:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-16 05:05:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:05:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-12-16 05:05:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-16 05:05:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-16 05:05:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-16 05:05:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-16 05:05:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 05:05:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:35,985 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2021-12-16 05:05:35,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:05:35,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472815508] [2021-12-16 05:05:35,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472815508] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:05:35,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:05:35,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:05:35,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975802210] [2021-12-16 05:05:35,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:05:35,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:05:35,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:05:35,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:05:35,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:05:35,990 INFO L87 Difference]: Start difference. First operand 2841 states and 3979 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) [2021-12-16 05:05:40,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:05:40,354 INFO L93 Difference]: Finished difference Result 8702 states and 12266 transitions. [2021-12-16 05:05:40,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 05:05:40,355 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 [2021-12-16 05:05:40,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:05:40,393 INFO L225 Difference]: With dead ends: 8702 [2021-12-16 05:05:40,394 INFO L226 Difference]: Without dead ends: 5884 [2021-12-16 05:05:40,409 INFO L932 BasicCegarLoop]: 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 [2021-12-16 05:05:40,411 INFO L933 BasicCegarLoop]: 2026 mSDtfsCounter, 3840 mSDsluCounter, 2659 mSDsCounter, 0 mSdLazyCounter, 2133 mSolverCounterSat, 2508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4046 SdHoareTripleChecker+Valid, 4685 SdHoareTripleChecker+Invalid, 4641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2508 IncrementalHoareTripleChecker+Valid, 2133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-12-16 05:05:40,412 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4046 Valid, 4685 Invalid, 4641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2508 Valid, 2133 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-16 05:05:40,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5884 states. [2021-12-16 05:05:40,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5884 to 5355. [2021-12-16 05:05:40,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5355 states, 3730 states have (on average 1.2943699731903486) internal successors, (4828), 3813 states have internal predecessors, (4828), 1330 states have call successors, (1330), 298 states have call predecessors, (1330), 294 states have return successors, (1338), 1293 states have call predecessors, (1338), 1330 states have call successors, (1338) [2021-12-16 05:05:40,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5355 states to 5355 states and 7496 transitions. [2021-12-16 05:05:40,693 INFO L78 Accepts]: Start accepts. Automaton has 5355 states and 7496 transitions. Word has length 197 [2021-12-16 05:05:40,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:05:40,694 INFO L470 AbstractCegarLoop]: Abstraction has 5355 states and 7496 transitions. [2021-12-16 05:05:40,694 INFO L471 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) [2021-12-16 05:05:40,694 INFO L276 IsEmpty]: Start isEmpty. Operand 5355 states and 7496 transitions. [2021-12-16 05:05:40,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-16 05:05:40,699 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:05:40,700 INFO L514 BasicCegarLoop]: 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] [2021-12-16 05:05:40,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 05:05:40,700 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 05:05:40,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:05:40,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1627556199, now seen corresponding path program 1 times [2021-12-16 05:05:40,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:05:40,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527482661] [2021-12-16 05:05:40,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:05:40,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:05:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:40,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:05:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:40,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:40,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:05:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:40,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:40,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:05:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:40,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:40,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:05:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:40,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:40,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:05:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:41,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:05:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:05:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:05:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:05:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-16 05:05:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-16 05:05:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-16 05:05:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-16 05:05:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-16 05:05:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:05:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-16 05:05:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-16 05:05:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-16 05:05:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-16 05:05:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-16 05:05:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-16 05:05:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:41,163 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2021-12-16 05:05:41,163 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:05:41,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527482661] [2021-12-16 05:05:41,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527482661] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:05:41,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:05:41,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-16 05:05:41,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491993570] [2021-12-16 05:05:41,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:05:41,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-16 05:05:41,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:05:41,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-16 05:05:41,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:05:41,166 INFO L87 Difference]: Start difference. First operand 5355 states and 7496 transitions. Second operand has 8 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 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) [2021-12-16 05:05:48,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:05:48,382 INFO L93 Difference]: Finished difference Result 18732 states and 26346 transitions. [2021-12-16 05:05:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-16 05:05:48,383 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 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 [2021-12-16 05:05:48,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:05:48,473 INFO L225 Difference]: With dead ends: 18732 [2021-12-16 05:05:48,473 INFO L226 Difference]: Without dead ends: 13400 [2021-12-16 05:05:48,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-12-16 05:05:48,509 INFO L933 BasicCegarLoop]: 2812 mSDtfsCounter, 7637 mSDsluCounter, 3774 mSDsCounter, 0 mSdLazyCounter, 4721 mSolverCounterSat, 4535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8043 SdHoareTripleChecker+Valid, 6586 SdHoareTripleChecker+Invalid, 9256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4535 IncrementalHoareTripleChecker+Valid, 4721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-12-16 05:05:48,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8043 Valid, 6586 Invalid, 9256 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4535 Valid, 4721 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-12-16 05:05:48,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13400 states. [2021-12-16 05:05:49,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13400 to 12050. [2021-12-16 05:05:49,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12050 states, 8494 states have (on average 1.3022133270543914) internal successors, (11061), 8654 states have internal predecessors, (11061), 2859 states have call successors, (2859), 705 states have call predecessors, (2859), 696 states have return successors, (2867), 2793 states have call predecessors, (2867), 2859 states have call successors, (2867) [2021-12-16 05:05:49,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12050 states to 12050 states and 16787 transitions. [2021-12-16 05:05:49,205 INFO L78 Accepts]: Start accepts. Automaton has 12050 states and 16787 transitions. Word has length 196 [2021-12-16 05:05:49,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:05:49,206 INFO L470 AbstractCegarLoop]: Abstraction has 12050 states and 16787 transitions. [2021-12-16 05:05:49,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 12.333333333333334) internal successors, (74), 5 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) [2021-12-16 05:05:49,207 INFO L276 IsEmpty]: Start isEmpty. Operand 12050 states and 16787 transitions. [2021-12-16 05:05:49,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-12-16 05:05:49,229 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:05:49,230 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 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] [2021-12-16 05:05:49,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 05:05:49,230 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 05:05:49,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:05:49,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1293553422, now seen corresponding path program 1 times [2021-12-16 05:05:49,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:05:49,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230402410] [2021-12-16 05:05:49,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:05:49,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:05:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:05:49,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:05:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:05:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:05:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:05:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:05:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:05:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:05:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:05:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-16 05:05:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-16 05:05:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-16 05:05:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-16 05:05:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-16 05:05:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-16 05:05:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-16 05:05:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-16 05:05:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-16 05:05:49,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:49,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 05:05:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-16 05:05:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-16 05:05:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 05:05:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-16 05:05:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:05:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-16 05:05:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-16 05:05:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 05:05:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-16 05:05:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-16 05:05:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-16 05:05:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:49,762 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2021-12-16 05:05:49,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:05:49,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230402410] [2021-12-16 05:05:49,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230402410] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:05:49,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:05:49,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:05:49,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60722768] [2021-12-16 05:05:49,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:05:49,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:05:49,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:05:49,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:05:49,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:05:49,765 INFO L87 Difference]: Start difference. First operand 12050 states and 16787 transitions. Second operand has 5 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-16 05:05:54,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:05:54,155 INFO L93 Difference]: Finished difference Result 38764 states and 54900 transitions. [2021-12-16 05:05:54,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 05:05:54,155 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) Word has length 293 [2021-12-16 05:05:54,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:05:54,319 INFO L225 Difference]: With dead ends: 38764 [2021-12-16 05:05:54,319 INFO L226 Difference]: Without dead ends: 26737 [2021-12-16 05:05:54,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-16 05:05:54,474 INFO L933 BasicCegarLoop]: 2809 mSDtfsCounter, 3375 mSDsluCounter, 3245 mSDsCounter, 0 mSdLazyCounter, 2278 mSolverCounterSat, 2319 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3611 SdHoareTripleChecker+Valid, 6054 SdHoareTripleChecker+Invalid, 4597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2319 IncrementalHoareTripleChecker+Valid, 2278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-16 05:05:54,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3611 Valid, 6054 Invalid, 4597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2319 Valid, 2278 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-16 05:05:54,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26737 states. [2021-12-16 05:05:55,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26737 to 24075. [2021-12-16 05:05:55,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24075 states, 16973 states have (on average 1.2904613209214635) internal successors, (21903), 17293 states have internal predecessors, (21903), 5709 states have call successors, (5709), 1410 states have call predecessors, (5709), 1392 states have return successors, (5913), 5577 states have call predecessors, (5913), 5709 states have call successors, (5913) [2021-12-16 05:05:55,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24075 states to 24075 states and 33525 transitions. [2021-12-16 05:05:55,609 INFO L78 Accepts]: Start accepts. Automaton has 24075 states and 33525 transitions. Word has length 293 [2021-12-16 05:05:55,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:05:55,610 INFO L470 AbstractCegarLoop]: Abstraction has 24075 states and 33525 transitions. [2021-12-16 05:05:55,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-16 05:05:55,611 INFO L276 IsEmpty]: Start isEmpty. Operand 24075 states and 33525 transitions. [2021-12-16 05:05:55,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-12-16 05:05:55,628 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:05:55,629 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 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] [2021-12-16 05:05:55,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-16 05:05:55,629 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 05:05:55,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:05:55,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1383613712, now seen corresponding path program 1 times [2021-12-16 05:05:55,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:05:55,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383919124] [2021-12-16 05:05:55,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:05:55,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:05:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:05:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:05:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:05:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:05:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:05:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:05:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:05:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:05:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:05:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-16 05:05:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:55,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-16 05:05:55,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-16 05:05:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-16 05:05:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-16 05:05:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-16 05:05:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-16 05:05:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-16 05:05:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-16 05:05:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 05:05:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-16 05:05:56,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-16 05:05:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 05:05:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-16 05:05:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:05:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-16 05:05:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-16 05:05:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 05:05:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-16 05:05:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-16 05:05:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-16 05:05:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:56,192 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2021-12-16 05:05:56,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:05:56,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383919124] [2021-12-16 05:05:56,193 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383919124] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:05:56,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:05:56,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:05:56,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206473100] [2021-12-16 05:05:56,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:05:56,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:05:56,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:05:56,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:05:56,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:05:56,195 INFO L87 Difference]: Start difference. First operand 24075 states and 33525 transitions. Second operand has 5 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-16 05:05:58,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:05:58,255 INFO L93 Difference]: Finished difference Result 37432 states and 52061 transitions. [2021-12-16 05:05:58,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:05:58,256 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) Word has length 293 [2021-12-16 05:05:58,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:05:58,334 INFO L225 Difference]: With dead ends: 37432 [2021-12-16 05:05:58,334 INFO L226 Difference]: Without dead ends: 13380 [2021-12-16 05:05:58,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:05:58,444 INFO L933 BasicCegarLoop]: 1836 mSDtfsCounter, 2823 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 1548 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3001 SdHoareTripleChecker+Valid, 3230 SdHoareTripleChecker+Invalid, 2284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1548 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-16 05:05:58,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3001 Valid, 3230 Invalid, 2284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1548 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-16 05:05:58,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13380 states. [2021-12-16 05:05:59,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13380 to 12050. [2021-12-16 05:05:59,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12050 states, 8494 states have (on average 1.2767836119613845) internal successors, (10845), 8654 states have internal predecessors, (10845), 2859 states have call successors, (2859), 705 states have call predecessors, (2859), 696 states have return successors, (2867), 2793 states have call predecessors, (2867), 2859 states have call successors, (2867) [2021-12-16 05:05:59,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12050 states to 12050 states and 16571 transitions. [2021-12-16 05:05:59,121 INFO L78 Accepts]: Start accepts. Automaton has 12050 states and 16571 transitions. Word has length 293 [2021-12-16 05:05:59,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:05:59,121 INFO L470 AbstractCegarLoop]: Abstraction has 12050 states and 16571 transitions. [2021-12-16 05:05:59,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-16 05:05:59,122 INFO L276 IsEmpty]: Start isEmpty. Operand 12050 states and 16571 transitions. [2021-12-16 05:05:59,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-12-16 05:05:59,133 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:05:59,133 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 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] [2021-12-16 05:05:59,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-16 05:05:59,134 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 05:05:59,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:05:59,134 INFO L85 PathProgramCache]: Analyzing trace with hash 693782222, now seen corresponding path program 1 times [2021-12-16 05:05:59,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:05:59,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542115265] [2021-12-16 05:05:59,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:05:59,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:05:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:05:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:05:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:05:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:05:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:05:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:05:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:05:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:05:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:05:59,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-16 05:05:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-16 05:05:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-12-16 05:05:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-16 05:05:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-16 05:05:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-16 05:05:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-16 05:05:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-16 05:05:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-16 05:05:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:05:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-16 05:05:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-16 05:05:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-16 05:05:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-16 05:05:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-16 05:05:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:05:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-16 05:05:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-16 05:05:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-16 05:05:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-16 05:05:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-16 05:05:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-16 05:05:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:05:59,608 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2021-12-16 05:05:59,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:05:59,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542115265] [2021-12-16 05:05:59,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542115265] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:05:59,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:05:59,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:05:59,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688579689] [2021-12-16 05:05:59,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:05:59,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:05:59,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:05:59,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:05:59,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:05:59,613 INFO L87 Difference]: Start difference. First operand 12050 states and 16571 transitions. Second operand has 5 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-16 05:06:01,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:06:01,495 INFO L93 Difference]: Finished difference Result 25395 states and 35083 transitions. [2021-12-16 05:06:01,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-16 05:06:01,497 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) Word has length 293 [2021-12-16 05:06:01,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:06:01,562 INFO L225 Difference]: With dead ends: 25395 [2021-12-16 05:06:01,562 INFO L226 Difference]: Without dead ends: 13368 [2021-12-16 05:06:01,604 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-16 05:06:01,605 INFO L933 BasicCegarLoop]: 1821 mSDtfsCounter, 2820 mSDsluCounter, 1374 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 1560 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2998 SdHoareTripleChecker+Valid, 3195 SdHoareTripleChecker+Invalid, 2305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1560 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-16 05:06:01,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2998 Valid, 3195 Invalid, 2305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1560 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-16 05:06:01,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13368 states. [2021-12-16 05:06:02,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13368 to 12038. [2021-12-16 05:06:02,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12038 states, 8482 states have (on average 1.2715161518509785) internal successors, (10785), 8642 states have internal predecessors, (10785), 2859 states have call successors, (2859), 705 states have call predecessors, (2859), 696 states have return successors, (2867), 2793 states have call predecessors, (2867), 2859 states have call successors, (2867) [2021-12-16 05:06:02,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12038 states to 12038 states and 16511 transitions. [2021-12-16 05:06:02,220 INFO L78 Accepts]: Start accepts. Automaton has 12038 states and 16511 transitions. Word has length 293 [2021-12-16 05:06:02,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:06:02,221 INFO L470 AbstractCegarLoop]: Abstraction has 12038 states and 16511 transitions. [2021-12-16 05:06:02,221 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.75) internal successors, (119), 3 states have internal predecessors, (119), 4 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-16 05:06:02,221 INFO L276 IsEmpty]: Start isEmpty. Operand 12038 states and 16511 transitions. [2021-12-16 05:06:02,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-12-16 05:06:02,233 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:06:02,233 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 9, 9, 9, 9, 9, 9, 5, 5, 5, 3, 3, 3, 3, 3, 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] [2021-12-16 05:06:02,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-16 05:06:02,234 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 05:06:02,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:06:02,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1379355104, now seen corresponding path program 1 times [2021-12-16 05:06:02,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:06:02,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807387881] [2021-12-16 05:06:02,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:06:02,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:06:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:06:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:06:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:06:02,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:06:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:06:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:06:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:06:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:06:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:06:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-16 05:06:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-16 05:06:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-16 05:06:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-16 05:06:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:06:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 05:06:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-16 05:06:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-16 05:06:02,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-12-16 05:06:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-12-16 05:06:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-16 05:06:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-16 05:06:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-16 05:06:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-16 05:06:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:06:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-16 05:06:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-16 05:06:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-16 05:06:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-16 05:06:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-16 05:06:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-16 05:06:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:02,843 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2021-12-16 05:06:02,843 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:06:02,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807387881] [2021-12-16 05:06:02,844 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807387881] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:06:02,844 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:06:02,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:06:02,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160850027] [2021-12-16 05:06:02,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:06:02,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:06:02,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:06:02,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:06:02,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:06:02,846 INFO L87 Difference]: Start difference. First operand 12038 states and 16511 transitions. Second operand has 5 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) [2021-12-16 05:06:06,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 05:06:06,377 INFO L93 Difference]: Finished difference Result 29073 states and 40103 transitions. [2021-12-16 05:06:06,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-16 05:06:06,378 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) Word has length 296 [2021-12-16 05:06:06,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 05:06:06,464 INFO L225 Difference]: With dead ends: 29073 [2021-12-16 05:06:06,465 INFO L226 Difference]: Without dead ends: 17058 [2021-12-16 05:06:06,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-16 05:06:06,511 INFO L933 BasicCegarLoop]: 2981 mSDtfsCounter, 2336 mSDsluCounter, 3461 mSDsCounter, 0 mSdLazyCounter, 2048 mSolverCounterSat, 1654 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2487 SdHoareTripleChecker+Valid, 6442 SdHoareTripleChecker+Invalid, 3702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1654 IncrementalHoareTripleChecker+Valid, 2048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-16 05:06:06,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2487 Valid, 6442 Invalid, 3702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1654 Valid, 2048 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-16 05:06:06,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17058 states. [2021-12-16 05:06:07,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17058 to 15319. [2021-12-16 05:06:07,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15319 states, 10819 states have (on average 1.272576023662076) internal successors, (13768), 11017 states have internal predecessors, (13768), 3605 states have call successors, (3605), 903 states have call predecessors, (3605), 894 states have return successors, (3613), 3527 states have call predecessors, (3613), 3605 states have call successors, (3613) [2021-12-16 05:06:07,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15319 states to 15319 states and 20986 transitions. [2021-12-16 05:06:07,241 INFO L78 Accepts]: Start accepts. Automaton has 15319 states and 20986 transitions. Word has length 296 [2021-12-16 05:06:07,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 05:06:07,242 INFO L470 AbstractCegarLoop]: Abstraction has 15319 states and 20986 transitions. [2021-12-16 05:06:07,242 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.5) internal successors, (130), 3 states have internal predecessors, (130), 4 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (33), 3 states have call predecessors, (33), 4 states have call successors, (33) [2021-12-16 05:06:07,242 INFO L276 IsEmpty]: Start isEmpty. Operand 15319 states and 20986 transitions. [2021-12-16 05:06:07,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-12-16 05:06:07,363 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 05:06:07,364 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 05:06:07,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-16 05:06:07,364 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 05:06:07,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 05:06:07,364 INFO L85 PathProgramCache]: Analyzing trace with hash -132410342, now seen corresponding path program 1 times [2021-12-16 05:06:07,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 05:06:07,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008208623] [2021-12-16 05:06:07,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 05:06:07,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 05:06:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 05:06:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 05:06:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 05:06:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 05:06:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 05:06:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 05:06:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 05:06:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 05:06:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 05:06:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-16 05:06:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-16 05:06:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-16 05:06:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-16 05:06:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 05:06:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-16 05:06:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-16 05:06:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-16 05:06:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-16 05:06:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:06:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:06:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-16 05:06:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 05:06:07,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-16 05:06:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-16 05:06:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-16 05:06:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-16 05:06:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 05:06:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-16 05:06:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-16 05:06:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-16 05:06:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-16 05:06:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-16 05:06:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-16 05:06:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-16 05:06:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-16 05:06:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-16 05:06:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-16 05:06:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2021-12-16 05:06:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2021-12-16 05:06:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 05:06:07,896 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 794 trivial. 0 not checked. [2021-12-16 05:06:07,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 05:06:07,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008208623] [2021-12-16 05:06:07,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008208623] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 05:06:07,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 05:06:07,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 05:06:07,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489680443] [2021-12-16 05:06:07,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 05:06:07,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 05:06:07,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 05:06:07,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 05:06:07,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-16 05:06:07,901 INFO L87 Difference]: Start difference. First operand 15319 states and 20986 transitions. Second operand has 5 states, 4 states have (on average 40.25) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (45), 4 states have call predecessors, (45), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39)