./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.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 3760bd11965082d9ea48923d727f263a9d5646ba9eaff63a7884fbc3852defe0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:21:11,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:21:11,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:21:11,115 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:21:11,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:21:11,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:21:11,119 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:21:11,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:21:11,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:21:11,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:21:11,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:21:11,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:21:11,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:21:11,132 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:21:11,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:21:11,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:21:11,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:21:11,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:21:11,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:21:11,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:21:11,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:21:11,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:21:11,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:21:11,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:21:11,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:21:11,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:21:11,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:21:11,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:21:11,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:21:11,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:21:11,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:21:11,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:21:11,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:21:11,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:21:11,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:21:11,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:21:11,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:21:11,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:21:11,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:21:11,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:21:11,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:21:11,172 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:21:11,197 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:21:11,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:21:11,198 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:21:11,198 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:21:11,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:21:11,199 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:21:11,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:21:11,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:21:11,200 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:21:11,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:21:11,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:21:11,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:21:11,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:21:11,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:21:11,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:21:11,202 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:21:11,202 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:21:11,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:21:11,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:21:11,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:21:11,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:21:11,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:21:11,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:21:11,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:21:11,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:21:11,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:21:11,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:21:11,205 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:21:11,205 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:21:11,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:21:11,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:21:11,206 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3760bd11965082d9ea48923d727f263a9d5646ba9eaff63a7884fbc3852defe0 [2021-12-22 15:21:11,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:21:11,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:21:11,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:21:11,486 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:21:11,487 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:21:11,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2021-12-22 15:21:11,558 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/128f20d0f/0c1d0718a1fb4482a4cf9d190b38af4c/FLAG191aa11d5 [2021-12-22 15:21:12,391 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:21:12,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2021-12-22 15:21:12,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/128f20d0f/0c1d0718a1fb4482a4cf9d190b38af4c/FLAG191aa11d5 [2021-12-22 15:21:12,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/128f20d0f/0c1d0718a1fb4482a4cf9d190b38af4c [2021-12-22 15:21:12,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:21:12,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:21:12,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:21:12,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:21:12,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:21:12,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:21:12" (1/1) ... [2021-12-22 15:21:12,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@375136c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:12, skipping insertion in model container [2021-12-22 15:21:12,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:21:12" (1/1) ... [2021-12-22 15:21:12,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:21:12,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:21:14,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[328915,328928] [2021-12-22 15:21:14,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[329060,329073] [2021-12-22 15:21:14,869 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:21:14,923 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:21:15,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[328915,328928] [2021-12-22 15:21:15,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i[329060,329073] [2021-12-22 15:21:15,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:21:15,402 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:21:15,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:15 WrapperNode [2021-12-22 15:21:15,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:21:15,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:21:15,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:21:15,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:21:15,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:15" (1/1) ... [2021-12-22 15:21:15,517 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:15" (1/1) ... [2021-12-22 15:21:15,677 INFO L137 Inliner]: procedures = 434, calls = 2034, calls flagged for inlining = 218, calls inlined = 203, statements flattened = 4923 [2021-12-22 15:21:15,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:21:15,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:21:15,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:21:15,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:21:15,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:15" (1/1) ... [2021-12-22 15:21:15,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:15" (1/1) ... [2021-12-22 15:21:15,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:15" (1/1) ... [2021-12-22 15:21:15,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:15" (1/1) ... [2021-12-22 15:21:15,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:15" (1/1) ... [2021-12-22 15:21:15,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:15" (1/1) ... [2021-12-22 15:21:15,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:15" (1/1) ... [2021-12-22 15:21:15,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:21:15,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:21:15,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:21:15,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:21:15,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:15" (1/1) ... [2021-12-22 15:21:15,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:21:15,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:21:15,912 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) [2021-12-22 15:21:15,939 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 [2021-12-22 15:21:15,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:21:15,955 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:21:15,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:21:15,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:21:15,955 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-22 15:21:15,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-22 15:21:15,955 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2021-12-22 15:21:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2021-12-22 15:21:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:21:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:21:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:21:15,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:21:15,956 INFO L130 BoogieDeclarations]: Found specification of procedure w840_remove1 [2021-12-22 15:21:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure w840_remove1 [2021-12-22 15:21:15,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_88 [2021-12-22 15:21:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_88 [2021-12-22 15:21:15,957 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-22 15:21:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-22 15:21:15,957 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:21:15,957 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:21:15,958 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-22 15:21:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-22 15:21:15,958 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-22 15:21:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-22 15:21:15,958 INFO L130 BoogieDeclarations]: Found specification of procedure update_link [2021-12-22 15:21:15,958 INFO L138 BoogieDeclarations]: Found implementation of procedure update_link [2021-12-22 15:21:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:21:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:21:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:21:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:21:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:21:15,959 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:21:15,959 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-22 15:21:15,960 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-22 15:21:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:21:15,960 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:21:15,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:21:15,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:21:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2021-12-22 15:21:15,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2021-12-22 15:21:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-22 15:21:15,961 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-22 15:21:15,961 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-22 15:21:15,962 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-22 15:21:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:21:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-12-22 15:21:15,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-12-22 15:21:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-22 15:21:15,962 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-22 15:21:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:21:15,963 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:21:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 15:21:15,963 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 15:21:15,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:21:15,964 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:21:15,965 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:21:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:21:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:21:15,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:21:15,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:21:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-22 15:21:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-22 15:21:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:21:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:21:15,966 INFO L130 BoogieDeclarations]: Found specification of procedure init_rxtx_rings [2021-12-22 15:21:15,966 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rxtx_rings [2021-12-22 15:21:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:21:15,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:21:15,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:21:15,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:21:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:21:15,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:21:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:21:15,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:21:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2021-12-22 15:21:15,968 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2021-12-22 15:21:15,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:21:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:21:15,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:21:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:21:15,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:21:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:21:15,969 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2021-12-22 15:21:15,970 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2021-12-22 15:21:15,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:21:15,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:21:15,970 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:21:15,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:21:15,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:21:15,971 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 15:21:15,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:21:15,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:21:15,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:21:15,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:21:15,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-22 15:21:15,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-22 15:21:15,972 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 15:21:15,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 15:21:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:21:15,973 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:21:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-22 15:21:15,973 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-22 15:21:15,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:21:15,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:21:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure update_csr6 [2021-12-22 15:21:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure update_csr6 [2021-12-22 15:21:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure w840_resume [2021-12-22 15:21:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure w840_resume [2021-12-22 15:21:15,974 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2021-12-22 15:21:15,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2021-12-22 15:21:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:21:15,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:21:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:21:15,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:21:15,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:21:15,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:21:15,977 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2021-12-22 15:21:15,978 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2021-12-22 15:21:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-22 15:21:15,979 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-22 15:21:15,980 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-22 15:21:15,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:21:15,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:21:15,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2021-12-22 15:21:15,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2021-12-22 15:21:15,982 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-22 15:21:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-22 15:21:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:21:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:21:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2021-12-22 15:21:15,987 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2021-12-22 15:21:15,987 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:21:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:21:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:21:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:21:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:21:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:21:15,988 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:21:15,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:21:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-22 15:21:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-22 15:21:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_87 [2021-12-22 15:21:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_87 [2021-12-22 15:21:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:21:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:21:15,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:21:15,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2021-12-22 15:21:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2021-12-22 15:21:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:21:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:21:15,990 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2021-12-22 15:21:15,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2021-12-22 15:21:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2021-12-22 15:21:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2021-12-22 15:21:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:21:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:21:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:21:15,991 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:21:15,991 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-22 15:21:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-22 15:21:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:21:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:21:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:21:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:21:15,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:21:15,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_95 [2021-12-22 15:21:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_95 [2021-12-22 15:21:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2021-12-22 15:21:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2021-12-22 15:21:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 15:21:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 15:21:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-22 15:21:15,993 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-22 15:21:15,993 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-22 15:21:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-22 15:21:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:21:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:21:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-22 15:21:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-22 15:21:15,994 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 15:21:15,994 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 15:21:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure free_rxtx_rings [2021-12-22 15:21:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rxtx_rings [2021-12-22 15:21:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:21:15,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:21:15,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:21:16,739 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:21:16,743 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:21:17,071 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:21:19,233 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:21:19,310 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:21:19,323 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:21:19,323 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-22 15:21:19,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:21:19 BoogieIcfgContainer [2021-12-22 15:21:19,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:21:19,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:21:19,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:21:19,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:21:19,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:21:12" (1/3) ... [2021-12-22 15:21:19,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49656826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:21:19, skipping insertion in model container [2021-12-22 15:21:19,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:21:15" (2/3) ... [2021-12-22 15:21:19,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49656826 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:21:19, skipping insertion in model container [2021-12-22 15:21:19,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:21:19" (3/3) ... [2021-12-22 15:21:19,333 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2021-12-22 15:21:19,337 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:21:19,337 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 15:21:19,379 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:21:19,384 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 [2021-12-22 15:21:19,385 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 15:21:19,423 INFO L276 IsEmpty]: Start isEmpty. Operand has 1675 states, 1150 states have (on average 1.2860869565217392) internal successors, (1479), 1172 states have internal predecessors, (1479), 441 states have call successors, (441), 84 states have call predecessors, (441), 83 states have return successors, (436), 432 states have call predecessors, (436), 436 states have call successors, (436) [2021-12-22 15:21:19,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-12-22 15:21:19,447 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:21:19,447 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:21:19,448 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:21:19,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:21:19,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1902264864, now seen corresponding path program 1 times [2021-12-22 15:21:19,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:21:19,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121436127] [2021-12-22 15:21:19,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:21:19,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:21:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:21:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:20,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:21:20,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:21:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:21:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:21:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:21:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:21:20,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:21:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:20,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:21:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-22 15:21:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-22 15:21:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:21:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-22 15:21:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 15:21:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-22 15:21:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-22 15:21:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:20,501 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-12-22 15:21:20,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:21:20,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121436127] [2021-12-22 15:21:20,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121436127] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:21:20,503 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:21:20,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:21:20,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90319169] [2021-12-22 15:21:20,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:21:20,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:21:20,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:21:20,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:21:20,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:21:20,544 INFO L87 Difference]: Start difference. First operand has 1675 states, 1150 states have (on average 1.2860869565217392) internal successors, (1479), 1172 states have internal predecessors, (1479), 441 states have call successors, (441), 84 states have call predecessors, (441), 83 states have return successors, (436), 432 states have call predecessors, (436), 436 states have call successors, (436) Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-22 15:21:23,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:21:23,606 INFO L93 Difference]: Finished difference Result 4691 states and 6643 transitions. [2021-12-22 15:21:23,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:21:23,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 161 [2021-12-22 15:21:23,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:21:23,643 INFO L225 Difference]: With dead ends: 4691 [2021-12-22 15:21:23,643 INFO L226 Difference]: Without dead ends: 2969 [2021-12-22 15:21:23,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:21:23,663 INFO L933 BasicCegarLoop]: 2505 mSDtfsCounter, 2397 mSDsluCounter, 2684 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 1167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2741 SdHoareTripleChecker+Valid, 5189 SdHoareTripleChecker+Invalid, 2550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1167 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:21:23,663 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2741 Valid, 5189 Invalid, 2550 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1167 Valid, 1383 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2021-12-22 15:21:23,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2969 states. [2021-12-22 15:21:23,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2969 to 2907. [2021-12-22 15:21:23,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 1994 states have (on average 1.2562688064192578) internal successors, (2505), 2032 states have internal predecessors, (2505), 751 states have call successors, (751), 160 states have call predecessors, (751), 161 states have return successors, (759), 740 states have call predecessors, (759), 751 states have call successors, (759) [2021-12-22 15:21:23,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4015 transitions. [2021-12-22 15:21:23,937 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4015 transitions. Word has length 161 [2021-12-22 15:21:23,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:21:23,940 INFO L470 AbstractCegarLoop]: Abstraction has 2907 states and 4015 transitions. [2021-12-22 15:21:23,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2021-12-22 15:21:23,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4015 transitions. [2021-12-22 15:21:23,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-12-22 15:21:23,958 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:21:23,958 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 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] [2021-12-22 15:21:23,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:21:23,959 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:21:23,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:21:23,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1778690404, now seen corresponding path program 1 times [2021-12-22 15:21:23,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:21:23,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413227332] [2021-12-22 15:21:23,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:21:23,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:21:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:21:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:21:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:21:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:21:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:21:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:21:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:21:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:21:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:21:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-22 15:21:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-22 15:21:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 15:21:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-22 15:21:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:21:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:21:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-22 15:21:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-22 15:21:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:21:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-22 15:21:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-22 15:21:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:24,383 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-12-22 15:21:24,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:21:24,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413227332] [2021-12-22 15:21:24,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413227332] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:21:24,384 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:21:24,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:21:24,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261130666] [2021-12-22 15:21:24,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:21:24,386 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:21:24,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:21:24,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:21:24,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:21:24,387 INFO L87 Difference]: Start difference. First operand 2907 states and 4015 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 4 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-22 15:21:30,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:21:30,659 INFO L93 Difference]: Finished difference Result 8709 states and 12111 transitions. [2021-12-22 15:21:30,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-22 15:21:30,660 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 4 states have call successors, (26), 5 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 196 [2021-12-22 15:21:30,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:21:30,695 INFO L225 Difference]: With dead ends: 8709 [2021-12-22 15:21:30,696 INFO L226 Difference]: Without dead ends: 5823 [2021-12-22 15:21:30,709 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-22 15:21:30,710 INFO L933 BasicCegarLoop]: 2256 mSDtfsCounter, 4567 mSDsluCounter, 4001 mSDsCounter, 0 mSdLazyCounter, 3275 mSolverCounterSat, 3769 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4828 SdHoareTripleChecker+Valid, 6257 SdHoareTripleChecker+Invalid, 7044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3769 IncrementalHoareTripleChecker+Valid, 3275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-12-22 15:21:30,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4828 Valid, 6257 Invalid, 7044 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3769 Valid, 3275 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-12-22 15:21:30,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5823 states. [2021-12-22 15:21:30,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5823 to 5349. [2021-12-22 15:21:30,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5349 states, 3640 states have (on average 1.2521978021978022) internal successors, (4558), 3714 states have internal predecessors, (4558), 1392 states have call successors, (1392), 316 states have call predecessors, (1392), 316 states have return successors, (1408), 1366 states have call predecessors, (1408), 1392 states have call successors, (1408) [2021-12-22 15:21:30,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5349 states to 5349 states and 7358 transitions. [2021-12-22 15:21:30,990 INFO L78 Accepts]: Start accepts. Automaton has 5349 states and 7358 transitions. Word has length 196 [2021-12-22 15:21:30,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:21:30,992 INFO L470 AbstractCegarLoop]: Abstraction has 5349 states and 7358 transitions. [2021-12-22 15:21:30,992 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 4 states have call successors, (26), 5 states have call predecessors, (26), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-22 15:21:30,992 INFO L276 IsEmpty]: Start isEmpty. Operand 5349 states and 7358 transitions. [2021-12-22 15:21:31,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-12-22 15:21:31,002 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:21:31,002 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 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] [2021-12-22 15:21:31,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 15:21:31,003 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:21:31,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:21:31,004 INFO L85 PathProgramCache]: Analyzing trace with hash 2034596458, now seen corresponding path program 1 times [2021-12-22 15:21:31,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:21:31,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003336635] [2021-12-22 15:21:31,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:21:31,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:21:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:21:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:21:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:21:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:21:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:21:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:21:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:21:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:21:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:21:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-22 15:21:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-22 15:21:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-22 15:21:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-22 15:21:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:21:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:21:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-22 15:21:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-22 15:21:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 15:21:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-12-22 15:21:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-22 15:21:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:31,373 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2021-12-22 15:21:31,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:21:31,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003336635] [2021-12-22 15:21:31,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003336635] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:21:31,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:21:31,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:21:31,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64226754] [2021-12-22 15:21:31,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:21:31,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:21:31,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:21:31,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:21:31,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:21:31,376 INFO L87 Difference]: Start difference. First operand 5349 states and 7358 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 4 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-22 15:21:36,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:21:36,349 INFO L93 Difference]: Finished difference Result 13948 states and 19287 transitions. [2021-12-22 15:21:36,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-22 15:21:36,350 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 4 states have call successors, (27), 5 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 190 [2021-12-22 15:21:36,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:21:36,396 INFO L225 Difference]: With dead ends: 13948 [2021-12-22 15:21:36,397 INFO L226 Difference]: Without dead ends: 8620 [2021-12-22 15:21:36,418 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-22 15:21:36,420 INFO L933 BasicCegarLoop]: 2595 mSDtfsCounter, 3392 mSDsluCounter, 4453 mSDsCounter, 0 mSdLazyCounter, 3049 mSolverCounterSat, 2691 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3567 SdHoareTripleChecker+Valid, 7048 SdHoareTripleChecker+Invalid, 5740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2691 IncrementalHoareTripleChecker+Valid, 3049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:21:36,420 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3567 Valid, 7048 Invalid, 5740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2691 Valid, 3049 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-12-22 15:21:36,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8620 states. [2021-12-22 15:21:36,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8620 to 8010. [2021-12-22 15:21:36,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8010 states, 5534 states have (on average 1.2573183953740512) internal successors, (6958), 5641 states have internal predecessors, (6958), 1982 states have call successors, (1982), 493 states have call predecessors, (1982), 493 states have return successors, (1998), 1952 states have call predecessors, (1998), 1982 states have call successors, (1998) [2021-12-22 15:21:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8010 states to 8010 states and 10938 transitions. [2021-12-22 15:21:36,788 INFO L78 Accepts]: Start accepts. Automaton has 8010 states and 10938 transitions. Word has length 190 [2021-12-22 15:21:36,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:21:36,789 INFO L470 AbstractCegarLoop]: Abstraction has 8010 states and 10938 transitions. [2021-12-22 15:21:36,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 4 states have call successors, (27), 5 states have call predecessors, (27), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-22 15:21:36,791 INFO L276 IsEmpty]: Start isEmpty. Operand 8010 states and 10938 transitions. [2021-12-22 15:21:36,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-22 15:21:36,798 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:21:36,798 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 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] [2021-12-22 15:21:36,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 15:21:36,799 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:21:36,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:21:36,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1176392145, now seen corresponding path program 1 times [2021-12-22 15:21:36,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:21:36,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482300036] [2021-12-22 15:21:36,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:21:36,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:21:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:36,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:21:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:36,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:36,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:21:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:36,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:36,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:21:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:36,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:36,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:21:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:21:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:21:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:21:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:21:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:21:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 15:21:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 15:21:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 15:21:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 15:21:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-22 15:21:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:37,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:21:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-22 15:21:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-22 15:21:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-22 15:21:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-22 15:21:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-22 15:21:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:21:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:21:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-22 15:21:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2021-12-22 15:21:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-22 15:21:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-22 15:21:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-22 15:21:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:37,254 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2021-12-22 15:21:37,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:21:37,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482300036] [2021-12-22 15:21:37,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482300036] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:21:37,255 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:21:37,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:21:37,256 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404216070] [2021-12-22 15:21:37,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:21:37,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:21:37,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:21:37,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:21:37,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:21:37,259 INFO L87 Difference]: Start difference. First operand 8010 states and 10938 transitions. Second operand has 6 states, 6 states have (on average 17.5) internal successors, (105), 3 states have internal predecessors, (105), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2021-12-22 15:21:42,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:21:42,368 INFO L93 Difference]: Finished difference Result 19433 states and 26676 transitions. [2021-12-22 15:21:42,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-22 15:21:42,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 3 states have internal predecessors, (105), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 250 [2021-12-22 15:21:42,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:21:42,430 INFO L225 Difference]: With dead ends: 19433 [2021-12-22 15:21:42,430 INFO L226 Difference]: Without dead ends: 11444 [2021-12-22 15:21:42,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-22 15:21:42,458 INFO L933 BasicCegarLoop]: 3248 mSDtfsCounter, 2733 mSDsluCounter, 5321 mSDsCounter, 0 mSdLazyCounter, 3179 mSolverCounterSat, 2325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2911 SdHoareTripleChecker+Valid, 8569 SdHoareTripleChecker+Invalid, 5504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2325 IncrementalHoareTripleChecker+Valid, 3179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-22 15:21:42,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2911 Valid, 8569 Invalid, 5504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2325 Valid, 3179 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-22 15:21:42,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11444 states. [2021-12-22 15:21:42,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11444 to 10698. [2021-12-22 15:21:42,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10698 states, 7438 states have (on average 1.259478354396343) internal successors, (9368), 7578 states have internal predecessors, (9368), 2584 states have call successors, (2584), 675 states have call predecessors, (2584), 675 states have return successors, (2600), 2550 states have call predecessors, (2600), 2584 states have call successors, (2600) [2021-12-22 15:21:42,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10698 states to 10698 states and 14552 transitions. [2021-12-22 15:21:42,893 INFO L78 Accepts]: Start accepts. Automaton has 10698 states and 14552 transitions. Word has length 250 [2021-12-22 15:21:42,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:21:42,895 INFO L470 AbstractCegarLoop]: Abstraction has 10698 states and 14552 transitions. [2021-12-22 15:21:42,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.5) internal successors, (105), 3 states have internal predecessors, (105), 4 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2021-12-22 15:21:42,895 INFO L276 IsEmpty]: Start isEmpty. Operand 10698 states and 14552 transitions. [2021-12-22 15:21:42,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-12-22 15:21:42,904 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:21:42,904 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 15:21:42,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 15:21:42,905 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:21:42,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:21:42,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1437905855, now seen corresponding path program 1 times [2021-12-22 15:21:42,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:21:42,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204373446] [2021-12-22 15:21:42,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:21:42,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:21:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:21:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:21:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:21:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:21:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:21:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:21:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:21:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:21:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:21:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 15:21:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 15:21:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 15:21:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 15:21:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-22 15:21:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:21:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-22 15:21:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 15:21:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:21:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:21:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-22 15:21:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:21:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:21:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-22 15:21:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-22 15:21:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-22 15:21:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-22 15:21:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-22 15:21:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-22 15:21:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:21:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:21:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-22 15:21:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-22 15:21:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-22 15:21:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-22 15:21:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-22 15:21:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:43,440 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2021-12-22 15:21:43,440 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:21:43,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204373446] [2021-12-22 15:21:43,441 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204373446] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:21:43,441 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:21:43,441 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:21:43,441 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816656655] [2021-12-22 15:21:43,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:21:43,442 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:21:43,442 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:21:43,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:21:43,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:21:43,443 INFO L87 Difference]: Start difference. First operand 10698 states and 14552 transitions. Second operand has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-22 15:21:48,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:21:48,393 INFO L93 Difference]: Finished difference Result 24910 states and 34041 transitions. [2021-12-22 15:21:48,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-22 15:21:48,403 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 324 [2021-12-22 15:21:48,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:21:48,467 INFO L225 Difference]: With dead ends: 24910 [2021-12-22 15:21:48,467 INFO L226 Difference]: Without dead ends: 14233 [2021-12-22 15:21:48,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-22 15:21:48,512 INFO L933 BasicCegarLoop]: 3256 mSDtfsCounter, 2728 mSDsluCounter, 5343 mSDsCounter, 0 mSdLazyCounter, 3159 mSolverCounterSat, 2300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2906 SdHoareTripleChecker+Valid, 8599 SdHoareTripleChecker+Invalid, 5459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2300 IncrementalHoareTripleChecker+Valid, 3159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-22 15:21:48,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2906 Valid, 8599 Invalid, 5459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2300 Valid, 3159 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-22 15:21:48,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14233 states. [2021-12-22 15:21:49,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14233 to 13351. [2021-12-22 15:21:49,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13351 states, 9320 states have (on average 1.2613733905579398) internal successors, (11756), 9493 states have internal predecessors, (11756), 3174 states have call successors, (3174), 856 states have call predecessors, (3174), 856 states have return successors, (3190), 3136 states have call predecessors, (3190), 3174 states have call successors, (3190) [2021-12-22 15:21:49,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13351 states to 13351 states and 18120 transitions. [2021-12-22 15:21:49,138 INFO L78 Accepts]: Start accepts. Automaton has 13351 states and 18120 transitions. Word has length 324 [2021-12-22 15:21:49,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:21:49,139 INFO L470 AbstractCegarLoop]: Abstraction has 13351 states and 18120 transitions. [2021-12-22 15:21:49,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-22 15:21:49,139 INFO L276 IsEmpty]: Start isEmpty. Operand 13351 states and 18120 transitions. [2021-12-22 15:21:49,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-12-22 15:21:49,149 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:21:49,149 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 9, 9, 9, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 15:21:49,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 15:21:49,150 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:21:49,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:21:49,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1826020543, now seen corresponding path program 1 times [2021-12-22 15:21:49,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:21:49,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485405463] [2021-12-22 15:21:49,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:21:49,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:21:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:21:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:21:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:21:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:21:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:21:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:21:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:21:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:49,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:21:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:21:49,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 15:21:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 15:21:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 15:21:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 15:21:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-22 15:21:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:21:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-22 15:21:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 15:21:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:21:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:21:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-22 15:21:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:21:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:21:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-22 15:21:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-22 15:21:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-22 15:21:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-22 15:21:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-22 15:21:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-22 15:21:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:21:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:21:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-22 15:21:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-22 15:21:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-22 15:21:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-12-22 15:21:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-22 15:21:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:49,625 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2021-12-22 15:21:49,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:21:49,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485405463] [2021-12-22 15:21:49,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485405463] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:21:49,626 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:21:49,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:21:49,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135360896] [2021-12-22 15:21:49,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:21:49,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:21:49,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:21:49,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:21:49,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:21:49,628 INFO L87 Difference]: Start difference. First operand 13351 states and 18120 transitions. Second operand has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-22 15:21:54,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:21:54,662 INFO L93 Difference]: Finished difference Result 31053 states and 42332 transitions. [2021-12-22 15:21:54,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-22 15:21:54,663 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 324 [2021-12-22 15:21:54,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:21:54,740 INFO L225 Difference]: With dead ends: 31053 [2021-12-22 15:21:54,740 INFO L226 Difference]: Without dead ends: 17723 [2021-12-22 15:21:54,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-22 15:21:54,782 INFO L933 BasicCegarLoop]: 3366 mSDtfsCounter, 3042 mSDsluCounter, 5284 mSDsCounter, 0 mSdLazyCounter, 3256 mSolverCounterSat, 2381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3267 SdHoareTripleChecker+Valid, 8650 SdHoareTripleChecker+Invalid, 5637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2381 IncrementalHoareTripleChecker+Valid, 3256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-22 15:21:54,782 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3267 Valid, 8650 Invalid, 5637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2381 Valid, 3256 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-12-22 15:21:54,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17723 states. [2021-12-22 15:21:55,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17723 to 16589. [2021-12-22 15:21:55,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16589 states, 11619 states have (on average 1.2626732076770806) internal successors, (14671), 11827 states have internal predecessors, (14671), 3896 states have call successors, (3896), 1073 states have call predecessors, (3896), 1073 states have return successors, (3912), 3852 states have call predecessors, (3912), 3896 states have call successors, (3912) [2021-12-22 15:21:55,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16589 states to 16589 states and 22479 transitions. [2021-12-22 15:21:55,522 INFO L78 Accepts]: Start accepts. Automaton has 16589 states and 22479 transitions. Word has length 324 [2021-12-22 15:21:55,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:21:55,526 INFO L470 AbstractCegarLoop]: Abstraction has 16589 states and 22479 transitions. [2021-12-22 15:21:55,526 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-22 15:21:55,526 INFO L276 IsEmpty]: Start isEmpty. Operand 16589 states and 22479 transitions. [2021-12-22 15:21:55,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2021-12-22 15:21:55,539 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:21:55,540 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 11, 11, 11, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 15:21:55,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 15:21:55,540 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:21:55,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:21:55,541 INFO L85 PathProgramCache]: Analyzing trace with hash -2009385364, now seen corresponding path program 1 times [2021-12-22 15:21:55,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:21:55,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249625658] [2021-12-22 15:21:55,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:21:55,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:21:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:21:55,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:21:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:21:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:21:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:21:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:21:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:21:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:21:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:21:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 15:21:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 15:21:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 15:21:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 15:21:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-22 15:21:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:21:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-22 15:21:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 15:21:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:21:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:21:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-22 15:21:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:21:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:21:55,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-22 15:21:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-22 15:21:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-22 15:21:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-22 15:21:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-22 15:21:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-22 15:21:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-22 15:21:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-22 15:21:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-22 15:21:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-22 15:21:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:55,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-22 15:21:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:56,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:21:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:56,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:21:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:56,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:21:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:56,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-22 15:21:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:56,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-22 15:21:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:56,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-22 15:21:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:56,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-22 15:21:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:56,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-22 15:21:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:21:56,044 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 797 trivial. 0 not checked. [2021-12-22 15:21:56,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:21:56,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249625658] [2021-12-22 15:21:56,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249625658] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:21:56,044 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:21:56,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:21:56,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792617202] [2021-12-22 15:21:56,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:21:56,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:21:56,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:21:56,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:21:56,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:21:56,047 INFO L87 Difference]: Start difference. First operand 16589 states and 22479 transitions. Second operand has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 3 states have internal predecessors, (152), 4 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 4 states have call successors, (40) [2021-12-22 15:22:00,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:22:00,957 INFO L93 Difference]: Finished difference Result 37120 states and 50506 transitions. [2021-12-22 15:22:00,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-22 15:22:00,958 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 3 states have internal predecessors, (152), 4 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 4 states have call successors, (40) Word has length 384 [2021-12-22 15:22:00,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:22:01,145 INFO L225 Difference]: With dead ends: 37120 [2021-12-22 15:22:01,146 INFO L226 Difference]: Without dead ends: 20552 [2021-12-22 15:22:01,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-12-22 15:22:01,197 INFO L933 BasicCegarLoop]: 3126 mSDtfsCounter, 2745 mSDsluCounter, 5026 mSDsCounter, 0 mSdLazyCounter, 3157 mSolverCounterSat, 2389 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2923 SdHoareTripleChecker+Valid, 8152 SdHoareTripleChecker+Invalid, 5546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2389 IncrementalHoareTripleChecker+Valid, 3157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:22:01,198 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2923 Valid, 8152 Invalid, 5546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2389 Valid, 3157 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2021-12-22 15:22:01,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20552 states. [2021-12-22 15:22:01,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20552 to 19282. [2021-12-22 15:22:01,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19282 states, 13537 states have (on average 1.2634261653246657) internal successors, (17103), 13778 states have internal predecessors, (17103), 4490 states have call successors, (4490), 1254 states have call predecessors, (4490), 1254 states have return successors, (4506), 4442 states have call predecessors, (4506), 4490 states have call successors, (4506) [2021-12-22 15:22:01,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19282 states to 19282 states and 26099 transitions. [2021-12-22 15:22:01,970 INFO L78 Accepts]: Start accepts. Automaton has 19282 states and 26099 transitions. Word has length 384 [2021-12-22 15:22:01,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:22:01,971 INFO L470 AbstractCegarLoop]: Abstraction has 19282 states and 26099 transitions. [2021-12-22 15:22:01,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 3 states have internal predecessors, (152), 4 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 4 states have call successors, (40) [2021-12-22 15:22:01,971 INFO L276 IsEmpty]: Start isEmpty. Operand 19282 states and 26099 transitions. [2021-12-22 15:22:01,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2021-12-22 15:22:01,983 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:22:01,983 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 11, 11, 11, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-22 15:22:01,984 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 15:22:01,984 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:22:01,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:22:01,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1254541034, now seen corresponding path program 1 times [2021-12-22 15:22:01,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:22:01,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191178869] [2021-12-22 15:22:01,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:22:01,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:22:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:22:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:22:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:22:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:22:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:22:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:22:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:22:02,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:22:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:22:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:22:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:22:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:22:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:22:02,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:22:02,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:22:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:22:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 15:22:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-22 15:22:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 15:22:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-22 15:22:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-22 15:22:02,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-22 15:22:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:22:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:22:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-22 15:22:02,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-22 15:22:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:22:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:22:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:22:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-22 15:22:02,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:22:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:22:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:22:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-22 15:22:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-22 15:22:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-22 15:22:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-22 15:22:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-22 15:22:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:22:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-12-22 15:22:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-22 15:22:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2021-12-22 15:22:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-22 15:22:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2021-12-22 15:22:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-12-22 15:22:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:22:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-22 15:22:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-22 15:22:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-22 15:22:02,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2021-12-22 15:22:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-22 15:22:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-22 15:22:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-22 15:22:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:22:02,544 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 797 trivial. 0 not checked. [2021-12-22 15:22:02,545 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:22:02,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191178869] [2021-12-22 15:22:02,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191178869] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:22:02,545 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:22:02,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 15:22:02,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876080963] [2021-12-22 15:22:02,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:22:02,547 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 15:22:02,547 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:22:02,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 15:22:02,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-22 15:22:02,548 INFO L87 Difference]: Start difference. First operand 19282 states and 26099 transitions. Second operand has 6 states, 6 states have (on average 25.333333333333332) internal successors, (152), 3 states have internal predecessors, (152), 4 states have call successors, (45), 5 states have call predecessors, (45), 1 states have return successors, (40), 3 states have call predecessors, (40), 4 states have call successors, (40)