./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.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 ecea5961d53d2608898d65c83a7bf6d9a36712172eaf67bd828ea354982e0e3d --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 00:29:19,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 00:29:19,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 00:29:19,916 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 00:29:19,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 00:29:19,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 00:29:19,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 00:29:19,920 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 00:29:19,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 00:29:19,922 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 00:29:19,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 00:29:19,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 00:29:19,924 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 00:29:19,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 00:29:19,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 00:29:19,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 00:29:19,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 00:29:19,931 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 00:29:19,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 00:29:19,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 00:29:19,937 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 00:29:19,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 00:29:19,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 00:29:19,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 00:29:19,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 00:29:19,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 00:29:19,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 00:29:19,945 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 00:29:19,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 00:29:19,946 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 00:29:19,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 00:29:19,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 00:29:19,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 00:29:19,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 00:29:19,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 00:29:19,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 00:29:19,950 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 00:29:19,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 00:29:19,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 00:29:19,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 00:29:19,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 00:29:19,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 00:29:19,953 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 00:29:19,975 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 00:29:19,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 00:29:19,976 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 00:29:19,976 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 00:29:19,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 00:29:19,977 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 00:29:19,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 00:29:19,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 00:29:19,978 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 00:29:19,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 00:29:19,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 00:29:19,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 00:29:19,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 00:29:19,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 00:29:19,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 00:29:19,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 00:29:19,979 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 00:29:19,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 00:29:19,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 00:29:19,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 00:29:19,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 00:29:19,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:29:19,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 00:29:19,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 00:29:19,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 00:29:19,981 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 00:29:19,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 00:29:19,981 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 00:29:19,981 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 00:29:19,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 00:29:19,982 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecea5961d53d2608898d65c83a7bf6d9a36712172eaf67bd828ea354982e0e3d [2022-07-14 00:29:20,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 00:29:20,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 00:29:20,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 00:29:20,179 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 00:29:20,179 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 00:29:20,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i [2022-07-14 00:29:20,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/909b5e6d9/befd66b2741d479bac57a11d471cf010/FLAG043adc17d [2022-07-14 00:29:20,890 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 00:29:20,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i [2022-07-14 00:29:20,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/909b5e6d9/befd66b2741d479bac57a11d471cf010/FLAG043adc17d [2022-07-14 00:29:21,277 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/909b5e6d9/befd66b2741d479bac57a11d471cf010 [2022-07-14 00:29:21,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 00:29:21,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 00:29:21,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 00:29:21,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 00:29:21,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 00:29:21,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:29:21" (1/1) ... [2022-07-14 00:29:21,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15a05b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:29:21, skipping insertion in model container [2022-07-14 00:29:21,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 12:29:21" (1/1) ... [2022-07-14 00:29:21,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 00:29:21,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 00:29:21,793 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2022-07-14 00:29:21,794 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5339-5340] [2022-07-14 00:29:21,927 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i[158055,158068] [2022-07-14 00:29:23,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:29:23,674 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 00:29:23,742 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2022-07-14 00:29:23,743 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5339-5340] [2022-07-14 00:29:23,746 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i[158055,158068] [2022-07-14 00:29:23,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 00:29:24,114 INFO L208 MainTranslator]: Completed translation [2022-07-14 00:29:24,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:29:24 WrapperNode [2022-07-14 00:29:24,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 00:29:24,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 00:29:24,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 00:29:24,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 00:29:24,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:29:24" (1/1) ... [2022-07-14 00:29:24,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:29:24" (1/1) ... [2022-07-14 00:29:24,430 INFO L137 Inliner]: procedures = 437, calls = 4988, calls flagged for inlining = 192, calls inlined = 174, statements flattened = 10313 [2022-07-14 00:29:24,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 00:29:24,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 00:29:24,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 00:29:24,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 00:29:24,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:29:24" (1/1) ... [2022-07-14 00:29:24,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:29:24" (1/1) ... [2022-07-14 00:29:24,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:29:24" (1/1) ... [2022-07-14 00:29:24,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:29:24" (1/1) ... [2022-07-14 00:29:24,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:29:24" (1/1) ... [2022-07-14 00:29:24,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:29:24" (1/1) ... [2022-07-14 00:29:24,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:29:24" (1/1) ... [2022-07-14 00:29:24,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 00:29:24,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 00:29:24,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 00:29:24,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 00:29:24,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:29:24" (1/1) ... [2022-07-14 00:29:24,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 00:29:24,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 00:29:24,745 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) [2022-07-14 00:29:24,758 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 [2022-07-14 00:29:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2022-07-14 00:29:24,771 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2022-07-14 00:29:24,771 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 00:29:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 00:29:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-14 00:29:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-14 00:29:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 00:29:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 00:29:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2022-07-14 00:29:24,772 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2022-07-14 00:29:24,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-14 00:29:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-14 00:29:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2022-07-14 00:29:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2022-07-14 00:29:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 00:29:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 00:29:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 00:29:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 00:29:24,773 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 00:29:24,773 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 00:29:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 00:29:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 00:29:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-14 00:29:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-14 00:29:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-14 00:29:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-14 00:29:24,774 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-14 00:29:24,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-14 00:29:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 00:29:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 00:29:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-14 00:29:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-14 00:29:24,775 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 00:29:24,775 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 00:29:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-14 00:29:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-14 00:29:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 00:29:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 00:29:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2022-07-14 00:29:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2022-07-14 00:29:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 00:29:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 00:29:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-14 00:29:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-14 00:29:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 00:29:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 00:29:24,777 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 00:29:24,777 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 00:29:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 00:29:24,778 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 00:29:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 00:29:24,778 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2022-07-14 00:29:24,779 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2022-07-14 00:29:24,779 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-14 00:29:24,779 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-14 00:29:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2022-07-14 00:29:24,780 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2022-07-14 00:29:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 00:29:24,780 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 00:29:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 00:29:24,780 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 00:29:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2022-07-14 00:29:24,780 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2022-07-14 00:29:24,780 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2022-07-14 00:29:24,781 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2022-07-14 00:29:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 00:29:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2022-07-14 00:29:24,781 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2022-07-14 00:29:24,781 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 00:29:24,782 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 00:29:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 00:29:24,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 00:29:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 00:29:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-14 00:29:24,782 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-14 00:29:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 00:29:24,782 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-14 00:29:24,783 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-14 00:29:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 00:29:24,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 00:29:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 00:29:24,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 00:29:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-14 00:29:24,783 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-14 00:29:24,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 00:29:24,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 00:29:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-14 00:29:24,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-14 00:29:24,784 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 00:29:24,784 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 00:29:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2022-07-14 00:29:24,785 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2022-07-14 00:29:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 00:29:24,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 00:29:24,785 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2022-07-14 00:29:24,786 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2022-07-14 00:29:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 00:29:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-14 00:29:24,786 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-14 00:29:24,786 INFO L130 BoogieDeclarations]: Found specification of procedure private_ioctl [2022-07-14 00:29:24,787 INFO L138 BoogieDeclarations]: Found implementation of procedure private_ioctl [2022-07-14 00:29:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 00:29:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 00:29:24,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 00:29:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 00:29:24,787 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2022-07-14 00:29:24,787 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2022-07-14 00:29:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-14 00:29:24,788 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-14 00:29:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-14 00:29:24,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-14 00:29:24,788 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-14 00:29:24,788 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-14 00:29:24,789 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 00:29:24,789 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 00:29:24,791 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-14 00:29:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-14 00:29:24,791 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 00:29:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 00:29:24,792 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-14 00:29:24,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-14 00:29:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 00:29:24,793 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 00:29:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 00:29:24,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 00:29:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 00:29:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 00:29:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 00:29:24,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 00:29:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 00:29:24,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 00:29:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-14 00:29:24,798 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-14 00:29:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-14 00:29:24,798 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-14 00:29:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2022-07-14 00:29:24,798 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2022-07-14 00:29:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 00:29:24,798 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 00:29:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-07-14 00:29:24,799 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-07-14 00:29:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-14 00:29:24,799 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-14 00:29:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2022-07-14 00:29:24,799 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2022-07-14 00:29:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 00:29:24,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 00:29:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2022-07-14 00:29:24,800 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2022-07-14 00:29:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-07-14 00:29:24,800 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-07-14 00:29:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-14 00:29:24,800 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-14 00:29:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 00:29:24,800 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 00:29:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-14 00:29:24,800 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-14 00:29:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 00:29:24,801 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 00:29:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 00:29:24,801 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 00:29:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-14 00:29:24,801 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-14 00:29:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-14 00:29:24,801 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-14 00:29:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_get_stats [2022-07-14 00:29:24,802 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_get_stats [2022-07-14 00:29:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 00:29:24,802 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 00:29:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 00:29:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2022-07-14 00:29:24,802 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2022-07-14 00:29:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 00:29:24,802 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 00:29:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 00:29:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-14 00:29:24,803 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-14 00:29:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-14 00:29:24,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-14 00:29:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-14 00:29:24,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-14 00:29:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-14 00:29:24,803 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-14 00:29:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 00:29:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2022-07-14 00:29:24,804 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2022-07-14 00:29:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2022-07-14 00:29:24,804 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2022-07-14 00:29:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2022-07-14 00:29:24,804 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2022-07-14 00:29:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 00:29:24,804 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 00:29:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2022-07-14 00:29:24,805 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2022-07-14 00:29:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 00:29:24,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 00:29:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-14 00:29:24,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-14 00:29:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2022-07-14 00:29:24,805 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2022-07-14 00:29:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___0 [2022-07-14 00:29:24,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___0 [2022-07-14 00:29:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 00:29:24,806 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 00:29:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-14 00:29:24,806 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-14 00:29:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 00:29:24,806 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 00:29:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 00:29:24,806 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 00:29:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 00:29:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-07-14 00:29:24,807 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-07-14 00:29:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2022-07-14 00:29:24,807 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2022-07-14 00:29:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 00:29:24,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 00:29:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-07-14 00:29:24,807 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-07-14 00:29:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2022-07-14 00:29:24,808 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2022-07-14 00:29:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 00:29:24,808 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 00:29:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-14 00:29:24,808 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-14 00:29:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 00:29:24,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 00:29:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-14 00:29:24,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-14 00:29:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 00:29:24,809 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 00:29:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-14 00:29:24,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-14 00:29:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-14 00:29:24,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-14 00:29:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2022-07-14 00:29:24,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2022-07-14 00:29:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-14 00:29:24,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-14 00:29:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2022-07-14 00:29:24,810 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2022-07-14 00:29:24,811 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2022-07-14 00:29:24,813 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2022-07-14 00:29:24,813 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 00:29:24,813 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 00:29:24,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 00:29:25,606 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 00:29:25,608 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 00:29:26,109 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 00:29:31,155 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 00:29:31,178 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 00:29:31,180 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-14 00:29:31,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:29:31 BoogieIcfgContainer [2022-07-14 00:29:31,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 00:29:31,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 00:29:31,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 00:29:31,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 00:29:31,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 12:29:21" (1/3) ... [2022-07-14 00:29:31,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4bc8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:29:31, skipping insertion in model container [2022-07-14 00:29:31,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 12:29:24" (2/3) ... [2022-07-14 00:29:31,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e4bc8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 12:29:31, skipping insertion in model container [2022-07-14 00:29:31,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 12:29:31" (3/3) ... [2022-07-14 00:29:31,189 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i [2022-07-14 00:29:31,198 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 00:29:31,199 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 00:29:31,278 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 00:29:31,284 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@31da9b10, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@164893d7 [2022-07-14 00:29:31,285 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 00:29:31,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 3341 states, 2445 states have (on average 1.474437627811861) internal successors, (3605), 2539 states have internal predecessors, (3605), 781 states have call successors, (781), 115 states have call predecessors, (781), 114 states have return successors, (772), 738 states have call predecessors, (772), 772 states have call successors, (772) [2022-07-14 00:29:31,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-14 00:29:31,319 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:29:31,320 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-07-14 00:29:31,321 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:29:31,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:29:31,326 INFO L85 PathProgramCache]: Analyzing trace with hash 424466121, now seen corresponding path program 1 times [2022-07-14 00:29:31,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:29:31,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426018710] [2022-07-14 00:29:31,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:29:31,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:29:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:31,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:29:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:31,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:29:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:31,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:29:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:31,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:29:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:31,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:29:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:31,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:29:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:31,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-14 00:29:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:31,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 00:29:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:31,939 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-14 00:29:31,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:29:31,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426018710] [2022-07-14 00:29:31,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426018710] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:29:31,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:29:31,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 00:29:31,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252677447] [2022-07-14 00:29:31,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:29:31,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 00:29:31,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:29:31,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 00:29:31,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 00:29:31,981 INFO L87 Difference]: Start difference. First operand has 3341 states, 2445 states have (on average 1.474437627811861) internal successors, (3605), 2539 states have internal predecessors, (3605), 781 states have call successors, (781), 115 states have call predecessors, (781), 114 states have return successors, (772), 738 states have call predecessors, (772), 772 states have call successors, (772) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-14 00:29:42,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:29:42,554 INFO L93 Difference]: Finished difference Result 9992 states and 15605 transitions. [2022-07-14 00:29:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:29:42,558 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2022-07-14 00:29:42,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:29:42,612 INFO L225 Difference]: With dead ends: 9992 [2022-07-14 00:29:42,613 INFO L226 Difference]: Without dead ends: 6609 [2022-07-14 00:29:42,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:29:42,640 INFO L413 NwaCegarLoop]: 5065 mSDtfsCounter, 7018 mSDsluCounter, 7241 mSDsCounter, 0 mSdLazyCounter, 6007 mSolverCounterSat, 4264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7538 SdHoareTripleChecker+Valid, 12306 SdHoareTripleChecker+Invalid, 10271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4264 IncrementalHoareTripleChecker+Valid, 6007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-07-14 00:29:42,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7538 Valid, 12306 Invalid, 10271 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4264 Valid, 6007 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2022-07-14 00:29:42,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6609 states. [2022-07-14 00:29:42,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6609 to 6043. [2022-07-14 00:29:43,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6043 states, 4442 states have (on average 1.3847366051328232) internal successors, (6151), 4589 states have internal predecessors, (6151), 1386 states have call successors, (1386), 214 states have call predecessors, (1386), 214 states have return successors, (1389), 1321 states have call predecessors, (1389), 1385 states have call successors, (1389) [2022-07-14 00:29:43,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6043 states to 6043 states and 8926 transitions. [2022-07-14 00:29:43,049 INFO L78 Accepts]: Start accepts. Automaton has 6043 states and 8926 transitions. Word has length 71 [2022-07-14 00:29:43,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:29:43,051 INFO L495 AbstractCegarLoop]: Abstraction has 6043 states and 8926 transitions. [2022-07-14 00:29:43,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-14 00:29:43,051 INFO L276 IsEmpty]: Start isEmpty. Operand 6043 states and 8926 transitions. [2022-07-14 00:29:43,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-14 00:29:43,060 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:29:43,061 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-07-14 00:29:43,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 00:29:43,062 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:29:43,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:29:43,062 INFO L85 PathProgramCache]: Analyzing trace with hash -953532552, now seen corresponding path program 1 times [2022-07-14 00:29:43,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:29:43,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550029316] [2022-07-14 00:29:43,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:29:43,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:29:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:43,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:29:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:43,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:29:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:43,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:29:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:43,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:29:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:43,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:29:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:43,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:29:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:43,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 00:29:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:43,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 00:29:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:43,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:29:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:43,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 00:29:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:43,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 00:29:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:43,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-14 00:29:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:43,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 00:29:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:43,457 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-14 00:29:43,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:29:43,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550029316] [2022-07-14 00:29:43,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550029316] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:29:43,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:29:43,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 00:29:43,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919922227] [2022-07-14 00:29:43,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:29:43,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 00:29:43,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:29:43,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 00:29:43,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:29:43,463 INFO L87 Difference]: Start difference. First operand 6043 states and 8926 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 00:29:52,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:29:52,887 INFO L93 Difference]: Finished difference Result 12672 states and 18840 transitions. [2022-07-14 00:29:52,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 00:29:52,887 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 113 [2022-07-14 00:29:52,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:29:52,922 INFO L225 Difference]: With dead ends: 12672 [2022-07-14 00:29:52,922 INFO L226 Difference]: Without dead ends: 6640 [2022-07-14 00:29:52,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2022-07-14 00:29:52,945 INFO L413 NwaCegarLoop]: 4540 mSDtfsCounter, 7221 mSDsluCounter, 9642 mSDsCounter, 0 mSdLazyCounter, 7594 mSolverCounterSat, 3892 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7745 SdHoareTripleChecker+Valid, 14182 SdHoareTripleChecker+Invalid, 11486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3892 IncrementalHoareTripleChecker+Valid, 7594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-07-14 00:29:52,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7745 Valid, 14182 Invalid, 11486 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3892 Valid, 7594 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2022-07-14 00:29:52,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6640 states. [2022-07-14 00:29:53,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6640 to 6058. [2022-07-14 00:29:53,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6058 states, 4453 states have (on average 1.3833370761284527) internal successors, (6160), 4600 states have internal predecessors, (6160), 1387 states have call successors, (1387), 217 states have call predecessors, (1387), 217 states have return successors, (1390), 1322 states have call predecessors, (1390), 1386 states have call successors, (1390) [2022-07-14 00:29:53,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6058 states to 6058 states and 8937 transitions. [2022-07-14 00:29:53,182 INFO L78 Accepts]: Start accepts. Automaton has 6058 states and 8937 transitions. Word has length 113 [2022-07-14 00:29:53,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:29:53,184 INFO L495 AbstractCegarLoop]: Abstraction has 6058 states and 8937 transitions. [2022-07-14 00:29:53,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 00:29:53,185 INFO L276 IsEmpty]: Start isEmpty. Operand 6058 states and 8937 transitions. [2022-07-14 00:29:53,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-14 00:29:53,190 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:29:53,190 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-07-14 00:29:53,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 00:29:53,190 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:29:53,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:29:53,191 INFO L85 PathProgramCache]: Analyzing trace with hash 75826746, now seen corresponding path program 1 times [2022-07-14 00:29:53,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:29:53,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975155342] [2022-07-14 00:29:53,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:29:53,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:29:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:53,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:29:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:53,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:29:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:53,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:29:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:53,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:29:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:53,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:29:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:53,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:29:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:53,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 00:29:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:53,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-14 00:29:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:53,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:29:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:53,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-14 00:29:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:53,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 00:29:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:53,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-14 00:29:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:53,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-14 00:29:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:29:53,639 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-14 00:29:53,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:29:53,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975155342] [2022-07-14 00:29:53,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975155342] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:29:53,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:29:53,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:29:53,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191138808] [2022-07-14 00:29:53,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:29:53,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:29:53,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:29:53,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:29:53,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:29:53,644 INFO L87 Difference]: Start difference. First operand 6058 states and 8937 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 00:30:01,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:30:01,187 INFO L93 Difference]: Finished difference Result 12339 states and 18337 transitions. [2022-07-14 00:30:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 00:30:01,189 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 113 [2022-07-14 00:30:01,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:30:01,216 INFO L225 Difference]: With dead ends: 12339 [2022-07-14 00:30:01,216 INFO L226 Difference]: Without dead ends: 6311 [2022-07-14 00:30:01,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-07-14 00:30:01,245 INFO L413 NwaCegarLoop]: 4159 mSDtfsCounter, 5847 mSDsluCounter, 4552 mSDsCounter, 0 mSdLazyCounter, 4742 mSolverCounterSat, 2701 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6309 SdHoareTripleChecker+Valid, 8711 SdHoareTripleChecker+Invalid, 7443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2701 IncrementalHoareTripleChecker+Valid, 4742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-07-14 00:30:01,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6309 Valid, 8711 Invalid, 7443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2701 Valid, 4742 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-07-14 00:30:01,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6311 states. [2022-07-14 00:30:01,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6311 to 5783. [2022-07-14 00:30:01,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5783 states, 4278 states have (on average 1.3588125292192614) internal successors, (5813), 4425 states have internal predecessors, (5813), 1287 states have call successors, (1287), 217 states have call predecessors, (1287), 217 states have return successors, (1290), 1222 states have call predecessors, (1290), 1286 states have call successors, (1290) [2022-07-14 00:30:01,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5783 states to 5783 states and 8390 transitions. [2022-07-14 00:30:01,508 INFO L78 Accepts]: Start accepts. Automaton has 5783 states and 8390 transitions. Word has length 113 [2022-07-14 00:30:01,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:30:01,510 INFO L495 AbstractCegarLoop]: Abstraction has 5783 states and 8390 transitions. [2022-07-14 00:30:01,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-14 00:30:01,511 INFO L276 IsEmpty]: Start isEmpty. Operand 5783 states and 8390 transitions. [2022-07-14 00:30:01,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-14 00:30:01,519 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:30:01,519 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2022-07-14 00:30:01,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 00:30:01,519 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:30:01,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:30:01,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1870934641, now seen corresponding path program 1 times [2022-07-14 00:30:01,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:30:01,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667322651] [2022-07-14 00:30:01,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:30:01,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:30:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:01,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:30:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:01,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:30:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:01,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:30:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:01,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:30:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:01,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:30:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:01,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:30:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:01,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 00:30:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:01,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-14 00:30:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:01,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-14 00:30:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:01,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-14 00:30:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:01,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-14 00:30:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:01,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-14 00:30:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:01,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-14 00:30:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:01,856 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-14 00:30:01,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:30:01,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667322651] [2022-07-14 00:30:01,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667322651] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:30:01,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:30:01,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 00:30:01,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787151854] [2022-07-14 00:30:01,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:30:01,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 00:30:01,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:30:01,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 00:30:01,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-14 00:30:01,858 INFO L87 Difference]: Start difference. First operand 5783 states and 8390 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-07-14 00:30:08,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:30:08,405 INFO L93 Difference]: Finished difference Result 7078 states and 10249 transitions. [2022-07-14 00:30:08,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 00:30:08,405 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 108 [2022-07-14 00:30:08,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:30:08,439 INFO L225 Difference]: With dead ends: 7078 [2022-07-14 00:30:08,439 INFO L226 Difference]: Without dead ends: 7075 [2022-07-14 00:30:08,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-07-14 00:30:08,444 INFO L413 NwaCegarLoop]: 4491 mSDtfsCounter, 6909 mSDsluCounter, 3843 mSDsCounter, 0 mSdLazyCounter, 3949 mSolverCounterSat, 3829 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7328 SdHoareTripleChecker+Valid, 8334 SdHoareTripleChecker+Invalid, 7778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3829 IncrementalHoareTripleChecker+Valid, 3949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-07-14 00:30:08,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7328 Valid, 8334 Invalid, 7778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3829 Valid, 3949 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-07-14 00:30:08,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7075 states. [2022-07-14 00:30:08,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7075 to 6413. [2022-07-14 00:30:08,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6413 states, 4727 states have (on average 1.3501163528665114) internal successors, (6382), 4882 states have internal predecessors, (6382), 1412 states have call successors, (1412), 273 states have call predecessors, (1412), 273 states have return successors, (1425), 1341 states have call predecessors, (1425), 1411 states have call successors, (1425) [2022-07-14 00:30:08,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6413 states to 6413 states and 9219 transitions. [2022-07-14 00:30:08,683 INFO L78 Accepts]: Start accepts. Automaton has 6413 states and 9219 transitions. Word has length 108 [2022-07-14 00:30:08,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:30:08,684 INFO L495 AbstractCegarLoop]: Abstraction has 6413 states and 9219 transitions. [2022-07-14 00:30:08,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-07-14 00:30:08,684 INFO L276 IsEmpty]: Start isEmpty. Operand 6413 states and 9219 transitions. [2022-07-14 00:30:08,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-14 00:30:08,691 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:30:08,692 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:30:08,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 00:30:08,692 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:30:08,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:30:08,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1148926766, now seen corresponding path program 1 times [2022-07-14 00:30:08,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:30:08,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794067941] [2022-07-14 00:30:08,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:30:08,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:30:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:30:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:30:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:30:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:30:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:30:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:30:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-14 00:30:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-14 00:30:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-14 00:30:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:30:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-14 00:30:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-14 00:30:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:30:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-14 00:30:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 00:30:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-14 00:30:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-14 00:30:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 00:30:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-14 00:30:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-14 00:30:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:08,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 00:30:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:09,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:30:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:09,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 00:30:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:09,011 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-07-14 00:30:09,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:30:09,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794067941] [2022-07-14 00:30:09,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794067941] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:30:09,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:30:09,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 00:30:09,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977418003] [2022-07-14 00:30:09,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:30:09,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 00:30:09,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:30:09,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 00:30:09,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:30:09,013 INFO L87 Difference]: Start difference. First operand 6413 states and 9219 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-14 00:30:28,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:30:28,828 INFO L93 Difference]: Finished difference Result 23358 states and 34567 transitions. [2022-07-14 00:30:28,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-14 00:30:28,829 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 156 [2022-07-14 00:30:28,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:30:28,904 INFO L225 Difference]: With dead ends: 23358 [2022-07-14 00:30:28,904 INFO L226 Difference]: Without dead ends: 16975 [2022-07-14 00:30:28,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2022-07-14 00:30:28,934 INFO L413 NwaCegarLoop]: 5046 mSDtfsCounter, 14739 mSDsluCounter, 10058 mSDsCounter, 0 mSdLazyCounter, 16679 mSolverCounterSat, 10368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15239 SdHoareTripleChecker+Valid, 15104 SdHoareTripleChecker+Invalid, 27047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10368 IncrementalHoareTripleChecker+Valid, 16679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2022-07-14 00:30:28,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15239 Valid, 15104 Invalid, 27047 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10368 Valid, 16679 Invalid, 0 Unknown, 0 Unchecked, 18.8s Time] [2022-07-14 00:30:28,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16975 states. [2022-07-14 00:30:29,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16975 to 11111. [2022-07-14 00:30:29,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11111 states, 8144 states have (on average 1.3461444007858545) internal successors, (10963), 8414 states have internal predecessors, (10963), 2480 states have call successors, (2480), 478 states have call predecessors, (2480), 486 states have return successors, (2545), 2357 states have call predecessors, (2545), 2479 states have call successors, (2545) [2022-07-14 00:30:29,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11111 states to 11111 states and 15988 transitions. [2022-07-14 00:30:29,576 INFO L78 Accepts]: Start accepts. Automaton has 11111 states and 15988 transitions. Word has length 156 [2022-07-14 00:30:29,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:30:29,578 INFO L495 AbstractCegarLoop]: Abstraction has 11111 states and 15988 transitions. [2022-07-14 00:30:29,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-14 00:30:29,578 INFO L276 IsEmpty]: Start isEmpty. Operand 11111 states and 15988 transitions. [2022-07-14 00:30:29,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-07-14 00:30:29,595 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:30:29,595 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:30:29,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 00:30:29,596 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:30:29,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:30:29,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1303670089, now seen corresponding path program 1 times [2022-07-14 00:30:29,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:30:29,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784633329] [2022-07-14 00:30:29,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:30:29,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:30:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:30:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:30:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:30:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:30:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:30:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:30:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 00:30:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 00:30:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 00:30:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 00:30:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-14 00:30:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-14 00:30:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:30:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-14 00:30:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-14 00:30:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-14 00:30:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 00:30:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-14 00:30:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 00:30:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-14 00:30:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-14 00:30:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 00:30:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-14 00:30:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 00:30:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:30:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-14 00:30:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:29,947 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-07-14 00:30:29,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:30:29,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784633329] [2022-07-14 00:30:29,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784633329] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:30:29,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:30:29,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-14 00:30:29,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897742393] [2022-07-14 00:30:29,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:30:29,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-14 00:30:29,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:30:29,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-14 00:30:29,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-14 00:30:29,949 INFO L87 Difference]: Start difference. First operand 11111 states and 15988 transitions. Second operand has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-14 00:30:46,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:30:46,325 INFO L93 Difference]: Finished difference Result 35512 states and 52493 transitions. [2022-07-14 00:30:46,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-14 00:30:46,326 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 193 [2022-07-14 00:30:46,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:30:46,411 INFO L225 Difference]: With dead ends: 35512 [2022-07-14 00:30:46,411 INFO L226 Difference]: Without dead ends: 24431 [2022-07-14 00:30:46,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2022-07-14 00:30:46,443 INFO L413 NwaCegarLoop]: 6517 mSDtfsCounter, 14112 mSDsluCounter, 9742 mSDsCounter, 0 mSdLazyCounter, 14009 mSolverCounterSat, 11563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14692 SdHoareTripleChecker+Valid, 16259 SdHoareTripleChecker+Invalid, 25572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11563 IncrementalHoareTripleChecker+Valid, 14009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-07-14 00:30:46,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14692 Valid, 16259 Invalid, 25572 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11563 Valid, 14009 Invalid, 0 Unknown, 0 Unchecked, 15.3s Time] [2022-07-14 00:30:46,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24431 states. [2022-07-14 00:30:47,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24431 to 15700. [2022-07-14 00:30:47,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15700 states, 11470 states have (on average 1.3437663469921535) internal successors, (15413), 11850 states have internal predecessors, (15413), 3529 states have call successors, (3529), 688 states have call predecessors, (3529), 700 states have return successors, (3621), 3353 states have call predecessors, (3621), 3528 states have call successors, (3621) [2022-07-14 00:30:47,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15700 states to 15700 states and 22563 transitions. [2022-07-14 00:30:47,293 INFO L78 Accepts]: Start accepts. Automaton has 15700 states and 22563 transitions. Word has length 193 [2022-07-14 00:30:47,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:30:47,293 INFO L495 AbstractCegarLoop]: Abstraction has 15700 states and 22563 transitions. [2022-07-14 00:30:47,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.25) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-14 00:30:47,294 INFO L276 IsEmpty]: Start isEmpty. Operand 15700 states and 22563 transitions. [2022-07-14 00:30:47,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-07-14 00:30:47,314 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:30:47,314 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:30:47,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 00:30:47,315 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:30:47,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:30:47,316 INFO L85 PathProgramCache]: Analyzing trace with hash -763262659, now seen corresponding path program 1 times [2022-07-14 00:30:47,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:30:47,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245646280] [2022-07-14 00:30:47,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:30:47,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:30:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:30:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:30:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:30:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:30:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:30:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:30:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 00:30:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 00:30:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 00:30:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-14 00:30:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-14 00:30:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 00:30:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:30:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 00:30:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-14 00:30:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-14 00:30:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-14 00:30:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-14 00:30:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 00:30:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-14 00:30:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-14 00:30:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-14 00:30:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-14 00:30:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 00:30:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:30:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-14 00:30:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:30:47,666 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-14 00:30:47,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:30:47,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245646280] [2022-07-14 00:30:47,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245646280] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:30:47,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:30:47,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 00:30:47,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983508322] [2022-07-14 00:30:47,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:30:47,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 00:30:47,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:30:47,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 00:30:47,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-14 00:30:47,668 INFO L87 Difference]: Start difference. First operand 15700 states and 22563 transitions. Second operand has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-14 00:31:09,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:31:09,812 INFO L93 Difference]: Finished difference Result 48723 states and 71990 transitions. [2022-07-14 00:31:09,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-14 00:31:09,812 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 201 [2022-07-14 00:31:09,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:31:09,947 INFO L225 Difference]: With dead ends: 48723 [2022-07-14 00:31:09,947 INFO L226 Difference]: Without dead ends: 33053 [2022-07-14 00:31:09,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-07-14 00:31:09,996 INFO L413 NwaCegarLoop]: 7850 mSDtfsCounter, 12150 mSDsluCounter, 17340 mSDsCounter, 0 mSdLazyCounter, 22239 mSolverCounterSat, 9900 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12609 SdHoareTripleChecker+Valid, 25190 SdHoareTripleChecker+Invalid, 32139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9900 IncrementalHoareTripleChecker+Valid, 22239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2022-07-14 00:31:09,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12609 Valid, 25190 Invalid, 32139 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9900 Valid, 22239 Invalid, 0 Unknown, 0 Unchecked, 20.5s Time] [2022-07-14 00:31:10,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33053 states. [2022-07-14 00:31:10,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33053 to 15704. [2022-07-14 00:31:11,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15704 states, 11474 states have (on average 1.3436465051420603) internal successors, (15417), 11854 states have internal predecessors, (15417), 3529 states have call successors, (3529), 688 states have call predecessors, (3529), 700 states have return successors, (3621), 3353 states have call predecessors, (3621), 3528 states have call successors, (3621) [2022-07-14 00:31:11,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15704 states to 15704 states and 22567 transitions. [2022-07-14 00:31:11,072 INFO L78 Accepts]: Start accepts. Automaton has 15704 states and 22567 transitions. Word has length 201 [2022-07-14 00:31:11,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:31:11,073 INFO L495 AbstractCegarLoop]: Abstraction has 15704 states and 22567 transitions. [2022-07-14 00:31:11,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.555555555555555) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-14 00:31:11,073 INFO L276 IsEmpty]: Start isEmpty. Operand 15704 states and 22567 transitions. [2022-07-14 00:31:11,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-07-14 00:31:11,098 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:31:11,098 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:31:11,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 00:31:11,099 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:31:11,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:31:11,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1339167325, now seen corresponding path program 1 times [2022-07-14 00:31:11,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:31:11,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883173223] [2022-07-14 00:31:11,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:31:11,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:31:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:31:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:31:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:31:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:31:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:31:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:31:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 00:31:11,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 00:31:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 00:31:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 00:31:11,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 00:31:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 00:31:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-14 00:31:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:31:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-14 00:31:11,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-14 00:31:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-14 00:31:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-14 00:31:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-14 00:31:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 00:31:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-14 00:31:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-14 00:31:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 00:31:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-14 00:31:11,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 00:31:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:31:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 00:31:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:11,444 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-14 00:31:11,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:31:11,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883173223] [2022-07-14 00:31:11,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883173223] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:31:11,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:31:11,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 00:31:11,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944380436] [2022-07-14 00:31:11,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:31:11,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 00:31:11,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:31:11,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 00:31:11,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-14 00:31:11,446 INFO L87 Difference]: Start difference. First operand 15704 states and 22567 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-14 00:31:26,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:31:26,713 INFO L93 Difference]: Finished difference Result 42760 states and 63722 transitions. [2022-07-14 00:31:26,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-14 00:31:26,714 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 218 [2022-07-14 00:31:26,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:31:26,822 INFO L225 Difference]: With dead ends: 42760 [2022-07-14 00:31:26,823 INFO L226 Difference]: Without dead ends: 27086 [2022-07-14 00:31:26,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2022-07-14 00:31:26,872 INFO L413 NwaCegarLoop]: 4952 mSDtfsCounter, 8596 mSDsluCounter, 14240 mSDsCounter, 0 mSdLazyCounter, 16026 mSolverCounterSat, 5563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8992 SdHoareTripleChecker+Valid, 19192 SdHoareTripleChecker+Invalid, 21589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5563 IncrementalHoareTripleChecker+Valid, 16026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-07-14 00:31:26,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8992 Valid, 19192 Invalid, 21589 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5563 Valid, 16026 Invalid, 0 Unknown, 0 Unchecked, 13.8s Time] [2022-07-14 00:31:26,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27086 states. [2022-07-14 00:31:27,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27086 to 15708. [2022-07-14 00:31:27,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15708 states, 11478 states have (on average 1.3435267468200034) internal successors, (15421), 11858 states have internal predecessors, (15421), 3529 states have call successors, (3529), 688 states have call predecessors, (3529), 700 states have return successors, (3621), 3353 states have call predecessors, (3621), 3528 states have call successors, (3621) [2022-07-14 00:31:27,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15708 states to 15708 states and 22571 transitions. [2022-07-14 00:31:27,808 INFO L78 Accepts]: Start accepts. Automaton has 15708 states and 22571 transitions. Word has length 218 [2022-07-14 00:31:27,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:31:27,808 INFO L495 AbstractCegarLoop]: Abstraction has 15708 states and 22571 transitions. [2022-07-14 00:31:27,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-14 00:31:27,809 INFO L276 IsEmpty]: Start isEmpty. Operand 15708 states and 22571 transitions. [2022-07-14 00:31:27,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-07-14 00:31:27,828 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:31:27,828 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:31:27,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 00:31:27,828 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:31:27,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:31:27,829 INFO L85 PathProgramCache]: Analyzing trace with hash 754395675, now seen corresponding path program 1 times [2022-07-14 00:31:27,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:31:27,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072397331] [2022-07-14 00:31:27,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:31:27,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:31:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:31:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:31:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:31:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:31:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:31:28,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:31:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 00:31:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 00:31:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 00:31:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 00:31:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-14 00:31:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 00:31:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-14 00:31:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:31:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-14 00:31:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-14 00:31:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-14 00:31:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-14 00:31:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-14 00:31:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-14 00:31:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-14 00:31:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-14 00:31:28,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 00:31:28,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-14 00:31:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 00:31:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:31:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 00:31:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:28,188 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-14 00:31:28,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:31:28,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072397331] [2022-07-14 00:31:28,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072397331] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:31:28,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:31:28,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 00:31:28,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989296470] [2022-07-14 00:31:28,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:31:28,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 00:31:28,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:31:28,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 00:31:28,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-14 00:31:28,191 INFO L87 Difference]: Start difference. First operand 15708 states and 22571 transitions. Second operand has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-14 00:31:53,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:31:53,774 INFO L93 Difference]: Finished difference Result 49140 states and 72757 transitions. [2022-07-14 00:31:53,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-14 00:31:53,775 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 218 [2022-07-14 00:31:53,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:31:53,915 INFO L225 Difference]: With dead ends: 49140 [2022-07-14 00:31:53,916 INFO L226 Difference]: Without dead ends: 33462 [2022-07-14 00:31:53,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-07-14 00:31:53,971 INFO L413 NwaCegarLoop]: 8081 mSDtfsCounter, 13265 mSDsluCounter, 17922 mSDsCounter, 0 mSdLazyCounter, 21673 mSolverCounterSat, 11328 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13834 SdHoareTripleChecker+Valid, 26003 SdHoareTripleChecker+Invalid, 33001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11328 IncrementalHoareTripleChecker+Valid, 21673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2022-07-14 00:31:53,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13834 Valid, 26003 Invalid, 33001 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11328 Valid, 21673 Invalid, 0 Unknown, 0 Unchecked, 23.5s Time] [2022-07-14 00:31:54,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33462 states. [2022-07-14 00:31:54,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33462 to 15706. [2022-07-14 00:31:54,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15706 states, 11476 states have (on average 1.3434994771697455) internal successors, (15418), 11856 states have internal predecessors, (15418), 3529 states have call successors, (3529), 688 states have call predecessors, (3529), 700 states have return successors, (3621), 3353 states have call predecessors, (3621), 3528 states have call successors, (3621) [2022-07-14 00:31:55,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15706 states to 15706 states and 22568 transitions. [2022-07-14 00:31:55,029 INFO L78 Accepts]: Start accepts. Automaton has 15706 states and 22568 transitions. Word has length 218 [2022-07-14 00:31:55,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:31:55,030 INFO L495 AbstractCegarLoop]: Abstraction has 15706 states and 22568 transitions. [2022-07-14 00:31:55,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.222222222222221) internal successors, (128), 4 states have internal predecessors, (128), 2 states have call successors, (32), 7 states have call predecessors, (32), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-14 00:31:55,030 INFO L276 IsEmpty]: Start isEmpty. Operand 15706 states and 22568 transitions. [2022-07-14 00:31:55,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2022-07-14 00:31:55,077 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 00:31:55,077 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 00:31:55,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 00:31:55,078 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 00:31:55,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 00:31:55,078 INFO L85 PathProgramCache]: Analyzing trace with hash -899968575, now seen corresponding path program 1 times [2022-07-14 00:31:55,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 00:31:55,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69425976] [2022-07-14 00:31:55,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 00:31:55,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 00:31:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 00:31:55,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 00:31:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 00:31:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 00:31:55,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-14 00:31:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 00:31:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-14 00:31:55,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-14 00:31:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 00:31:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 00:31:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 00:31:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 00:31:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-14 00:31:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-14 00:31:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:31:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-14 00:31:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 00:31:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-14 00:31:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-14 00:31:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 00:31:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 00:31:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:31:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 00:31:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-14 00:31:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-14 00:31:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 00:31:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-14 00:31:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 00:31:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:31:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 00:31:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 00:31:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-14 00:31:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-14 00:31:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-14 00:31:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-14 00:31:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-14 00:31:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-14 00:31:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-14 00:31:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-14 00:31:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-14 00:31:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-14 00:31:55,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-14 00:31:55,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 00:31:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-14 00:31:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 00:31:55,596 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-14 00:31:55,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 00:31:55,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69425976] [2022-07-14 00:31:55,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69425976] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 00:31:55,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 00:31:55,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-14 00:31:55,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419450021] [2022-07-14 00:31:55,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 00:31:55,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 00:31:55,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 00:31:55,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 00:31:55,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-14 00:31:55,598 INFO L87 Difference]: Start difference. First operand 15706 states and 22568 transitions. Second operand has 11 states, 11 states have (on average 21.363636363636363) internal successors, (235), 3 states have internal predecessors, (235), 3 states have call successors, (48), 10 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-14 00:32:03,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 00:32:03,355 INFO L93 Difference]: Finished difference Result 21970 states and 32000 transitions. [2022-07-14 00:32:03,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-14 00:32:03,356 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 21.363636363636363) internal successors, (235), 3 states have internal predecessors, (235), 3 states have call successors, (48), 10 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 387 [2022-07-14 00:32:03,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 00:32:03,358 INFO L225 Difference]: With dead ends: 21970 [2022-07-14 00:32:03,358 INFO L226 Difference]: Without dead ends: 0 [2022-07-14 00:32:03,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2022-07-14 00:32:03,400 INFO L413 NwaCegarLoop]: 2021 mSDtfsCounter, 7728 mSDsluCounter, 3949 mSDsCounter, 0 mSdLazyCounter, 7002 mSolverCounterSat, 6584 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7944 SdHoareTripleChecker+Valid, 5970 SdHoareTripleChecker+Invalid, 13586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6584 IncrementalHoareTripleChecker+Valid, 7002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-07-14 00:32:03,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7944 Valid, 5970 Invalid, 13586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6584 Valid, 7002 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-07-14 00:32:03,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-14 00:32:03,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-14 00:32:03,401 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) [2022-07-14 00:32:03,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-14 00:32:03,404 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 387 [2022-07-14 00:32:03,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 00:32:03,405 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 00:32:03,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 21.363636363636363) internal successors, (235), 3 states have internal predecessors, (235), 3 states have call successors, (48), 10 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-14 00:32:03,405 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-14 00:32:03,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-14 00:32:03,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-14 00:32:03,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-14 00:32:03,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.