./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 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-6c24879 [2022-07-12 12:48:41,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:48:41,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:48:41,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:48:41,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:48:41,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:48:41,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:48:41,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:48:41,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:48:41,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:48:41,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:48:41,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:48:41,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:48:41,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:48:41,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:48:41,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:48:41,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:48:41,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:48:41,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:48:41,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:48:41,735 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:48:41,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:48:41,737 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:48:41,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:48:41,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:48:41,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:48:41,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:48:41,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:48:41,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:48:41,752 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:48:41,753 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:48:41,753 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:48:41,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:48:41,755 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:48:41,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:48:41,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:48:41,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:48:41,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:48:41,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:48:41,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:48:41,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:48:41,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:48:41,761 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:48:41,788 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:48:41,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:48:41,790 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:48:41,790 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:48:41,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:48:41,790 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:48:41,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:48:41,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:48:41,791 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:48:41,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:48:41,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:48:41,792 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:48:41,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:48:41,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:48:41,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:48:41,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:48:41,793 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:48:41,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:48:41,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:48:41,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:48:41,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:48:41,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:48:41,794 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:48:41,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:48:41,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:48:41,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:48:41,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:48:41,795 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:48:41,795 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:48:41,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:48:41,796 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecea5961d53d2608898d65c83a7bf6d9a36712172eaf67bd828ea354982e0e3d [2022-07-12 12:48:41,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:48:41,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:48:41,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:48:41,981 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:48:41,982 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:48:41,983 INFO L432 ainManager$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 [2022-07-12 12:48:42,019 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98c3f4e6b/82a94bdbf9ac4e5e8a58ed2d9ece40de/FLAG8b4247d1e [2022-07-12 12:48:42,746 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:48:42,747 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 [2022-07-12 12:48:42,791 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98c3f4e6b/82a94bdbf9ac4e5e8a58ed2d9ece40de/FLAG8b4247d1e [2022-07-12 12:48:43,062 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98c3f4e6b/82a94bdbf9ac4e5e8a58ed2d9ece40de [2022-07-12 12:48:43,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:48:43,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:48:43,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:48:43,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:48:43,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:48:43,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:48:43" (1/1) ... [2022-07-12 12:48:43,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fa612df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:48:43, skipping insertion in model container [2022-07-12 12:48:43,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:48:43" (1/1) ... [2022-07-12 12:48:43,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:48:43,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:48:43,562 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2022-07-12 12:48:43,562 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] [2022-07-12 12:48:43,690 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] [2022-07-12 12:48:45,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:48:45,729 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:48:45,790 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2022-07-12 12:48:45,792 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] [2022-07-12 12:48:45,795 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] [2022-07-12 12:48:46,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:48:46,191 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:48:46,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:48:46 WrapperNode [2022-07-12 12:48:46,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:48:46,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:48:46,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:48:46,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:48:46,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:48:46" (1/1) ... [2022-07-12 12:48:46,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:48:46" (1/1) ... [2022-07-12 12:48:46,552 INFO L137 Inliner]: procedures = 437, calls = 4988, calls flagged for inlining = 192, calls inlined = 174, statements flattened = 10313 [2022-07-12 12:48:46,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:48:46,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:48:46,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:48:46,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:48:46,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:48:46" (1/1) ... [2022-07-12 12:48:46,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:48:46" (1/1) ... [2022-07-12 12:48:46,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:48:46" (1/1) ... [2022-07-12 12:48:46,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:48:46" (1/1) ... [2022-07-12 12:48:46,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:48:46" (1/1) ... [2022-07-12 12:48:46,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:48:46" (1/1) ... [2022-07-12 12:48:46,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:48:46" (1/1) ... [2022-07-12 12:48:46,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:48:46,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:48:46,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:48:46,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:48:46,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:48:46" (1/1) ... [2022-07-12 12:48:46,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:48:46,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:48:46,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 12:48:46,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 12:48:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2022-07-12 12:48:46,888 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2022-07-12 12:48:46,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 12:48:46,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 12:48:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-12 12:48:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-12 12:48:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 12:48:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 12:48:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2022-07-12 12:48:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2022-07-12 12:48:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-12 12:48:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-12 12:48:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2022-07-12 12:48:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2022-07-12 12:48:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:48:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:48:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-12 12:48:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-12 12:48:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 12:48:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 12:48:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 12:48:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 12:48:46,891 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-12 12:48:46,891 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-12 12:48:46,891 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-12 12:48:46,891 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-12 12:48:46,891 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-12 12:48:46,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-12 12:48:46,891 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 12:48:46,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 12:48:46,891 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-12 12:48:46,892 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-12 12:48:46,892 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 12:48:46,892 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 12:48:46,892 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-12 12:48:46,892 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-12 12:48:46,892 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 12:48:46,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 12:48:46,893 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2022-07-12 12:48:46,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2022-07-12 12:48:46,893 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 12:48:46,893 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 12:48:46,893 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-12 12:48:46,893 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-12 12:48:46,893 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 12:48:46,893 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 12:48:46,894 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 12:48:46,894 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 12:48:46,894 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 12:48:46,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 12:48:46,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:48:46,894 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2022-07-12 12:48:46,894 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2022-07-12 12:48:46,894 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-12 12:48:46,895 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-12 12:48:46,895 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2022-07-12 12:48:46,895 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2022-07-12 12:48:46,895 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 12:48:46,895 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 12:48:46,895 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 12:48:46,895 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 12:48:46,895 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2022-07-12 12:48:46,895 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2022-07-12 12:48:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2022-07-12 12:48:46,896 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2022-07-12 12:48:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 12:48:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2022-07-12 12:48:46,896 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2022-07-12 12:48:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 12:48:46,896 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 12:48:46,896 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 12:48:46,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 12:48:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 12:48:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-12 12:48:46,897 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-12 12:48:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 12:48:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-12 12:48:46,897 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-12 12:48:46,897 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 12:48:46,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 12:48:46,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 12:48:46,898 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 12:48:46,898 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-12 12:48:46,898 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-12 12:48:46,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 12:48:46,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 12:48:46,898 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-12 12:48:46,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-12 12:48:46,899 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 12:48:46,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 12:48:46,899 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2022-07-12 12:48:46,899 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2022-07-12 12:48:46,899 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 12:48:46,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 12:48:46,899 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2022-07-12 12:48:46,900 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2022-07-12 12:48:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:48:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-12 12:48:46,900 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-12 12:48:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure private_ioctl [2022-07-12 12:48:46,900 INFO L138 BoogieDeclarations]: Found implementation of procedure private_ioctl [2022-07-12 12:48:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:48:46,900 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 12:48:46,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 12:48:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:48:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2022-07-12 12:48:46,901 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2022-07-12 12:48:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-12 12:48:46,901 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-12 12:48:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-12 12:48:46,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-12 12:48:46,901 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-12 12:48:46,901 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-12 12:48:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 12:48:46,902 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 12:48:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-12 12:48:46,902 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-12 12:48:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 12:48:46,902 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 12:48:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-12 12:48:46,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-12 12:48:46,902 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 12:48:46,903 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 12:48:46,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:48:46,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:48:46,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 12:48:46,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 12:48:46,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 12:48:46,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 12:48:46,903 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 12:48:46,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 12:48:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-12 12:48:46,904 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-12 12:48:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-12 12:48:46,904 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-12 12:48:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2022-07-12 12:48:46,904 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2022-07-12 12:48:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 12:48:46,904 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 12:48:46,904 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-07-12 12:48:46,905 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-07-12 12:48:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-12 12:48:46,905 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-12 12:48:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2022-07-12 12:48:46,905 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2022-07-12 12:48:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:48:46,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:48:46,905 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2022-07-12 12:48:46,905 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2022-07-12 12:48:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-07-12 12:48:46,906 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-07-12 12:48:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-12 12:48:46,906 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-12 12:48:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 12:48:46,906 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 12:48:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-12 12:48:46,906 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-12 12:48:46,906 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 12:48:46,906 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 12:48:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 12:48:46,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 12:48:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-12 12:48:46,907 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-12 12:48:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-12 12:48:46,907 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-12 12:48:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_get_stats [2022-07-12 12:48:46,907 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_get_stats [2022-07-12 12:48:46,907 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 12:48:46,907 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 12:48:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:48:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2022-07-12 12:48:46,908 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2022-07-12 12:48:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 12:48:46,908 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 12:48:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:48:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-12 12:48:46,908 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-12 12:48:46,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-12 12:48:46,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-12 12:48:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-12 12:48:46,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-12 12:48:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-12 12:48:46,909 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-12 12:48:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:48:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2022-07-12 12:48:46,909 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2022-07-12 12:48:46,909 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2022-07-12 12:48:46,909 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2022-07-12 12:48:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2022-07-12 12:48:46,910 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2022-07-12 12:48:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 12:48:46,910 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 12:48:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2022-07-12 12:48:46,910 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2022-07-12 12:48:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 12:48:46,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 12:48:46,910 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-12 12:48:46,910 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-12 12:48:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2022-07-12 12:48:46,911 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2022-07-12 12:48:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___0 [2022-07-12 12:48:46,911 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___0 [2022-07-12 12:48:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 12:48:46,911 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 12:48:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-12 12:48:46,911 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-12 12:48:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 12:48:46,912 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 12:48:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 12:48:46,912 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 12:48:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 12:48:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-07-12 12:48:46,912 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-07-12 12:48:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2022-07-12 12:48:46,912 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2022-07-12 12:48:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:48:46,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:48:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-07-12 12:48:46,913 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-07-12 12:48:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2022-07-12 12:48:46,913 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2022-07-12 12:48:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 12:48:46,913 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 12:48:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-12 12:48:46,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-12 12:48:46,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-12 12:48:46,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-12 12:48:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-12 12:48:46,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-12 12:48:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-12 12:48:46,914 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-12 12:48:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-12 12:48:46,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-12 12:48:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-12 12:48:46,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-12 12:48:46,914 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2022-07-12 12:48:46,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2022-07-12 12:48:46,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-12 12:48:46,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-12 12:48:46,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2022-07-12 12:48:46,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2022-07-12 12:48:46,915 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2022-07-12 12:48:46,915 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2022-07-12 12:48:46,915 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 12:48:46,915 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 12:48:46,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 12:48:47,788 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:48:47,791 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:48:48,326 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 12:48:53,353 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:48:53,384 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:48:53,384 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-12 12:48:53,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:48:53 BoogieIcfgContainer [2022-07-12 12:48:53,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:48:53,396 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:48:53,396 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:48:53,399 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:48:53,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:48:43" (1/3) ... [2022-07-12 12:48:53,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a734ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:48:53, skipping insertion in model container [2022-07-12 12:48:53,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:48:46" (2/3) ... [2022-07-12 12:48:53,401 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a734ff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:48:53, skipping insertion in model container [2022-07-12 12:48:53,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:48:53" (3/3) ... [2022-07-12 12:48:53,402 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 [2022-07-12 12:48:53,414 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:48:53,415 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:48:53,527 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:48:53,533 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@44a3b73a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@248b7ada [2022-07-12 12:48:53,533 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:48:53,546 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) [2022-07-12 12:48:53,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-12 12:48:53,569 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:48:53,570 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] [2022-07-12 12:48:53,570 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:48:53,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:48:53,574 INFO L85 PathProgramCache]: Analyzing trace with hash 424466121, now seen corresponding path program 1 times [2022-07-12 12:48:53,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:48:53,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928970483] [2022-07-12 12:48:53,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:48:53,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:48:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:54,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:48:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:54,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:48:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:54,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:48:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:54,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:48:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:54,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:48:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:54,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:48:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:54,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-12 12:48:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:54,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 12:48:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:48:54,280 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-12 12:48:54,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:48:54,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928970483] [2022-07-12 12:48:54,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928970483] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:48:54,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:48:54,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 12:48:54,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068111909] [2022-07-12 12:48:54,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:48:54,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 12:48:54,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:48:54,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 12:48:54,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:48:54,340 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) [2022-07-12 12:49:05,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:49:05,988 INFO L93 Difference]: Finished difference Result 9992 states and 15605 transitions. [2022-07-12 12:49:05,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 12:49:05,990 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 [2022-07-12 12:49:05,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:49:06,037 INFO L225 Difference]: With dead ends: 9992 [2022-07-12 12:49:06,037 INFO L226 Difference]: Without dead ends: 6609 [2022-07-12 12:49:06,060 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 [2022-07-12 12:49:06,062 INFO L413 NwaCegarLoop]: 5065 mSDtfsCounter, 7018 mSDsluCounter, 7241 mSDsCounter, 0 mSdLazyCounter, 6007 mSolverCounterSat, 4264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s 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, 10.9s IncrementalHoareTripleChecker+Time [2022-07-12 12:49:06,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7538 Valid, 12306 Invalid, 10271 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4264 Valid, 6007 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2022-07-12 12:49:06,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6609 states. [2022-07-12 12:49:06,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6609 to 6043. [2022-07-12 12:49:06,376 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) [2022-07-12 12:49:06,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6043 states to 6043 states and 8926 transitions. [2022-07-12 12:49:06,434 INFO L78 Accepts]: Start accepts. Automaton has 6043 states and 8926 transitions. Word has length 71 [2022-07-12 12:49:06,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:49:06,435 INFO L495 AbstractCegarLoop]: Abstraction has 6043 states and 8926 transitions. [2022-07-12 12:49:06,435 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) [2022-07-12 12:49:06,435 INFO L276 IsEmpty]: Start isEmpty. Operand 6043 states and 8926 transitions. [2022-07-12 12:49:06,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 12:49:06,445 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:49:06,446 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] [2022-07-12 12:49:06,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 12:49:06,446 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:49:06,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:49:06,447 INFO L85 PathProgramCache]: Analyzing trace with hash -953532552, now seen corresponding path program 1 times [2022-07-12 12:49:06,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:49:06,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125367947] [2022-07-12 12:49:06,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:49:06,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:49:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:06,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:49:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:06,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:49:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:06,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:49:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:06,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:49:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:06,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:49:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:06,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:49:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:06,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 12:49:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:06,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 12:49:06,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:06,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 12:49:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:06,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 12:49:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:06,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 12:49:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:06,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 12:49:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:06,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 12:49:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:06,986 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-12 12:49:06,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:49:06,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125367947] [2022-07-12 12:49:06,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125367947] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:49:06,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:49:06,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 12:49:06,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160670695] [2022-07-12 12:49:06,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:49:06,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 12:49:06,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:49:06,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 12:49:06,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-12 12:49:06,993 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) [2022-07-12 12:49:16,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:49:16,885 INFO L93 Difference]: Finished difference Result 12672 states and 18840 transitions. [2022-07-12 12:49:16,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 12:49:16,886 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 [2022-07-12 12:49:16,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:49:16,915 INFO L225 Difference]: With dead ends: 12672 [2022-07-12 12:49:16,915 INFO L226 Difference]: Without dead ends: 6640 [2022-07-12 12:49:16,932 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 [2022-07-12 12:49:16,933 INFO L413 NwaCegarLoop]: 4540 mSDtfsCounter, 7221 mSDsluCounter, 9642 mSDsCounter, 0 mSdLazyCounter, 7594 mSolverCounterSat, 3892 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s 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, 9.4s IncrementalHoareTripleChecker+Time [2022-07-12 12:49:16,934 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7745 Valid, 14182 Invalid, 11486 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3892 Valid, 7594 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2022-07-12 12:49:16,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6640 states. [2022-07-12 12:49:17,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6640 to 6058. [2022-07-12 12:49:17,130 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) [2022-07-12 12:49:17,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6058 states to 6058 states and 8937 transitions. [2022-07-12 12:49:17,150 INFO L78 Accepts]: Start accepts. Automaton has 6058 states and 8937 transitions. Word has length 113 [2022-07-12 12:49:17,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:49:17,152 INFO L495 AbstractCegarLoop]: Abstraction has 6058 states and 8937 transitions. [2022-07-12 12:49:17,153 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) [2022-07-12 12:49:17,153 INFO L276 IsEmpty]: Start isEmpty. Operand 6058 states and 8937 transitions. [2022-07-12 12:49:17,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-12 12:49:17,158 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:49:17,158 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] [2022-07-12 12:49:17,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 12:49:17,159 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:49:17,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:49:17,159 INFO L85 PathProgramCache]: Analyzing trace with hash 75826746, now seen corresponding path program 1 times [2022-07-12 12:49:17,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:49:17,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064865690] [2022-07-12 12:49:17,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:49:17,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:49:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:17,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:49:17,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:17,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:49:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:17,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:49:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:17,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:49:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:17,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:49:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:17,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:49:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:17,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 12:49:17,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:17,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 12:49:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:17,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 12:49:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:17,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 12:49:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:17,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 12:49:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:17,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 12:49:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:17,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 12:49:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:17,562 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-12 12:49:17,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:49:17,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064865690] [2022-07-12 12:49:17,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064865690] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:49:17,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:49:17,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 12:49:17,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50920847] [2022-07-12 12:49:17,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:49:17,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 12:49:17,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:49:17,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 12:49:17,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 12:49:17,569 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) [2022-07-12 12:49:24,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:49:24,801 INFO L93 Difference]: Finished difference Result 12339 states and 18337 transitions. [2022-07-12 12:49:24,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 12:49:24,805 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 [2022-07-12 12:49:24,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:49:24,834 INFO L225 Difference]: With dead ends: 12339 [2022-07-12 12:49:24,834 INFO L226 Difference]: Without dead ends: 6311 [2022-07-12 12:49:24,865 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 [2022-07-12 12:49:24,868 INFO L413 NwaCegarLoop]: 4159 mSDtfsCounter, 5847 mSDsluCounter, 4552 mSDsCounter, 0 mSdLazyCounter, 4742 mSolverCounterSat, 2701 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s 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, 6.8s IncrementalHoareTripleChecker+Time [2022-07-12 12:49:24,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6309 Valid, 8711 Invalid, 7443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2701 Valid, 4742 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-07-12 12:49:24,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6311 states. [2022-07-12 12:49:25,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6311 to 5783. [2022-07-12 12:49:25,067 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) [2022-07-12 12:49:25,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5783 states to 5783 states and 8390 transitions. [2022-07-12 12:49:25,083 INFO L78 Accepts]: Start accepts. Automaton has 5783 states and 8390 transitions. Word has length 113 [2022-07-12 12:49:25,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:49:25,085 INFO L495 AbstractCegarLoop]: Abstraction has 5783 states and 8390 transitions. [2022-07-12 12:49:25,085 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) [2022-07-12 12:49:25,085 INFO L276 IsEmpty]: Start isEmpty. Operand 5783 states and 8390 transitions. [2022-07-12 12:49:25,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-12 12:49:25,092 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:49:25,092 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] [2022-07-12 12:49:25,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 12:49:25,093 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:49:25,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:49:25,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1870934641, now seen corresponding path program 1 times [2022-07-12 12:49:25,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:49:25,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365659239] [2022-07-12 12:49:25,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:49:25,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:49:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:25,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:49:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:25,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:49:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:25,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:49:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:25,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:49:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:25,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:49:25,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:25,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:49:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:25,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 12:49:25,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:25,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-12 12:49:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:25,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 12:49:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:25,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-12 12:49:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:25,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 12:49:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:25,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-12 12:49:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:25,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 12:49:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:25,383 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-12 12:49:25,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:49:25,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365659239] [2022-07-12 12:49:25,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365659239] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:49:25,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:49:25,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 12:49:25,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682659988] [2022-07-12 12:49:25,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:49:25,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 12:49:25,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:49:25,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 12:49:25,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 12:49:25,386 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) [2022-07-12 12:49:31,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:49:31,953 INFO L93 Difference]: Finished difference Result 7078 states and 10249 transitions. [2022-07-12 12:49:31,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 12:49:31,961 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 [2022-07-12 12:49:31,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:49:31,999 INFO L225 Difference]: With dead ends: 7078 [2022-07-12 12:49:32,000 INFO L226 Difference]: Without dead ends: 7075 [2022-07-12 12:49:32,004 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 [2022-07-12 12:49:32,004 INFO L413 NwaCegarLoop]: 4490 mSDtfsCounter, 6909 mSDsluCounter, 3843 mSDsCounter, 0 mSdLazyCounter, 3946 mSolverCounterSat, 3829 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7328 SdHoareTripleChecker+Valid, 8333 SdHoareTripleChecker+Invalid, 7775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3829 IncrementalHoareTripleChecker+Valid, 3946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-07-12 12:49:32,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7328 Valid, 8333 Invalid, 7775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3829 Valid, 3946 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-07-12 12:49:32,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7075 states. [2022-07-12 12:49:32,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7075 to 6413. [2022-07-12 12:49:32,236 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) [2022-07-12 12:49:32,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6413 states to 6413 states and 9219 transitions. [2022-07-12 12:49:32,257 INFO L78 Accepts]: Start accepts. Automaton has 6413 states and 9219 transitions. Word has length 108 [2022-07-12 12:49:32,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:49:32,257 INFO L495 AbstractCegarLoop]: Abstraction has 6413 states and 9219 transitions. [2022-07-12 12:49:32,257 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) [2022-07-12 12:49:32,257 INFO L276 IsEmpty]: Start isEmpty. Operand 6413 states and 9219 transitions. [2022-07-12 12:49:32,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-12 12:49:32,265 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:49:32,265 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] [2022-07-12 12:49:32,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 12:49:32,266 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:49:32,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:49:32,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1148926766, now seen corresponding path program 1 times [2022-07-12 12:49:32,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:49:32,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801339338] [2022-07-12 12:49:32,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:49:32,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:49:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:49:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:49:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:49:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:49:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:49:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:49:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 12:49:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-12 12:49:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-12 12:49:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:49:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 12:49:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 12:49:32,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 12:49:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 12:49:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 12:49:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 12:49:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-12 12:49:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 12:49:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 12:49:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 12:49:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 12:49:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:49:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 12:49:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:32,622 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-07-12 12:49:32,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:49:32,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801339338] [2022-07-12 12:49:32,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801339338] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:49:32,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:49:32,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 12:49:32,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218841494] [2022-07-12 12:49:32,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:49:32,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 12:49:32,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:49:32,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 12:49:32,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-12 12:49:32,625 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) [2022-07-12 12:49:52,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:49:52,889 INFO L93 Difference]: Finished difference Result 23358 states and 34567 transitions. [2022-07-12 12:49:52,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-12 12:49:52,890 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 [2022-07-12 12:49:52,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:49:52,980 INFO L225 Difference]: With dead ends: 23358 [2022-07-12 12:49:52,980 INFO L226 Difference]: Without dead ends: 16975 [2022-07-12 12:49:53,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2022-07-12 12:49:53,007 INFO L413 NwaCegarLoop]: 5045 mSDtfsCounter, 14739 mSDsluCounter, 10058 mSDsCounter, 0 mSdLazyCounter, 16677 mSolverCounterSat, 10364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15243 SdHoareTripleChecker+Valid, 15103 SdHoareTripleChecker+Invalid, 27041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10364 IncrementalHoareTripleChecker+Valid, 16677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2022-07-12 12:49:53,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15243 Valid, 15103 Invalid, 27041 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10364 Valid, 16677 Invalid, 0 Unknown, 0 Unchecked, 19.4s Time] [2022-07-12 12:49:53,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16975 states. [2022-07-12 12:49:53,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16975 to 11111. [2022-07-12 12:49:53,498 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) [2022-07-12 12:49:53,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11111 states to 11111 states and 15988 transitions. [2022-07-12 12:49:53,537 INFO L78 Accepts]: Start accepts. Automaton has 11111 states and 15988 transitions. Word has length 156 [2022-07-12 12:49:53,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:49:53,539 INFO L495 AbstractCegarLoop]: Abstraction has 11111 states and 15988 transitions. [2022-07-12 12:49:53,539 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) [2022-07-12 12:49:53,539 INFO L276 IsEmpty]: Start isEmpty. Operand 11111 states and 15988 transitions. [2022-07-12 12:49:53,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-07-12 12:49:53,559 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:49:53,559 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] [2022-07-12 12:49:53,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 12:49:53,560 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:49:53,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:49:53,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1303670089, now seen corresponding path program 1 times [2022-07-12 12:49:53,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:49:53,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093583179] [2022-07-12 12:49:53,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:49:53,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:49:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:49:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:49:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:49:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:49:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:49:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:49:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 12:49:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 12:49:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 12:49:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 12:49:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 12:49:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-12 12:49:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:49:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 12:49:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 12:49:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 12:49:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 12:49:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 12:49:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 12:49:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-12 12:49:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 12:49:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-12 12:49:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 12:49:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 12:49:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:49:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:53,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-12 12:49:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:49:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-07-12 12:49:54,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:49:54,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093583179] [2022-07-12 12:49:54,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093583179] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:49:54,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:49:54,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 12:49:54,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792664158] [2022-07-12 12:49:54,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:49:54,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 12:49:54,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:49:54,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 12:49:54,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-12 12:49:54,003 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) [2022-07-12 12:50:14,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:50:14,010 INFO L93 Difference]: Finished difference Result 35512 states and 52493 transitions. [2022-07-12 12:50:14,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-12 12:50:14,010 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 [2022-07-12 12:50:14,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:50:14,118 INFO L225 Difference]: With dead ends: 35512 [2022-07-12 12:50:14,118 INFO L226 Difference]: Without dead ends: 24431 [2022-07-12 12:50:14,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2022-07-12 12:50:14,161 INFO L413 NwaCegarLoop]: 6518 mSDtfsCounter, 14112 mSDsluCounter, 9742 mSDsCounter, 0 mSdLazyCounter, 14014 mSolverCounterSat, 11563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14692 SdHoareTripleChecker+Valid, 16260 SdHoareTripleChecker+Invalid, 25577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11563 IncrementalHoareTripleChecker+Valid, 14014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2022-07-12 12:50:14,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14692 Valid, 16260 Invalid, 25577 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11563 Valid, 14014 Invalid, 0 Unknown, 0 Unchecked, 18.6s Time] [2022-07-12 12:50:14,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24431 states. [2022-07-12 12:50:15,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24431 to 15700. [2022-07-12 12:50:15,278 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) [2022-07-12 12:50:15,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15700 states to 15700 states and 22563 transitions. [2022-07-12 12:50:15,328 INFO L78 Accepts]: Start accepts. Automaton has 15700 states and 22563 transitions. Word has length 193 [2022-07-12 12:50:15,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:50:15,329 INFO L495 AbstractCegarLoop]: Abstraction has 15700 states and 22563 transitions. [2022-07-12 12:50:15,329 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) [2022-07-12 12:50:15,329 INFO L276 IsEmpty]: Start isEmpty. Operand 15700 states and 22563 transitions. [2022-07-12 12:50:15,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-07-12 12:50:15,349 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:50:15,349 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] [2022-07-12 12:50:15,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 12:50:15,350 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:50:15,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:50:15,350 INFO L85 PathProgramCache]: Analyzing trace with hash -763262659, now seen corresponding path program 1 times [2022-07-12 12:50:15,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:50:15,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897384581] [2022-07-12 12:50:15,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:50:15,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:50:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:50:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:50:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:50:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:50:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:50:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:50:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 12:50:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 12:50:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 12:50:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 12:50:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 12:50:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 12:50:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:50:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 12:50:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-12 12:50:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 12:50:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 12:50:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-12 12:50:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 12:50:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 12:50:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 12:50:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 12:50:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 12:50:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 12:50:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:50:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 12:50:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:15,673 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-12 12:50:15,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:50:15,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897384581] [2022-07-12 12:50:15,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897384581] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:50:15,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:50:15,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 12:50:15,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228189973] [2022-07-12 12:50:15,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:50:15,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 12:50:15,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:50:15,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 12:50:15,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 12:50:15,675 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) [2022-07-12 12:50:42,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:50:42,357 INFO L93 Difference]: Finished difference Result 48723 states and 71990 transitions. [2022-07-12 12:50:42,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-12 12:50:42,358 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 [2022-07-12 12:50:42,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:50:42,522 INFO L225 Difference]: With dead ends: 48723 [2022-07-12 12:50:42,523 INFO L226 Difference]: Without dead ends: 33053 [2022-07-12 12:50:42,571 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 [2022-07-12 12:50:42,572 INFO L413 NwaCegarLoop]: 7849 mSDtfsCounter, 12150 mSDsluCounter, 17340 mSDsCounter, 0 mSdLazyCounter, 22238 mSolverCounterSat, 9900 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12609 SdHoareTripleChecker+Valid, 25189 SdHoareTripleChecker+Invalid, 32138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9900 IncrementalHoareTripleChecker+Valid, 22238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.5s IncrementalHoareTripleChecker+Time [2022-07-12 12:50:42,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12609 Valid, 25189 Invalid, 32138 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9900 Valid, 22238 Invalid, 0 Unknown, 0 Unchecked, 24.5s Time] [2022-07-12 12:50:42,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33053 states. [2022-07-12 12:50:43,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33053 to 15704. [2022-07-12 12:50:43,605 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) [2022-07-12 12:50:43,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15704 states to 15704 states and 22567 transitions. [2022-07-12 12:50:43,659 INFO L78 Accepts]: Start accepts. Automaton has 15704 states and 22567 transitions. Word has length 201 [2022-07-12 12:50:43,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:50:43,660 INFO L495 AbstractCegarLoop]: Abstraction has 15704 states and 22567 transitions. [2022-07-12 12:50:43,660 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) [2022-07-12 12:50:43,660 INFO L276 IsEmpty]: Start isEmpty. Operand 15704 states and 22567 transitions. [2022-07-12 12:50:43,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-07-12 12:50:43,680 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:50:43,680 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] [2022-07-12 12:50:43,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 12:50:43,680 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:50:43,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:50:43,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1339167325, now seen corresponding path program 1 times [2022-07-12 12:50:43,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:50:43,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964991288] [2022-07-12 12:50:43,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:50:43,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:50:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:50:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:50:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:50:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:50:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:50:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:50:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 12:50:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 12:50:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 12:50:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 12:50:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 12:50:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 12:50:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 12:50:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:50:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 12:50:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 12:50:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 12:50:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 12:50:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 12:50:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 12:50:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 12:50:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 12:50:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 12:50:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 12:50:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-12 12:50:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:50:44,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-12 12:50:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:50:44,146 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-12 12:50:44,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:50:44,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964991288] [2022-07-12 12:50:44,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964991288] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:50:44,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:50:44,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 12:50:44,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138236589] [2022-07-12 12:50:44,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:50:44,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 12:50:44,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:50:44,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 12:50:44,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 12:50:44,148 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) [2022-07-12 12:51:01,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:51:01,408 INFO L93 Difference]: Finished difference Result 42760 states and 63722 transitions. [2022-07-12 12:51:01,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 12:51:01,409 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 [2022-07-12 12:51:01,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:51:01,576 INFO L225 Difference]: With dead ends: 42760 [2022-07-12 12:51:01,576 INFO L226 Difference]: Without dead ends: 27086 [2022-07-12 12:51:01,655 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 [2022-07-12 12:51:01,656 INFO L413 NwaCegarLoop]: 4952 mSDtfsCounter, 8596 mSDsluCounter, 14240 mSDsCounter, 0 mSdLazyCounter, 16025 mSolverCounterSat, 5563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8994 SdHoareTripleChecker+Valid, 19192 SdHoareTripleChecker+Invalid, 21588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5563 IncrementalHoareTripleChecker+Valid, 16025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-07-12 12:51:01,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8994 Valid, 19192 Invalid, 21588 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5563 Valid, 16025 Invalid, 0 Unknown, 0 Unchecked, 15.9s Time] [2022-07-12 12:51:01,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27086 states. [2022-07-12 12:51:02,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27086 to 15708. [2022-07-12 12:51:02,921 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) [2022-07-12 12:51:03,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15708 states to 15708 states and 22571 transitions. [2022-07-12 12:51:03,011 INFO L78 Accepts]: Start accepts. Automaton has 15708 states and 22571 transitions. Word has length 218 [2022-07-12 12:51:03,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:51:03,012 INFO L495 AbstractCegarLoop]: Abstraction has 15708 states and 22571 transitions. [2022-07-12 12:51:03,013 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) [2022-07-12 12:51:03,013 INFO L276 IsEmpty]: Start isEmpty. Operand 15708 states and 22571 transitions. [2022-07-12 12:51:03,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-07-12 12:51:03,042 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:51:03,042 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] [2022-07-12 12:51:03,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 12:51:03,042 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:51:03,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:51:03,043 INFO L85 PathProgramCache]: Analyzing trace with hash 754395675, now seen corresponding path program 1 times [2022-07-12 12:51:03,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:51:03,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610508650] [2022-07-12 12:51:03,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:51:03,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:51:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:51:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:51:03,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:51:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:51:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:51:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:51:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 12:51:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 12:51:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 12:51:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 12:51:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 12:51:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 12:51:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 12:51:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:51:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 12:51:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 12:51:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 12:51:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 12:51:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-12 12:51:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 12:51:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-12 12:51:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 12:51:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 12:51:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 12:51:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-12 12:51:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:51:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-12 12:51:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:03,937 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-12 12:51:03,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:51:03,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610508650] [2022-07-12 12:51:03,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610508650] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:51:03,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:51:03,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 12:51:03,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294936011] [2022-07-12 12:51:03,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:51:03,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 12:51:03,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:51:03,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 12:51:03,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-12 12:51:03,941 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) [2022-07-12 12:51:23,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:51:23,196 INFO L93 Difference]: Finished difference Result 49140 states and 72757 transitions. [2022-07-12 12:51:23,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-12 12:51:23,197 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 [2022-07-12 12:51:23,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:51:23,308 INFO L225 Difference]: With dead ends: 49140 [2022-07-12 12:51:23,308 INFO L226 Difference]: Without dead ends: 33462 [2022-07-12 12:51:23,363 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 [2022-07-12 12:51:23,365 INFO L413 NwaCegarLoop]: 8083 mSDtfsCounter, 13265 mSDsluCounter, 17922 mSDsCounter, 0 mSdLazyCounter, 21679 mSolverCounterSat, 11332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13840 SdHoareTripleChecker+Valid, 26005 SdHoareTripleChecker+Invalid, 33011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11332 IncrementalHoareTripleChecker+Valid, 21679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-07-12 12:51:23,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13840 Valid, 26005 Invalid, 33011 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11332 Valid, 21679 Invalid, 0 Unknown, 0 Unchecked, 17.2s Time] [2022-07-12 12:51:23,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33462 states. [2022-07-12 12:51:24,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33462 to 15706. [2022-07-12 12:51:24,508 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) [2022-07-12 12:51:24,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15706 states to 15706 states and 22568 transitions. [2022-07-12 12:51:24,574 INFO L78 Accepts]: Start accepts. Automaton has 15706 states and 22568 transitions. Word has length 218 [2022-07-12 12:51:24,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:51:24,574 INFO L495 AbstractCegarLoop]: Abstraction has 15706 states and 22568 transitions. [2022-07-12 12:51:24,575 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) [2022-07-12 12:51:24,575 INFO L276 IsEmpty]: Start isEmpty. Operand 15706 states and 22568 transitions. [2022-07-12 12:51:24,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2022-07-12 12:51:24,619 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:51:24,619 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] [2022-07-12 12:51:24,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 12:51:24,620 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:51:24,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:51:24,620 INFO L85 PathProgramCache]: Analyzing trace with hash -899968575, now seen corresponding path program 1 times [2022-07-12 12:51:24,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:51:24,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159073488] [2022-07-12 12:51:24,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:51:24,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:51:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:51:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:51:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:51:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:51:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:51:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:51:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 12:51:25,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 12:51:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 12:51:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 12:51:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-12 12:51:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 12:51:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 12:51:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 12:51:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:51:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-12 12:51:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 12:51:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-12 12:51:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 12:51:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 12:51:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-12 12:51:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:51:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 12:51:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-12 12:51:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-12 12:51:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 12:51:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 12:51:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 12:51:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:51:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:51:25,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 12:51:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-12 12:51:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-12 12:51:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-12 12:51:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-12 12:51:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 12:51:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 12:51:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-12 12:51:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-12 12:51:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-12 12:51:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-12 12:51:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 12:51:25,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:51:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-12 12:51:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:51:25,446 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-12 12:51:25,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:51:25,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159073488] [2022-07-12 12:51:25,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159073488] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:51:25,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:51:25,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 12:51:25,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915305453] [2022-07-12 12:51:25,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:51:25,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 12:51:25,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:51:25,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 12:51:25,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-12 12:51:25,450 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) [2022-07-12 12:51:32,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:51:32,735 INFO L93 Difference]: Finished difference Result 21970 states and 32000 transitions. [2022-07-12 12:51:32,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 12:51:32,735 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 [2022-07-12 12:51:32,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:51:32,737 INFO L225 Difference]: With dead ends: 21970 [2022-07-12 12:51:32,737 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 12:51:32,765 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2022-07-12 12:51:32,765 INFO L413 NwaCegarLoop]: 2020 mSDtfsCounter, 7728 mSDsluCounter, 3949 mSDsCounter, 0 mSdLazyCounter, 6997 mSolverCounterSat, 6587 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7941 SdHoareTripleChecker+Valid, 5969 SdHoareTripleChecker+Invalid, 13584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6587 IncrementalHoareTripleChecker+Valid, 6997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-07-12 12:51:32,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7941 Valid, 5969 Invalid, 13584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6587 Valid, 6997 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-07-12 12:51:32,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 12:51:32,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 12:51:32,767 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) [2022-07-12 12:51:32,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 12:51:32,769 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 387 [2022-07-12 12:51:32,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:51:32,770 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 12:51:32,770 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) [2022-07-12 12:51:32,770 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 12:51:32,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 12:51:32,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 12:51:32,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 12:51:32,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.