./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 791161d1 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-?-791161d [2022-07-23 02:01:38,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:01:38,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:01:38,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:01:38,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:01:38,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:01:38,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:01:38,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:01:38,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:01:38,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:01:38,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:01:38,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:01:38,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:01:38,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:01:38,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:01:38,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:01:38,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:01:38,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:01:38,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:01:38,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:01:38,889 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:01:38,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:01:38,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:01:38,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:01:38,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:01:38,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:01:38,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:01:38,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:01:38,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:01:38,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:01:38,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:01:38,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:01:38,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:01:38,901 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:01:38,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:01:38,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:01:38,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:01:38,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:01:38,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:01:38,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:01:38,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:01:38,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:01:38,906 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:01:38,927 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:01:38,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:01:38,927 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:01:38,927 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:01:38,928 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:01:38,928 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:01:38,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:01:38,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:01:38,929 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:01:38,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:01:38,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:01:38,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:01:38,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:01:38,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:01:38,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:01:38,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:01:38,930 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:01:38,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:01:38,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:01:38,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:01:38,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:01:38,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:01:38,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:01:38,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:01:38,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:01:38,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:01:38,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:01:38,933 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:01:38,933 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:01:38,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:01:38,933 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3760bd11965082d9ea48923d727f263a9d5646ba9eaff63a7884fbc3852defe0 [2022-07-23 02:01:39,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:01:39,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:01:39,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:01:39,157 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:01:39,158 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:01:39,159 INFO L432 ainManager$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 [2022-07-23 02:01:39,241 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/949c30217/efa6db7d558e42a6bf8bae4f1076f8f1/FLAGc7d512b49 [2022-07-23 02:01:39,897 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:01:39,898 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 [2022-07-23 02:01:39,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/949c30217/efa6db7d558e42a6bf8bae4f1076f8f1/FLAGc7d512b49 [2022-07-23 02:01:40,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/949c30217/efa6db7d558e42a6bf8bae4f1076f8f1 [2022-07-23 02:01:40,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:01:40,085 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:01:40,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:01:40,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:01:40,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:01:40,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:01:40" (1/1) ... [2022-07-23 02:01:40,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91b8749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:40, skipping insertion in model container [2022-07-23 02:01:40,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:01:40" (1/1) ... [2022-07-23 02:01:40,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:01:40,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:01:41,840 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] [2022-07-23 02:01:41,843 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] [2022-07-23 02:01:41,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:01:41,912 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:01:42,139 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] [2022-07-23 02:01:42,140 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] [2022-07-23 02:01:42,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:01:42,321 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:01:42,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:42 WrapperNode [2022-07-23 02:01:42,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:01:42,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:01:42,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:01:42,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:01:42,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:42" (1/1) ... [2022-07-23 02:01:42,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:42" (1/1) ... [2022-07-23 02:01:42,602 INFO L137 Inliner]: procedures = 434, calls = 2036, calls flagged for inlining = 218, calls inlined = 203, statements flattened = 5223 [2022-07-23 02:01:42,603 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:01:42,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:01:42,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:01:42,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:01:42,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:42" (1/1) ... [2022-07-23 02:01:42,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:42" (1/1) ... [2022-07-23 02:01:42,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:42" (1/1) ... [2022-07-23 02:01:42,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:42" (1/1) ... [2022-07-23 02:01:42,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:42" (1/1) ... [2022-07-23 02:01:42,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:42" (1/1) ... [2022-07-23 02:01:42,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:42" (1/1) ... [2022-07-23 02:01:42,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:01:42,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:01:42,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:01:42,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:01:42,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:42" (1/1) ... [2022-07-23 02:01:42,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:01:42,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:01:42,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 02:01:42,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 02:01:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 02:01:42,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 02:01:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 02:01:42,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 02:01:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-23 02:01:42,966 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-23 02:01:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2022-07-23 02:01:42,966 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2022-07-23 02:01:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 02:01:42,966 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 02:01:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:01:42,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:01:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure w840_remove1 [2022-07-23 02:01:42,967 INFO L138 BoogieDeclarations]: Found implementation of procedure w840_remove1 [2022-07-23 02:01:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_88 [2022-07-23 02:01:42,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_88 [2022-07-23 02:01:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-23 02:01:42,967 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-23 02:01:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 02:01:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 02:01:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-23 02:01:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-23 02:01:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 02:01:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 02:01:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure update_link [2022-07-23 02:01:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure update_link [2022-07-23 02:01:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 02:01:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 02:01:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:01:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:01:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 02:01:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 02:01:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-23 02:01:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-23 02:01:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 02:01:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 02:01:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:01:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:01:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure __set_rx_mode [2022-07-23 02:01:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_rx_mode [2022-07-23 02:01:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 02:01:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 02:01:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-23 02:01:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-23 02:01:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:01:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-23 02:01:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-23 02:01:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-23 02:01:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-23 02:01:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 02:01:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 02:01:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 02:01:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 02:01:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 02:01:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 02:01:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 02:01:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 02:01:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:01:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:01:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 02:01:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-23 02:01:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-23 02:01:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 02:01:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 02:01:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure init_rxtx_rings [2022-07-23 02:01:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure init_rxtx_rings [2022-07-23 02:01:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 02:01:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 02:01:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 02:01:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 02:01:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:01:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:01:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 02:01:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 02:01:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure tx_timeout [2022-07-23 02:01:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_timeout [2022-07-23 02:01:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:01:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 02:01:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 02:01:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 02:01:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 02:01:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:01:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_nway_reset [2022-07-23 02:01:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_nway_reset [2022-07-23 02:01:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:01:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:01:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 02:01:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 02:01:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:01:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 02:01:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:01:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:01:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-23 02:01:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-23 02:01:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-23 02:01:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-23 02:01:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-23 02:01:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-23 02:01:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 02:01:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 02:01:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-23 02:01:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-23 02:01:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 02:01:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 02:01:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure update_csr6 [2022-07-23 02:01:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure update_csr6 [2022-07-23 02:01:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure w840_resume [2022-07-23 02:01:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure w840_resume [2022-07-23 02:01:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2022-07-23 02:01:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2022-07-23 02:01:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:01:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:01:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:01:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:01:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:01:42,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:01:42,985 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_close [2022-07-23 02:01:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_close [2022-07-23 02:01:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-23 02:01:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-23 02:01:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-23 02:01:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 02:01:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 02:01:42,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_netdev_private [2022-07-23 02:01:42,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_netdev_private [2022-07-23 02:01:42,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 02:01:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 02:01:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 02:01:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 02:01:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure init_registers [2022-07-23 02:01:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure init_registers [2022-07-23 02:01:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 02:01:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 02:01:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 02:01:42,997 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 02:01:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:01:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 02:01:42,997 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 02:01:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:01:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-23 02:01:42,997 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-23 02:01:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_87 [2022-07-23 02:01:42,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_87 [2022-07-23 02:01:42,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:01:42,998 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:01:42,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:01:42,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_netdev_private [2022-07-23 02:01:42,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_netdev_private [2022-07-23 02:01:42,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:01:42,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:01:42,998 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2022-07-23 02:01:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2022-07-23 02:01:42,999 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_open [2022-07-23 02:01:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_open [2022-07-23 02:01:42,999 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 02:01:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 02:01:42,999 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 02:01:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 02:01:42,999 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-23 02:01:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-23 02:01:43,000 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 02:01:43,000 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 02:01:43,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 02:01:43,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:01:43,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:01:43,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_95 [2022-07-23 02:01:43,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_95 [2022-07-23 02:01:43,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2022-07-23 02:01:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2022-07-23 02:01:43,001 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-23 02:01:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-23 02:01:43,001 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-23 02:01:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-23 02:01:43,001 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-23 02:01:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-23 02:01:43,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:01:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:01:43,002 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-23 02:01:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-23 02:01:43,002 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 02:01:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 02:01:43,002 INFO L130 BoogieDeclarations]: Found specification of procedure free_rxtx_rings [2022-07-23 02:01:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rxtx_rings [2022-07-23 02:01:43,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 02:01:43,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:01:43,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:01:43,843 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:01:43,860 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:01:44,209 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:01:46,340 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 02:01:46,388 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:01:46,399 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:01:46,400 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-23 02:01:46,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:01:46 BoogieIcfgContainer [2022-07-23 02:01:46,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:01:46,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:01:46,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:01:46,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:01:46,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:01:40" (1/3) ... [2022-07-23 02:01:46,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@518b9ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:01:46, skipping insertion in model container [2022-07-23 02:01:46,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:01:42" (2/3) ... [2022-07-23 02:01:46,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@518b9ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:01:46, skipping insertion in model container [2022-07-23 02:01:46,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:01:46" (3/3) ... [2022-07-23 02:01:46,409 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-dec-tulip-winbond-840.cil.i [2022-07-23 02:01:46,419 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:01:46,419 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 02:01:46,486 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:01:46,491 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1e15d888, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6eb0e024 [2022-07-23 02:01:46,491 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 02:01:46,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 1804 states, 1279 states have (on average 1.347928068803753) internal successors, (1724), 1301 states have internal predecessors, (1724), 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) [2022-07-23 02:01:46,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-23 02:01:46,526 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:01:46,526 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1] [2022-07-23 02:01:46,527 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:01:46,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:01:46,531 INFO L85 PathProgramCache]: Analyzing trace with hash -2024011784, now seen corresponding path program 1 times [2022-07-23 02:01:46,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:01:46,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966569251] [2022-07-23 02:01:46,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:01:46,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:01:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:01:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:01:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:01:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:01:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:01:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:01:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:01:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:01:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:01:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-23 02:01:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-23 02:01:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-23 02:01:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:01:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 02:01:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-23 02:01:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:01:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:47,172 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-07-23 02:01:47,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:01:47,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966569251] [2022-07-23 02:01:47,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966569251] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:01:47,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:01:47,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:01:47,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896317598] [2022-07-23 02:01:47,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:01:47,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:01:47,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:01:47,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:01:47,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:01:47,209 INFO L87 Difference]: Start difference. First operand has 1804 states, 1279 states have (on average 1.347928068803753) internal successors, (1724), 1301 states have internal predecessors, (1724), 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 16.75) internal successors, (67), 3 states have internal predecessors, (67), 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) [2022-07-23 02:01:50,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:01:50,777 INFO L93 Difference]: Finished difference Result 5048 states and 7357 transitions. [2022-07-23 02:01:50,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:01:50,781 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 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 165 [2022-07-23 02:01:50,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:01:50,814 INFO L225 Difference]: With dead ends: 5048 [2022-07-23 02:01:50,815 INFO L226 Difference]: Without dead ends: 3197 [2022-07-23 02:01:50,828 INFO L412 NwaCegarLoop]: 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 [2022-07-23 02:01:50,831 INFO L413 NwaCegarLoop]: 2734 mSDtfsCounter, 2716 mSDsluCounter, 2555 mSDsCounter, 0 mSdLazyCounter, 1816 mSolverCounterSat, 1164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3062 SdHoareTripleChecker+Valid, 5289 SdHoareTripleChecker+Invalid, 2980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1164 IncrementalHoareTripleChecker+Valid, 1816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:01:50,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3062 Valid, 5289 Invalid, 2980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1164 Valid, 1816 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-23 02:01:50,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3197 states. [2022-07-23 02:01:51,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3197 to 3135. [2022-07-23 02:01:51,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3135 states, 2222 states have (on average 1.2803780378037803) internal successors, (2845), 2260 states have internal predecessors, (2845), 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) [2022-07-23 02:01:51,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 3135 states and 4355 transitions. [2022-07-23 02:01:51,098 INFO L78 Accepts]: Start accepts. Automaton has 3135 states and 4355 transitions. Word has length 165 [2022-07-23 02:01:51,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:01:51,099 INFO L495 AbstractCegarLoop]: Abstraction has 3135 states and 4355 transitions. [2022-07-23 02:01:51,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 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) [2022-07-23 02:01:51,099 INFO L276 IsEmpty]: Start isEmpty. Operand 3135 states and 4355 transitions. [2022-07-23 02:01:51,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-23 02:01:51,127 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:01:51,128 INFO L195 NwaCegarLoop]: 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] [2022-07-23 02:01:51,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 02:01:51,128 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:01:51,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:01:51,129 INFO L85 PathProgramCache]: Analyzing trace with hash 499468467, now seen corresponding path program 1 times [2022-07-23 02:01:51,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:01:51,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728133008] [2022-07-23 02:01:51,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:01:51,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:01:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:01:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:01:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:01:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:01:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:01:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:01:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:01:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:01:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:01:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-23 02:01:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-23 02:01:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 02:01:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 02:01:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:01:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:01:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 02:01:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 02:01:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-23 02:01:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 02:01:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-23 02:01:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:51,465 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-07-23 02:01:51,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:01:51,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728133008] [2022-07-23 02:01:51,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728133008] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:01:51,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:01:51,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:01:51,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719744544] [2022-07-23 02:01:51,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:01:51,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:01:51,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:01:51,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:01:51,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:01:51,469 INFO L87 Difference]: Start difference. First operand 3135 states and 4355 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) [2022-07-23 02:01:57,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:01:57,141 INFO L93 Difference]: Finished difference Result 9393 states and 13123 transitions. [2022-07-23 02:01:57,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-23 02:01:57,142 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 [2022-07-23 02:01:57,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:01:57,174 INFO L225 Difference]: With dead ends: 9393 [2022-07-23 02:01:57,175 INFO L226 Difference]: Without dead ends: 6279 [2022-07-23 02:01:57,187 INFO L412 NwaCegarLoop]: 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 [2022-07-23 02:01:57,192 INFO L413 NwaCegarLoop]: 2441 mSDtfsCounter, 5399 mSDsluCounter, 3899 mSDsCounter, 0 mSdLazyCounter, 3846 mSolverCounterSat, 3768 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5659 SdHoareTripleChecker+Valid, 6340 SdHoareTripleChecker+Invalid, 7614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3768 IncrementalHoareTripleChecker+Valid, 3846 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:01:57,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5659 Valid, 6340 Invalid, 7614 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3768 Valid, 3846 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-07-23 02:01:57,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6279 states. [2022-07-23 02:01:57,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6279 to 5785. [2022-07-23 02:01:57,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5785 states, 4076 states have (on average 1.277232580961727) internal successors, (5206), 4150 states have internal predecessors, (5206), 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) [2022-07-23 02:01:57,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5785 states to 5785 states and 8006 transitions. [2022-07-23 02:01:57,404 INFO L78 Accepts]: Start accepts. Automaton has 5785 states and 8006 transitions. Word has length 196 [2022-07-23 02:01:57,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:01:57,406 INFO L495 AbstractCegarLoop]: Abstraction has 5785 states and 8006 transitions. [2022-07-23 02:01:57,406 INFO L496 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) [2022-07-23 02:01:57,406 INFO L276 IsEmpty]: Start isEmpty. Operand 5785 states and 8006 transitions. [2022-07-23 02:01:57,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-07-23 02:01:57,410 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:01:57,410 INFO L195 NwaCegarLoop]: 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] [2022-07-23 02:01:57,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 02:01:57,411 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:01:57,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:01:57,411 INFO L85 PathProgramCache]: Analyzing trace with hash -346653364, now seen corresponding path program 1 times [2022-07-23 02:01:57,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:01:57,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100476872] [2022-07-23 02:01:57,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:01:57,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:01:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:01:57,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:57,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:01:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:01:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:01:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:01:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:01:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:01:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:01:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:01:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 02:01:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-23 02:01:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-07-23 02:01:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-23 02:01:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:01:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:01:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:01:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:01:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-23 02:01:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 02:01:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 02:01:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-23 02:01:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:01:57,901 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-07-23 02:01:57,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:01:57,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100476872] [2022-07-23 02:01:57,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100476872] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:01:57,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:01:57,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 02:01:57,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024919231] [2022-07-23 02:01:57,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:01:57,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 02:01:57,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:01:57,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 02:01:57,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-23 02:01:57,905 INFO L87 Difference]: Start difference. First operand 5785 states and 8006 transitions. Second operand has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 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) [2022-07-23 02:02:05,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:05,555 INFO L93 Difference]: Finished difference Result 19202 states and 26616 transitions. [2022-07-23 02:02:05,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-07-23 02:02:05,556 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 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 [2022-07-23 02:02:05,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:05,631 INFO L225 Difference]: With dead ends: 19202 [2022-07-23 02:02:05,631 INFO L226 Difference]: Without dead ends: 13438 [2022-07-23 02:02:05,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=198, Invalid=504, Unknown=0, NotChecked=0, Total=702 [2022-07-23 02:02:05,663 INFO L413 NwaCegarLoop]: 3048 mSDtfsCounter, 9167 mSDsluCounter, 5774 mSDsCounter, 0 mSdLazyCounter, 7570 mSolverCounterSat, 4992 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9747 SdHoareTripleChecker+Valid, 8822 SdHoareTripleChecker+Invalid, 12562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4992 IncrementalHoareTripleChecker+Valid, 7570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:05,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9747 Valid, 8822 Invalid, 12562 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4992 Valid, 7570 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-07-23 02:02:05,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13438 states. [2022-07-23 02:02:06,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13438 to 12394. [2022-07-23 02:02:06,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12394 states, 8925 states have (on average 1.2881792717086835) internal successors, (11497), 9074 states have internal predecessors, (11497), 2741 states have call successors, (2741), 728 states have call predecessors, (2741), 727 states have return successors, (2757), 2702 states have call predecessors, (2757), 2741 states have call successors, (2757) [2022-07-23 02:02:06,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12394 states to 12394 states and 16995 transitions. [2022-07-23 02:02:06,244 INFO L78 Accepts]: Start accepts. Automaton has 12394 states and 16995 transitions. Word has length 190 [2022-07-23 02:02:06,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:06,244 INFO L495 AbstractCegarLoop]: Abstraction has 12394 states and 16995 transitions. [2022-07-23 02:02:06,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 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) [2022-07-23 02:02:06,245 INFO L276 IsEmpty]: Start isEmpty. Operand 12394 states and 16995 transitions. [2022-07-23 02:02:06,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-07-23 02:02:06,254 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:06,255 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:02:06,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 02:02:06,255 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:06,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:06,256 INFO L85 PathProgramCache]: Analyzing trace with hash 516453204, now seen corresponding path program 1 times [2022-07-23 02:02:06,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:06,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265830736] [2022-07-23 02:02:06,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:06,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:02:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:02:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:02:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:02:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:02:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:02:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:02:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:02:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:02:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:02:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:02:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:02:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-23 02:02:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-23 02:02:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-23 02:02:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 02:02:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-23 02:02:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-23 02:02:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 02:02:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:02:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:02:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 02:02:06,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-23 02:02:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 02:02:06,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-23 02:02:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:02:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-23 02:02:06,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:06,649 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2022-07-23 02:02:06,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:06,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265830736] [2022-07-23 02:02:06,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265830736] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:06,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:02:06,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:02:06,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803529726] [2022-07-23 02:02:06,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:06,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:02:06,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:06,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:02:06,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:02:06,651 INFO L87 Difference]: Start difference. First operand 12394 states and 16995 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 3 states have internal predecessors, (124), 4 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-23 02:02:09,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:09,860 INFO L93 Difference]: Finished difference Result 28103 states and 38604 transitions. [2022-07-23 02:02:09,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 02:02:09,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 3 states have internal predecessors, (124), 4 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 280 [2022-07-23 02:02:09,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:09,932 INFO L225 Difference]: With dead ends: 28103 [2022-07-23 02:02:09,932 INFO L226 Difference]: Without dead ends: 15730 [2022-07-23 02:02:09,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 02:02:09,974 INFO L413 NwaCegarLoop]: 3701 mSDtfsCounter, 2507 mSDsluCounter, 4200 mSDsCounter, 0 mSdLazyCounter, 2546 mSolverCounterSat, 1469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2688 SdHoareTripleChecker+Valid, 7901 SdHoareTripleChecker+Invalid, 4015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1469 IncrementalHoareTripleChecker+Valid, 2546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:09,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2688 Valid, 7901 Invalid, 4015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1469 Valid, 2546 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-07-23 02:02:09,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15730 states. [2022-07-23 02:02:10,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15730 to 15404. [2022-07-23 02:02:10,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15404 states, 11151 states have (on average 1.2907362568379517) internal successors, (14393), 11333 states have internal predecessors, (14393), 3343 states have call successors, (3343), 910 states have call predecessors, (3343), 909 states have return successors, (3359), 3300 states have call predecessors, (3359), 3343 states have call successors, (3359) [2022-07-23 02:02:10,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15404 states to 15404 states and 21095 transitions. [2022-07-23 02:02:10,518 INFO L78 Accepts]: Start accepts. Automaton has 15404 states and 21095 transitions. Word has length 280 [2022-07-23 02:02:10,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:10,520 INFO L495 AbstractCegarLoop]: Abstraction has 15404 states and 21095 transitions. [2022-07-23 02:02:10,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 3 states have internal predecessors, (124), 4 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-23 02:02:10,520 INFO L276 IsEmpty]: Start isEmpty. Operand 15404 states and 21095 transitions. [2022-07-23 02:02:10,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-23 02:02:10,529 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:10,529 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:02:10,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 02:02:10,530 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:10,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:10,530 INFO L85 PathProgramCache]: Analyzing trace with hash -840656345, now seen corresponding path program 1 times [2022-07-23 02:02:10,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:10,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093408305] [2022-07-23 02:02:10,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:10,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:10,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:02:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:02:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:02:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:02:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:02:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:02:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:02:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:02:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:02:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:02:10,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:02:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:02:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:02:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:02:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:02:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:02:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 02:02:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 02:02:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-23 02:02:10,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-23 02:02:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:02:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-23 02:02:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 02:02:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-23 02:02:10,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:02:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:02:10,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-23 02:02:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-23 02:02:10,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-23 02:02:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 02:02:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-23 02:02:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 02:02:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2022-07-23 02:02:10,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:10,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093408305] [2022-07-23 02:02:10,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093408305] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:10,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:02:10,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:02:10,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039222100] [2022-07-23 02:02:10,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:10,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:02:10,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:10,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:02:10,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:02:10,926 INFO L87 Difference]: Start difference. First operand 15404 states and 21095 transitions. Second operand has 5 states, 5 states have (on average 30.4) internal successors, (152), 3 states have internal predecessors, (152), 4 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 4 states have call successors, (43) [2022-07-23 02:02:13,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:13,965 INFO L93 Difference]: Finished difference Result 34140 states and 46815 transitions. [2022-07-23 02:02:13,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 02:02:13,970 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 3 states have internal predecessors, (152), 4 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 4 states have call successors, (43) Word has length 356 [2022-07-23 02:02:13,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:14,043 INFO L225 Difference]: With dead ends: 34140 [2022-07-23 02:02:14,044 INFO L226 Difference]: Without dead ends: 18757 [2022-07-23 02:02:14,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 02:02:14,084 INFO L413 NwaCegarLoop]: 3705 mSDtfsCounter, 2505 mSDsluCounter, 4214 mSDsCounter, 0 mSdLazyCounter, 2527 mSolverCounterSat, 1448 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2688 SdHoareTripleChecker+Valid, 7919 SdHoareTripleChecker+Invalid, 3975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1448 IncrementalHoareTripleChecker+Valid, 2527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:14,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2688 Valid, 7919 Invalid, 3975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1448 Valid, 2527 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-23 02:02:14,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18757 states. [2022-07-23 02:02:14,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18757 to 18379. [2022-07-23 02:02:14,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18379 states, 13355 states have (on average 1.2929239985024334) internal successors, (17267), 13570 states have internal predecessors, (17267), 3933 states have call successors, (3933), 1091 states have call predecessors, (3933), 1090 states have return successors, (3949), 3886 states have call predecessors, (3949), 3933 states have call successors, (3949) [2022-07-23 02:02:14,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18379 states to 18379 states and 25149 transitions. [2022-07-23 02:02:14,709 INFO L78 Accepts]: Start accepts. Automaton has 18379 states and 25149 transitions. Word has length 356 [2022-07-23 02:02:14,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:14,710 INFO L495 AbstractCegarLoop]: Abstraction has 18379 states and 25149 transitions. [2022-07-23 02:02:14,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 3 states have internal predecessors, (152), 4 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 4 states have call successors, (43) [2022-07-23 02:02:14,710 INFO L276 IsEmpty]: Start isEmpty. Operand 18379 states and 25149 transitions. [2022-07-23 02:02:14,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2022-07-23 02:02:14,720 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:14,720 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 9, 9, 9, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:02:14,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 02:02:14,721 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:14,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:14,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1909371487, now seen corresponding path program 1 times [2022-07-23 02:02:14,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:14,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035329925] [2022-07-23 02:02:14,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:14,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:02:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:02:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:02:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:02:14,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:02:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:02:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:02:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:02:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:02:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:02:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:02:14,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:02:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:02:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:14,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:15,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:15,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:15,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:15,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:02:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:15,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:15,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:15,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:15,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:02:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:15,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:02:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:15,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:02:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:15,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 02:02:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:15,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:02:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:15,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 02:02:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:15,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-23 02:02:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:15,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 02:02:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:15,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 02:02:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:15,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:15,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 02:02:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:15,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 02:02:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:15,083 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2022-07-23 02:02:15,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:15,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035329925] [2022-07-23 02:02:15,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035329925] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:15,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:02:15,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:02:15,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917949887] [2022-07-23 02:02:15,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:15,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:02:15,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:15,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:02:15,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:02:15,086 INFO L87 Difference]: Start difference. First operand 18379 states and 25149 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 02:02:17,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:17,769 INFO L93 Difference]: Finished difference Result 40839 states and 55950 transitions. [2022-07-23 02:02:17,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:02:17,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 337 [2022-07-23 02:02:17,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:17,913 INFO L225 Difference]: With dead ends: 40839 [2022-07-23 02:02:17,913 INFO L226 Difference]: Without dead ends: 22481 [2022-07-23 02:02:17,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:02:17,976 INFO L413 NwaCegarLoop]: 3916 mSDtfsCounter, 2159 mSDsluCounter, 2960 mSDsCounter, 0 mSdLazyCounter, 1725 mSolverCounterSat, 701 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2466 SdHoareTripleChecker+Valid, 6876 SdHoareTripleChecker+Invalid, 2426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 701 IncrementalHoareTripleChecker+Valid, 1725 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:17,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2466 Valid, 6876 Invalid, 2426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [701 Valid, 1725 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-23 02:02:18,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22481 states. [2022-07-23 02:02:18,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22481 to 22021. [2022-07-23 02:02:18,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22021 states, 16058 states have (on average 1.2939344874828747) internal successors, (20778), 16308 states have internal predecessors, (20778), 4655 states have call successors, (4655), 1308 states have call predecessors, (4655), 1307 states have return successors, (4671), 4602 states have call predecessors, (4671), 4655 states have call successors, (4671) [2022-07-23 02:02:18,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22021 states to 22021 states and 30104 transitions. [2022-07-23 02:02:18,941 INFO L78 Accepts]: Start accepts. Automaton has 22021 states and 30104 transitions. Word has length 337 [2022-07-23 02:02:18,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:18,942 INFO L495 AbstractCegarLoop]: Abstraction has 22021 states and 30104 transitions. [2022-07-23 02:02:18,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-23 02:02:18,942 INFO L276 IsEmpty]: Start isEmpty. Operand 22021 states and 30104 transitions. [2022-07-23 02:02:18,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2022-07-23 02:02:18,955 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:18,955 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 12, 12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:02:18,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 02:02:18,955 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:18,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:18,956 INFO L85 PathProgramCache]: Analyzing trace with hash -866346469, now seen corresponding path program 1 times [2022-07-23 02:02:18,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:18,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597644739] [2022-07-23 02:02:18,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:18,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:19,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:02:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:19,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:02:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:02:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:02:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:02:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:02:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:02:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:02:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:02:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:02:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:02:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:02:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:02:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:02:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:02:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:02:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:02:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:02:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:02:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 02:02:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 02:02:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-23 02:02:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 02:02:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-23 02:02:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-23 02:02:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-23 02:02:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-23 02:02:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 02:02:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-23 02:02:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:02:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:02:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-23 02:02:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-23 02:02:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-23 02:02:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 02:02:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-23 02:02:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-23 02:02:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:19,567 INFO L134 CoverageAnalysis]: Checked inductivity of 872 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 844 trivial. 0 not checked. [2022-07-23 02:02:19,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:19,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597644739] [2022-07-23 02:02:19,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597644739] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:19,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:02:19,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:02:19,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057514653] [2022-07-23 02:02:19,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:19,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:02:19,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:19,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:02:19,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:02:19,571 INFO L87 Difference]: Start difference. First operand 22021 states and 30104 transitions. Second operand has 5 states, 5 states have (on average 33.2) internal successors, (166), 3 states have internal predecessors, (166), 4 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2022-07-23 02:02:22,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:22,453 INFO L93 Difference]: Finished difference Result 47516 states and 65040 transitions. [2022-07-23 02:02:22,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 02:02:22,454 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.2) internal successors, (166), 3 states have internal predecessors, (166), 4 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) Word has length 416 [2022-07-23 02:02:22,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:22,581 INFO L225 Difference]: With dead ends: 47516 [2022-07-23 02:02:22,582 INFO L226 Difference]: Without dead ends: 25516 [2022-07-23 02:02:22,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 02:02:22,646 INFO L413 NwaCegarLoop]: 3544 mSDtfsCounter, 2511 mSDsluCounter, 3965 mSDsCounter, 0 mSdLazyCounter, 2530 mSolverCounterSat, 1511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2694 SdHoareTripleChecker+Valid, 7509 SdHoareTripleChecker+Invalid, 4041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1511 IncrementalHoareTripleChecker+Valid, 2530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:22,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2694 Valid, 7509 Invalid, 4041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1511 Valid, 2530 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-23 02:02:22,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25516 states. [2022-07-23 02:02:23,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25516 to 24988. [2022-07-23 02:02:23,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24988 states, 18258 states have (on average 1.2952130572899552) internal successors, (23648), 18541 states have internal predecessors, (23648), 5245 states have call successors, (5245), 1485 states have call predecessors, (5245), 1484 states have return successors, (5261), 5188 states have call predecessors, (5261), 5245 states have call successors, (5261) [2022-07-23 02:02:23,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24988 states to 24988 states and 34154 transitions. [2022-07-23 02:02:23,570 INFO L78 Accepts]: Start accepts. Automaton has 24988 states and 34154 transitions. Word has length 416 [2022-07-23 02:02:23,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:23,571 INFO L495 AbstractCegarLoop]: Abstraction has 24988 states and 34154 transitions. [2022-07-23 02:02:23,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.2) internal successors, (166), 3 states have internal predecessors, (166), 4 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2022-07-23 02:02:23,572 INFO L276 IsEmpty]: Start isEmpty. Operand 24988 states and 34154 transitions. [2022-07-23 02:02:23,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2022-07-23 02:02:23,587 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:23,588 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 11, 11, 11, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:02:23,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 02:02:23,588 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:23,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:23,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1131262624, now seen corresponding path program 1 times [2022-07-23 02:02:23,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:23,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344683077] [2022-07-23 02:02:23,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:23,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:02:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:02:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:02:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:02:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:02:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:02:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:02:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:02:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:02:23,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:02:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:02:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:02:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:02:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:02:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:02:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:02:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:02:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:02:23,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:02:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:23,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 02:02:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 02:02:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 02:02:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 02:02:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-23 02:02:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-23 02:02:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-23 02:02:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-23 02:02:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-23 02:02:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:02:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:02:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 02:02:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 02:02:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-23 02:02:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-23 02:02:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 02:02:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-07-23 02:02:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:24,366 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2022-07-23 02:02:24,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:24,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344683077] [2022-07-23 02:02:24,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344683077] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:24,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:02:24,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:02:24,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814828374] [2022-07-23 02:02:24,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:24,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:02:24,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:24,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:02:24,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:02:24,370 INFO L87 Difference]: Start difference. First operand 24988 states and 34154 transitions. Second operand has 5 states, 5 states have (on average 33.8) internal successors, (169), 3 states have internal predecessors, (169), 4 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) [2022-07-23 02:02:28,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:28,461 INFO L93 Difference]: Finished difference Result 53550 states and 73273 transitions. [2022-07-23 02:02:28,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 02:02:28,462 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 3 states have internal predecessors, (169), 4 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) Word has length 414 [2022-07-23 02:02:28,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:28,565 INFO L225 Difference]: With dead ends: 53550 [2022-07-23 02:02:28,566 INFO L226 Difference]: Without dead ends: 28583 [2022-07-23 02:02:28,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-23 02:02:28,616 INFO L413 NwaCegarLoop]: 3705 mSDtfsCounter, 2537 mSDsluCounter, 4214 mSDsCounter, 0 mSdLazyCounter, 2537 mSolverCounterSat, 1454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2719 SdHoareTripleChecker+Valid, 7919 SdHoareTripleChecker+Invalid, 3991 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1454 IncrementalHoareTripleChecker+Valid, 2537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:28,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2719 Valid, 7919 Invalid, 3991 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1454 Valid, 2537 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-23 02:02:28,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28583 states. [2022-07-23 02:02:29,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28583 to 28003. [2022-07-23 02:02:29,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28003 states, 20498 states have (on average 1.296028880866426) internal successors, (26566), 20814 states have internal predecessors, (26566), 5839 states have call successors, (5839), 1666 states have call predecessors, (5839), 1665 states have return successors, (5855), 5778 states have call predecessors, (5855), 5839 states have call successors, (5855) [2022-07-23 02:02:29,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28003 states to 28003 states and 38260 transitions. [2022-07-23 02:02:29,387 INFO L78 Accepts]: Start accepts. Automaton has 28003 states and 38260 transitions. Word has length 414 [2022-07-23 02:02:29,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:29,388 INFO L495 AbstractCegarLoop]: Abstraction has 28003 states and 38260 transitions. [2022-07-23 02:02:29,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.8) internal successors, (169), 3 states have internal predecessors, (169), 4 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 4 states have call successors, (46) [2022-07-23 02:02:29,389 INFO L276 IsEmpty]: Start isEmpty. Operand 28003 states and 38260 transitions. [2022-07-23 02:02:29,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2022-07-23 02:02:29,399 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:29,400 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:02:29,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 02:02:29,401 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:29,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:29,401 INFO L85 PathProgramCache]: Analyzing trace with hash -2033584719, now seen corresponding path program 1 times [2022-07-23 02:02:29,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:29,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441253279] [2022-07-23 02:02:29,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:29,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:02:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:02:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:02:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:02:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:02:29,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:02:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:02:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:02:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:02:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:02:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:02:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:02:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:02:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:29,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:02:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:02:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:02:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:02:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:02:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:02:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:29,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 02:02:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 02:02:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 02:02:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-23 02:02:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 02:02:29,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 02:02:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 02:02:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-23 02:02:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-23 02:02:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:02:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:02:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-23 02:02:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-23 02:02:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-23 02:02:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-23 02:02:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-23 02:02:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:29,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1019 trivial. 0 not checked. [2022-07-23 02:02:29,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:29,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441253279] [2022-07-23 02:02:29,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441253279] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:29,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:02:29,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 02:02:29,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359697390] [2022-07-23 02:02:29,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:29,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 02:02:29,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:29,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 02:02:29,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 02:02:29,814 INFO L87 Difference]: Start difference. First operand 28003 states and 38260 transitions. Second operand has 6 states, 6 states have (on average 25.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (47), 5 states have call predecessors, (47), 1 states have return successors, (42), 2 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-23 02:02:34,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:34,052 INFO L93 Difference]: Finished difference Result 57937 states and 79397 transitions. [2022-07-23 02:02:34,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 02:02:34,053 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (47), 5 states have call predecessors, (47), 1 states have return successors, (42), 2 states have call predecessors, (42), 3 states have call successors, (42) Word has length 425 [2022-07-23 02:02:34,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:34,185 INFO L225 Difference]: With dead ends: 57937 [2022-07-23 02:02:34,185 INFO L226 Difference]: Without dead ends: 29955 [2022-07-23 02:02:34,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-23 02:02:34,257 INFO L413 NwaCegarLoop]: 2244 mSDtfsCounter, 1977 mSDsluCounter, 4026 mSDsCounter, 0 mSdLazyCounter, 2785 mSolverCounterSat, 1741 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 6270 SdHoareTripleChecker+Invalid, 4526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1741 IncrementalHoareTripleChecker+Valid, 2785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:34,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 6270 Invalid, 4526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1741 Valid, 2785 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-07-23 02:02:34,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29955 states. [2022-07-23 02:02:35,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29955 to 28039. [2022-07-23 02:02:35,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28039 states, 20534 states have (on average 1.295509886042661) internal successors, (26602), 20850 states have internal predecessors, (26602), 5839 states have call successors, (5839), 1666 states have call predecessors, (5839), 1665 states have return successors, (5855), 5778 states have call predecessors, (5855), 5839 states have call successors, (5855) [2022-07-23 02:02:35,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28039 states to 28039 states and 38296 transitions. [2022-07-23 02:02:35,224 INFO L78 Accepts]: Start accepts. Automaton has 28039 states and 38296 transitions. Word has length 425 [2022-07-23 02:02:35,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:35,226 INFO L495 AbstractCegarLoop]: Abstraction has 28039 states and 38296 transitions. [2022-07-23 02:02:35,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (47), 5 states have call predecessors, (47), 1 states have return successors, (42), 2 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-23 02:02:35,227 INFO L276 IsEmpty]: Start isEmpty. Operand 28039 states and 38296 transitions. [2022-07-23 02:02:35,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2022-07-23 02:02:35,237 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:35,238 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:02:35,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-23 02:02:35,238 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:35,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:35,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1176941233, now seen corresponding path program 1 times [2022-07-23 02:02:35,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:35,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065654027] [2022-07-23 02:02:35,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:35,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:35,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:02:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:02:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:02:35,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:02:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:02:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:02:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:02:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:02:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:02:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:02:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:02:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:02:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:02:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:02:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:35,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:02:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:02:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:02:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:02:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:02:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 02:02:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 02:02:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 02:02:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-23 02:02:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 02:02:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 02:02:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 02:02:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-23 02:02:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-23 02:02:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:02:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:02:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 02:02:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-23 02:02:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 02:02:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-23 02:02:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-23 02:02:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:35,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2022-07-23 02:02:35,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:35,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065654027] [2022-07-23 02:02:35,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065654027] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 02:02:35,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1009762922] [2022-07-23 02:02:35,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:35,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:02:35,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:02:35,561 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 02:02:35,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 02:02:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:36,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 3754 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:02:36,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:02:37,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1021 trivial. 0 not checked. [2022-07-23 02:02:37,154 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:02:37,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1009762922] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:37,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:02:37,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-07-23 02:02:37,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179362767] [2022-07-23 02:02:37,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:37,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:02:37,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:37,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:02:37,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:02:37,156 INFO L87 Difference]: Start difference. First operand 28039 states and 38296 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2022-07-23 02:02:38,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:38,179 INFO L93 Difference]: Finished difference Result 56161 states and 76847 transitions. [2022-07-23 02:02:38,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:02:38,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) Word has length 429 [2022-07-23 02:02:38,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:38,301 INFO L225 Difference]: With dead ends: 56161 [2022-07-23 02:02:38,302 INFO L226 Difference]: Without dead ends: 28143 [2022-07-23 02:02:38,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:02:38,388 INFO L413 NwaCegarLoop]: 2436 mSDtfsCounter, 2183 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2183 SdHoareTripleChecker+Valid, 2475 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:38,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2183 Valid, 2475 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 02:02:38,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28143 states. [2022-07-23 02:02:39,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28143 to 28143. [2022-07-23 02:02:39,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28143 states, 20604 states have (on average 1.29358377014172) internal successors, (26653), 20924 states have internal predecessors, (26653), 5851 states have call successors, (5851), 1688 states have call predecessors, (5851), 1687 states have return successors, (5867), 5790 states have call predecessors, (5867), 5851 states have call successors, (5867) [2022-07-23 02:02:39,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28143 states to 28143 states and 38371 transitions. [2022-07-23 02:02:39,513 INFO L78 Accepts]: Start accepts. Automaton has 28143 states and 38371 transitions. Word has length 429 [2022-07-23 02:02:39,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:39,515 INFO L495 AbstractCegarLoop]: Abstraction has 28143 states and 38371 transitions. [2022-07-23 02:02:39,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2022-07-23 02:02:39,515 INFO L276 IsEmpty]: Start isEmpty. Operand 28143 states and 38371 transitions. [2022-07-23 02:02:39,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-07-23 02:02:39,526 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:39,526 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:02:39,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-23 02:02:39,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-23 02:02:39,752 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:39,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:39,753 INFO L85 PathProgramCache]: Analyzing trace with hash -714002282, now seen corresponding path program 1 times [2022-07-23 02:02:39,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:39,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328552361] [2022-07-23 02:02:39,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:39,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:39,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:39,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:39,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:39,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:39,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:39,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:39,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:39,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:39,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:39,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:02:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:02:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:02:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:02:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:02:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:02:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:02:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:02:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:02:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:02:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:02:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:02:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:02:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:02:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:02:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:02:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:02:40,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:02:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:02:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 02:02:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 02:02:40,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 02:02:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-23 02:02:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 02:02:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 02:02:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 02:02:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-23 02:02:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-23 02:02:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:02:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:02:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 02:02:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-23 02:02:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 02:02:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-23 02:02:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-23 02:02:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:40,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2022-07-23 02:02:40,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:40,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328552361] [2022-07-23 02:02:40,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328552361] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 02:02:40,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095774091] [2022-07-23 02:02:40,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:40,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:02:40,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:02:40,348 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 02:02:40,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 02:02:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:41,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 3755 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:02:41,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:02:41,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1021 trivial. 0 not checked. [2022-07-23 02:02:41,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:02:41,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095774091] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:41,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:02:41,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-07-23 02:02:41,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030707251] [2022-07-23 02:02:41,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:41,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:02:41,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:41,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:02:41,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:02:41,635 INFO L87 Difference]: Start difference. First operand 28143 states and 38371 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2022-07-23 02:02:42,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:42,472 INFO L93 Difference]: Finished difference Result 56265 states and 76895 transitions. [2022-07-23 02:02:42,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:02:42,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) Word has length 430 [2022-07-23 02:02:42,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:42,582 INFO L225 Difference]: With dead ends: 56265 [2022-07-23 02:02:42,582 INFO L226 Difference]: Without dead ends: 28143 [2022-07-23 02:02:42,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 541 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:02:42,657 INFO L413 NwaCegarLoop]: 2432 mSDtfsCounter, 2195 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2195 SdHoareTripleChecker+Valid, 2432 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:42,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2195 Valid, 2432 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 02:02:42,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28143 states. [2022-07-23 02:02:43,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28143 to 28143. [2022-07-23 02:02:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28143 states, 20604 states have (on average 1.2922733449815569) internal successors, (26626), 20924 states have internal predecessors, (26626), 5851 states have call successors, (5851), 1688 states have call predecessors, (5851), 1687 states have return successors, (5867), 5790 states have call predecessors, (5867), 5851 states have call successors, (5867) [2022-07-23 02:02:43,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28143 states to 28143 states and 38344 transitions. [2022-07-23 02:02:43,738 INFO L78 Accepts]: Start accepts. Automaton has 28143 states and 38344 transitions. Word has length 430 [2022-07-23 02:02:43,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:43,739 INFO L495 AbstractCegarLoop]: Abstraction has 28143 states and 38344 transitions. [2022-07-23 02:02:43,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 2 states have internal predecessors, (155), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2022-07-23 02:02:43,740 INFO L276 IsEmpty]: Start isEmpty. Operand 28143 states and 38344 transitions. [2022-07-23 02:02:43,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-07-23 02:02:43,750 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:43,751 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:02:43,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-23 02:02:43,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-23 02:02:43,972 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:43,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:43,972 INFO L85 PathProgramCache]: Analyzing trace with hash 910807501, now seen corresponding path program 1 times [2022-07-23 02:02:43,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:43,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650957612] [2022-07-23 02:02:43,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:43,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:02:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:02:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:02:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:02:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:02:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:02:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:02:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:02:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:02:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:02:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:02:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:02:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:02:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:02:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:02:44,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:02:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:02:44,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:02:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:02:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 02:02:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 02:02:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 02:02:44,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-23 02:02:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 02:02:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 02:02:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 02:02:44,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-23 02:02:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-23 02:02:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:02:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:02:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 02:02:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-23 02:02:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 02:02:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-23 02:02:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-23 02:02:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:44,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2022-07-23 02:02:44,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:44,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650957612] [2022-07-23 02:02:44,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650957612] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 02:02:44,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628398083] [2022-07-23 02:02:44,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:44,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:02:44,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:02:44,548 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 02:02:44,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-23 02:02:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:45,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 3756 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:02:45,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:02:46,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1021 trivial. 0 not checked. [2022-07-23 02:02:46,012 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:02:46,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628398083] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:46,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:02:46,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-07-23 02:02:46,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801381297] [2022-07-23 02:02:46,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:46,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:02:46,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:46,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:02:46,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:02:46,015 INFO L87 Difference]: Start difference. First operand 28143 states and 38344 transitions. Second operand has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2022-07-23 02:02:46,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:46,898 INFO L93 Difference]: Finished difference Result 56265 states and 76841 transitions. [2022-07-23 02:02:46,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:02:46,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) Word has length 431 [2022-07-23 02:02:46,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:47,002 INFO L225 Difference]: With dead ends: 56265 [2022-07-23 02:02:47,002 INFO L226 Difference]: Without dead ends: 28143 [2022-07-23 02:02:47,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 542 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:02:47,073 INFO L413 NwaCegarLoop]: 2431 mSDtfsCounter, 2193 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2193 SdHoareTripleChecker+Valid, 2431 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:47,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2193 Valid, 2431 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 02:02:47,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28143 states. [2022-07-23 02:02:48,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28143 to 28143. [2022-07-23 02:02:48,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28143 states, 20604 states have (on average 1.2909629198213939) internal successors, (26599), 20924 states have internal predecessors, (26599), 5851 states have call successors, (5851), 1688 states have call predecessors, (5851), 1687 states have return successors, (5867), 5790 states have call predecessors, (5867), 5851 states have call successors, (5867) [2022-07-23 02:02:48,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28143 states to 28143 states and 38317 transitions. [2022-07-23 02:02:48,142 INFO L78 Accepts]: Start accepts. Automaton has 28143 states and 38317 transitions. Word has length 431 [2022-07-23 02:02:48,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:48,143 INFO L495 AbstractCegarLoop]: Abstraction has 28143 states and 38317 transitions. [2022-07-23 02:02:48,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.0) internal successors, (156), 2 states have internal predecessors, (156), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2022-07-23 02:02:48,144 INFO L276 IsEmpty]: Start isEmpty. Operand 28143 states and 38317 transitions. [2022-07-23 02:02:48,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2022-07-23 02:02:48,158 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:48,158 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:02:48,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-23 02:02:48,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:02:48,376 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:48,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:48,376 INFO L85 PathProgramCache]: Analyzing trace with hash -145180174, now seen corresponding path program 1 times [2022-07-23 02:02:48,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:48,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795963060] [2022-07-23 02:02:48,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:48,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:48,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:02:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:02:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:02:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:02:48,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:02:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:02:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:02:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:02:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:02:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:02:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:02:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:02:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:02:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:02:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:02:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:02:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:02:48,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:02:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:02:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 02:02:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 02:02:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 02:02:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-23 02:02:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 02:02:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 02:02:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 02:02:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-23 02:02:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-23 02:02:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:02:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:02:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 02:02:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-23 02:02:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 02:02:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-23 02:02:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-23 02:02:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:48,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2022-07-23 02:02:48,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:48,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795963060] [2022-07-23 02:02:48,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795963060] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 02:02:48,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680829561] [2022-07-23 02:02:48,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:48,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:02:48,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:02:48,729 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 02:02:48,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-23 02:02:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:49,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 3757 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:02:49,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:02:50,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1021 trivial. 0 not checked. [2022-07-23 02:02:50,136 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:02:50,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680829561] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:50,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:02:50,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-07-23 02:02:50,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370292730] [2022-07-23 02:02:50,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:50,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:02:50,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:50,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:02:50,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:02:50,142 INFO L87 Difference]: Start difference. First operand 28143 states and 38317 transitions. Second operand has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2022-07-23 02:02:50,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:50,875 INFO L93 Difference]: Finished difference Result 56265 states and 76787 transitions. [2022-07-23 02:02:50,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:02:50,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) Word has length 432 [2022-07-23 02:02:50,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:50,981 INFO L225 Difference]: With dead ends: 56265 [2022-07-23 02:02:50,981 INFO L226 Difference]: Without dead ends: 28143 [2022-07-23 02:02:51,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 549 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:02:51,065 INFO L413 NwaCegarLoop]: 2430 mSDtfsCounter, 2191 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2191 SdHoareTripleChecker+Valid, 2430 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:51,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2191 Valid, 2430 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 02:02:51,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28143 states. [2022-07-23 02:02:52,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28143 to 28143. [2022-07-23 02:02:52,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28143 states, 20604 states have (on average 1.2896524946612309) internal successors, (26572), 20924 states have internal predecessors, (26572), 5851 states have call successors, (5851), 1688 states have call predecessors, (5851), 1687 states have return successors, (5867), 5790 states have call predecessors, (5867), 5851 states have call successors, (5867) [2022-07-23 02:02:52,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28143 states to 28143 states and 38290 transitions. [2022-07-23 02:02:52,494 INFO L78 Accepts]: Start accepts. Automaton has 28143 states and 38290 transitions. Word has length 432 [2022-07-23 02:02:52,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:52,494 INFO L495 AbstractCegarLoop]: Abstraction has 28143 states and 38290 transitions. [2022-07-23 02:02:52,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.333333333333336) internal successors, (157), 2 states have internal predecessors, (157), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2022-07-23 02:02:52,495 INFO L276 IsEmpty]: Start isEmpty. Operand 28143 states and 38290 transitions. [2022-07-23 02:02:52,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2022-07-23 02:02:52,503 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:52,503 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:02:52,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-23 02:02:52,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:02:52,720 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:52,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:52,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1593456873, now seen corresponding path program 1 times [2022-07-23 02:02:52,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:52,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931214556] [2022-07-23 02:02:52,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:52,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:52,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:02:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:52,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:02:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:02:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:02:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:02:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:02:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:02:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:02:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:02:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:02:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:02:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:02:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:02:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:02:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:02:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:02:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:02:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:02:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:02:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 02:02:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:52,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 02:02:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:53,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 02:02:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:53,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-23 02:02:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:53,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:53,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 02:02:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:53,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 02:02:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:53,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 02:02:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:53,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-23 02:02:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:53,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-23 02:02:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:53,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:53,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:53,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:02:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:53,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:02:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:53,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 02:02:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:53,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-23 02:02:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:53,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 02:02:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:53,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-23 02:02:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:53,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-23 02:02:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:53,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2022-07-23 02:02:53,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:53,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931214556] [2022-07-23 02:02:53,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931214556] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 02:02:53,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092932766] [2022-07-23 02:02:53,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:53,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:02:53,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:02:53,071 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 02:02:53,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-23 02:02:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:53,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 3758 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:02:53,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:02:54,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1021 trivial. 0 not checked. [2022-07-23 02:02:54,355 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:02:54,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092932766] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:54,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:02:54,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-07-23 02:02:54,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121536106] [2022-07-23 02:02:54,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:54,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:02:54,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:54,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:02:54,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:02:54,357 INFO L87 Difference]: Start difference. First operand 28143 states and 38290 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2022-07-23 02:02:55,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:55,234 INFO L93 Difference]: Finished difference Result 56265 states and 76733 transitions. [2022-07-23 02:02:55,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:02:55,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) Word has length 433 [2022-07-23 02:02:55,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:55,333 INFO L225 Difference]: With dead ends: 56265 [2022-07-23 02:02:55,334 INFO L226 Difference]: Without dead ends: 28143 [2022-07-23 02:02:55,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 544 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:02:55,392 INFO L413 NwaCegarLoop]: 2429 mSDtfsCounter, 2189 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2189 SdHoareTripleChecker+Valid, 2429 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:55,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2189 Valid, 2429 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 02:02:55,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28143 states. [2022-07-23 02:02:56,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28143 to 28143. [2022-07-23 02:02:56,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28143 states, 20604 states have (on average 1.2883420695010677) internal successors, (26545), 20924 states have internal predecessors, (26545), 5851 states have call successors, (5851), 1688 states have call predecessors, (5851), 1687 states have return successors, (5867), 5790 states have call predecessors, (5867), 5851 states have call successors, (5867) [2022-07-23 02:02:56,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28143 states to 28143 states and 38263 transitions. [2022-07-23 02:02:56,471 INFO L78 Accepts]: Start accepts. Automaton has 28143 states and 38263 transitions. Word has length 433 [2022-07-23 02:02:56,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:02:56,471 INFO L495 AbstractCegarLoop]: Abstraction has 28143 states and 38263 transitions. [2022-07-23 02:02:56,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 2 states have internal predecessors, (158), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2022-07-23 02:02:56,472 INFO L276 IsEmpty]: Start isEmpty. Operand 28143 states and 38263 transitions. [2022-07-23 02:02:56,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2022-07-23 02:02:56,480 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:02:56,481 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:02:56,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-23 02:02:56,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-07-23 02:02:56,724 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:02:56,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:02:56,725 INFO L85 PathProgramCache]: Analyzing trace with hash -228852914, now seen corresponding path program 1 times [2022-07-23 02:02:56,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:02:56,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179601342] [2022-07-23 02:02:56,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:56,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:02:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:02:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:02:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:02:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:02:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:02:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:02:56,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:02:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:02:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:56,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:02:56,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:02:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:02:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:02:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:02:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:02:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:56,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:02:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:02:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:02:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:02:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:02:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:02:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:02:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:02:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:02:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:02:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:02:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:56,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 02:02:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 02:02:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 02:02:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-23 02:02:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 02:02:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 02:02:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 02:02:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-23 02:02:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-23 02:02:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:02:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:02:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:02:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 02:02:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-23 02:02:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 02:02:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-23 02:02:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-23 02:02:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:56,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2022-07-23 02:02:56,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:02:56,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179601342] [2022-07-23 02:02:56,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179601342] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 02:02:56,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312406771] [2022-07-23 02:02:56,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:02:56,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:02:56,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:02:56,995 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 02:02:56,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-23 02:02:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:02:57,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 3759 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:02:57,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:02:58,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1021 trivial. 0 not checked. [2022-07-23 02:02:58,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:02:58,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312406771] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:02:58,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:02:58,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2022-07-23 02:02:58,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385807670] [2022-07-23 02:02:58,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:02:58,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:02:58,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:02:58,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:02:58,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:02:58,392 INFO L87 Difference]: Start difference. First operand 28143 states and 38263 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2022-07-23 02:02:59,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:02:59,662 INFO L93 Difference]: Finished difference Result 56265 states and 76679 transitions. [2022-07-23 02:02:59,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:02:59,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) Word has length 434 [2022-07-23 02:02:59,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:02:59,752 INFO L225 Difference]: With dead ends: 56265 [2022-07-23 02:02:59,752 INFO L226 Difference]: Without dead ends: 28143 [2022-07-23 02:02:59,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:02:59,805 INFO L413 NwaCegarLoop]: 2428 mSDtfsCounter, 2187 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2187 SdHoareTripleChecker+Valid, 2428 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:02:59,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2187 Valid, 2428 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 02:02:59,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28143 states. [2022-07-23 02:03:00,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28143 to 28143. [2022-07-23 02:03:00,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28143 states, 20604 states have (on average 1.2870316443409047) internal successors, (26518), 20924 states have internal predecessors, (26518), 5851 states have call successors, (5851), 1688 states have call predecessors, (5851), 1687 states have return successors, (5867), 5790 states have call predecessors, (5867), 5851 states have call successors, (5867) [2022-07-23 02:03:01,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28143 states to 28143 states and 38236 transitions. [2022-07-23 02:03:01,070 INFO L78 Accepts]: Start accepts. Automaton has 28143 states and 38236 transitions. Word has length 434 [2022-07-23 02:03:01,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:01,071 INFO L495 AbstractCegarLoop]: Abstraction has 28143 states and 38236 transitions. [2022-07-23 02:03:01,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 2 states have internal predecessors, (159), 1 states have call successors, (47), 1 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2022-07-23 02:03:01,071 INFO L276 IsEmpty]: Start isEmpty. Operand 28143 states and 38236 transitions. [2022-07-23 02:03:01,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2022-07-23 02:03:01,087 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:01,088 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:03:01,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-23 02:03:01,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-07-23 02:03:01,294 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:01,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:01,295 INFO L85 PathProgramCache]: Analyzing trace with hash -771364859, now seen corresponding path program 1 times [2022-07-23 02:03:01,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:03:01,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131192698] [2022-07-23 02:03:01,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:01,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:03:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:03:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:03:01,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:03:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:03:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:03:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:03:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:03:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:01,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:03:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:03:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:03:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:03:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:03:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:03:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:03:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:03:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:03:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:03:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:03:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:03:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:03:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:03:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:03:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:03:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:03:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:03:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:03:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:03:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 02:03:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 02:03:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 02:03:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-23 02:03:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 02:03:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 02:03:01,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 02:03:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-23 02:03:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-23 02:03:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:03:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:03:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 02:03:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-23 02:03:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 02:03:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-23 02:03:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-23 02:03:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:01,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2022-07-23 02:03:01,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:03:01,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131192698] [2022-07-23 02:03:01,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131192698] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 02:03:01,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439936803] [2022-07-23 02:03:01,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:01,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:03:01,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:03:01,709 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 02:03:01,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-23 02:03:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:02,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 3760 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:03:02,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:03:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1018 trivial. 0 not checked. [2022-07-23 02:03:02,613 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:03:02,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439936803] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:03:02,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:03:02,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-07-23 02:03:02,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706298640] [2022-07-23 02:03:02,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:03:02,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:03:02,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:03:02,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:03:02,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:03:02,615 INFO L87 Difference]: Start difference. First operand 28143 states and 38236 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-23 02:03:03,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:03,660 INFO L93 Difference]: Finished difference Result 56585 states and 76996 transitions. [2022-07-23 02:03:03,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:03:03,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 435 [2022-07-23 02:03:03,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:03,769 INFO L225 Difference]: With dead ends: 56585 [2022-07-23 02:03:03,770 INFO L226 Difference]: Without dead ends: 28463 [2022-07-23 02:03:03,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 552 GetRequests, 546 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:03:03,847 INFO L413 NwaCegarLoop]: 2426 mSDtfsCounter, 12 mSDsluCounter, 2417 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 4843 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:03,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 4843 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 02:03:03,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28463 states. [2022-07-23 02:03:05,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28463 to 28183. [2022-07-23 02:03:05,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28183 states, 20644 states have (on average 1.2864754892462702) internal successors, (26558), 20964 states have internal predecessors, (26558), 5851 states have call successors, (5851), 1688 states have call predecessors, (5851), 1687 states have return successors, (5867), 5790 states have call predecessors, (5867), 5851 states have call successors, (5867) [2022-07-23 02:03:05,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28183 states to 28183 states and 38276 transitions. [2022-07-23 02:03:05,333 INFO L78 Accepts]: Start accepts. Automaton has 28183 states and 38276 transitions. Word has length 435 [2022-07-23 02:03:05,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:05,333 INFO L495 AbstractCegarLoop]: Abstraction has 28183 states and 38276 transitions. [2022-07-23 02:03:05,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-23 02:03:05,334 INFO L276 IsEmpty]: Start isEmpty. Operand 28183 states and 38276 transitions. [2022-07-23 02:03:05,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2022-07-23 02:03:05,343 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:05,343 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:03:05,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-23 02:03:05,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:03:05,550 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:05,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:05,550 INFO L85 PathProgramCache]: Analyzing trace with hash -543999131, now seen corresponding path program 1 times [2022-07-23 02:03:05,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:03:05,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367652765] [2022-07-23 02:03:05,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:05,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:03:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:03:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:03:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:03:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:03:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:03:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:03:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:03:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:03:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:03:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:03:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:03:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:03:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:03:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:03:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:03:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:03:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:03:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:03:05,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:03:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:03:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:03:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:03:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:03:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:03:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:03:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:03:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:03:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 02:03:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 02:03:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 02:03:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-23 02:03:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 02:03:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 02:03:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 02:03:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-23 02:03:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-23 02:03:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:03:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:03:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 02:03:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-23 02:03:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 02:03:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-23 02:03:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-23 02:03:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:05,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1022 trivial. 0 not checked. [2022-07-23 02:03:05,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:03:05,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367652765] [2022-07-23 02:03:05,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367652765] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 02:03:05,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235441247] [2022-07-23 02:03:05,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:05,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:03:05,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:03:05,932 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 02:03:05,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-23 02:03:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:06,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 3814 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:03:06,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:03:06,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2022-07-23 02:03:06,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:03:06,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235441247] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:03:06,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:03:06,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2022-07-23 02:03:06,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606446640] [2022-07-23 02:03:06,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:03:06,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:03:06,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:03:06,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:03:06,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:03:06,818 INFO L87 Difference]: Start difference. First operand 28183 states and 38276 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-23 02:03:07,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:07,899 INFO L93 Difference]: Finished difference Result 56609 states and 76993 transitions. [2022-07-23 02:03:07,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:03:07,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 443 [2022-07-23 02:03:07,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:08,009 INFO L225 Difference]: With dead ends: 56609 [2022-07-23 02:03:08,010 INFO L226 Difference]: Without dead ends: 28447 [2022-07-23 02:03:08,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 554 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 02:03:08,087 INFO L413 NwaCegarLoop]: 2423 mSDtfsCounter, 7 mSDsluCounter, 2416 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 4839 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:08,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 4839 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 02:03:08,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28447 states. [2022-07-23 02:03:09,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28447 to 28249. [2022-07-23 02:03:09,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28249 states, 20710 states have (on average 1.2855625301786577) internal successors, (26624), 21030 states have internal predecessors, (26624), 5851 states have call successors, (5851), 1688 states have call predecessors, (5851), 1687 states have return successors, (5867), 5790 states have call predecessors, (5867), 5851 states have call successors, (5867) [2022-07-23 02:03:09,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28249 states to 28249 states and 38342 transitions. [2022-07-23 02:03:09,308 INFO L78 Accepts]: Start accepts. Automaton has 28249 states and 38342 transitions. Word has length 443 [2022-07-23 02:03:09,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:09,309 INFO L495 AbstractCegarLoop]: Abstraction has 28249 states and 38342 transitions. [2022-07-23 02:03:09,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 2 states have call successors, (47), 2 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-23 02:03:09,310 INFO L276 IsEmpty]: Start isEmpty. Operand 28249 states and 38342 transitions. [2022-07-23 02:03:09,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2022-07-23 02:03:09,318 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:09,318 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:03:09,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-23 02:03:09,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-07-23 02:03:09,537 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:09,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:09,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1900564969, now seen corresponding path program 1 times [2022-07-23 02:03:09,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:03:09,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618920816] [2022-07-23 02:03:09,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:09,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:03:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:03:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:03:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:03:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:03:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:03:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:03:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:03:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:03:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:03:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:03:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:03:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:03:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:03:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:03:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:03:09,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:03:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:03:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:09,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:03:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:03:10,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:03:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:03:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:03:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:03:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:03:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:03:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:03:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:03:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:10,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 02:03:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 02:03:10,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 02:03:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-23 02:03:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 02:03:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 02:03:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 02:03:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-23 02:03:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-23 02:03:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:03:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:03:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 02:03:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-23 02:03:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 02:03:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-23 02:03:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-23 02:03:10,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:10,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2022-07-23 02:03:10,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:03:10,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618920816] [2022-07-23 02:03:10,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618920816] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 02:03:10,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564303205] [2022-07-23 02:03:10,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:10,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:03:10,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:03:10,138 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 02:03:10,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-23 02:03:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:11,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 3863 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-23 02:03:11,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:03:11,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 50 proven. 1 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2022-07-23 02:03:11,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:03:11,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2022-07-23 02:03:11,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564303205] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 02:03:11,370 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 02:03:11,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2022-07-23 02:03:11,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250458720] [2022-07-23 02:03:11,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 02:03:11,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-23 02:03:11,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:03:11,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 02:03:11,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:03:11,372 INFO L87 Difference]: Start difference. First operand 28249 states and 38342 transitions. Second operand has 10 states, 10 states have (on average 22.1) internal successors, (221), 7 states have internal predecessors, (221), 3 states have call successors, (71), 5 states have call predecessors, (71), 2 states have return successors, (53), 2 states have call predecessors, (53), 3 states have call successors, (53) [2022-07-23 02:03:16,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:16,566 INFO L93 Difference]: Finished difference Result 58523 states and 79702 transitions. [2022-07-23 02:03:16,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-23 02:03:16,567 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 22.1) internal successors, (221), 7 states have internal predecessors, (221), 3 states have call successors, (71), 5 states have call predecessors, (71), 2 states have return successors, (53), 2 states have call predecessors, (53), 3 states have call successors, (53) Word has length 445 [2022-07-23 02:03:16,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:16,679 INFO L225 Difference]: With dead ends: 58523 [2022-07-23 02:03:16,679 INFO L226 Difference]: Without dead ends: 30295 [2022-07-23 02:03:16,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1022 GetRequests, 1002 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2022-07-23 02:03:16,742 INFO L413 NwaCegarLoop]: 2234 mSDtfsCounter, 1941 mSDsluCounter, 8024 mSDsCounter, 0 mSdLazyCounter, 6106 mSolverCounterSat, 1770 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1981 SdHoareTripleChecker+Valid, 10258 SdHoareTripleChecker+Invalid, 7876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1770 IncrementalHoareTripleChecker+Valid, 6106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:16,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1981 Valid, 10258 Invalid, 7876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1770 Valid, 6106 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-07-23 02:03:16,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30295 states. [2022-07-23 02:03:17,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30295 to 28417. [2022-07-23 02:03:17,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28417 states, 20869 states have (on average 1.2834826776558532) internal successors, (26785), 21189 states have internal predecessors, (26785), 5856 states have call successors, (5856), 1688 states have call predecessors, (5856), 1691 states have return successors, (5883), 5799 states have call predecessors, (5883), 5856 states have call successors, (5883) [2022-07-23 02:03:17,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28417 states to 28417 states and 38524 transitions. [2022-07-23 02:03:17,928 INFO L78 Accepts]: Start accepts. Automaton has 28417 states and 38524 transitions. Word has length 445 [2022-07-23 02:03:17,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:17,928 INFO L495 AbstractCegarLoop]: Abstraction has 28417 states and 38524 transitions. [2022-07-23 02:03:17,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 22.1) internal successors, (221), 7 states have internal predecessors, (221), 3 states have call successors, (71), 5 states have call predecessors, (71), 2 states have return successors, (53), 2 states have call predecessors, (53), 3 states have call successors, (53) [2022-07-23 02:03:17,929 INFO L276 IsEmpty]: Start isEmpty. Operand 28417 states and 38524 transitions. [2022-07-23 02:03:17,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-07-23 02:03:17,937 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:03:17,938 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 12, 12, 12, 8, 8, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:03:17,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-23 02:03:18,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-07-23 02:03:18,159 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:03:18,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:03:18,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1878388705, now seen corresponding path program 2 times [2022-07-23 02:03:18,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 02:03:18,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377518454] [2022-07-23 02:03:18,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:03:18,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 02:03:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-23 02:03:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-23 02:03:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-23 02:03:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-23 02:03:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-23 02:03:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 02:03:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-23 02:03:18,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-23 02:03:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 02:03:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-23 02:03:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-23 02:03:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 02:03:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-23 02:03:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-23 02:03:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 02:03:18,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 02:03:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 02:03:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:03:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:03:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-23 02:03:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 02:03:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-23 02:03:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-23 02:03:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-23 02:03:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 02:03:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 02:03:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 02:03:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-23 02:03:18,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-23 02:03:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-23 02:03:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-23 02:03:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-23 02:03:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 02:03:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 02:03:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-23 02:03:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-23 02:03:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 02:03:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-23 02:03:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-23 02:03:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-23 02:03:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-23 02:03:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-23 02:03:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-23 02:03:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-23 02:03:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:03:18,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1042 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1041 trivial. 0 not checked. [2022-07-23 02:03:18,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 02:03:18,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377518454] [2022-07-23 02:03:18,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377518454] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 02:03:18,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558290184] [2022-07-23 02:03:18,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 02:03:18,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:03:18,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:03:18,538 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 02:03:18,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-23 02:03:19,401 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 02:03:19,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 02:03:19,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 2442 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-23 02:03:19,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:03:19,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1042 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1042 trivial. 0 not checked. [2022-07-23 02:03:19,446 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:03:19,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558290184] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:03:19,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:03:19,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2022-07-23 02:03:19,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239608662] [2022-07-23 02:03:19,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:03:19,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:03:19,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 02:03:19,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:03:19,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:03:19,450 INFO L87 Difference]: Start difference. First operand 28417 states and 38524 transitions. Second operand has 5 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-23 02:03:20,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:03:20,596 INFO L93 Difference]: Finished difference Result 56325 states and 76498 transitions. [2022-07-23 02:03:20,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:03:20,597 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 453 [2022-07-23 02:03:20,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:03:20,602 INFO L225 Difference]: With dead ends: 56325 [2022-07-23 02:03:20,602 INFO L226 Difference]: Without dead ends: 0 [2022-07-23 02:03:20,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 571 GetRequests, 562 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-07-23 02:03:20,699 INFO L413 NwaCegarLoop]: 2399 mSDtfsCounter, 8 mSDsluCounter, 7187 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 9586 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 02:03:20,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 9586 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 02:03:20,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-23 02:03:20,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-23 02:03:20,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 02:03:20,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 02:03:20,705 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 453 [2022-07-23 02:03:20,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:03:20,706 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 02:03:20,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (47), 3 states have call predecessors, (47), 2 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2022-07-23 02:03:20,706 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-23 02:03:20,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-23 02:03:20,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-23 02:03:20,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-23 02:03:20,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 02:03:20,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.