./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 eb692b52 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-?-eb692b5 [2022-07-19 23:50:35,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:50:35,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:50:35,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:50:35,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:50:35,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:50:35,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:50:35,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:50:35,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:50:35,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:50:35,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:50:35,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:50:35,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:50:35,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:50:35,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:50:35,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:50:35,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:50:35,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:50:35,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:50:35,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:50:35,646 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:50:35,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:50:35,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:50:35,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:50:35,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:50:35,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:50:35,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:50:35,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:50:35,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:50:35,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:50:35,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:50:35,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:50:35,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:50:35,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:50:35,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:50:35,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:50:35,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:50:35,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:50:35,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:50:35,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:50:35,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:50:35,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:50:35,668 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:50:35,699 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:50:35,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:50:35,700 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:50:35,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:50:35,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:50:35,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:50:35,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:50:35,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:50:35,702 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:50:35,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:50:35,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:50:35,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:50:35,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:50:35,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:50:35,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:50:35,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:50:35,704 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:50:35,704 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:50:35,704 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:50:35,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:50:35,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:50:35,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:50:35,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:50:35,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:50:35,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:50:35,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:50:35,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:50:35,707 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:50:35,707 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:50:35,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:50:35,708 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecea5961d53d2608898d65c83a7bf6d9a36712172eaf67bd828ea354982e0e3d [2022-07-19 23:50:35,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:50:36,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:50:36,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:50:36,018 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:50:36,018 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:50:36,019 INFO L432 ainManager$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 [2022-07-19 23:50:36,069 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37e491d7d/dea4ff13a32547f8b42b112962a24b78/FLAG01a55a781 [2022-07-19 23:50:36,914 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:50:36,915 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 [2022-07-19 23:50:36,969 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37e491d7d/dea4ff13a32547f8b42b112962a24b78/FLAG01a55a781 [2022-07-19 23:50:37,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37e491d7d/dea4ff13a32547f8b42b112962a24b78 [2022-07-19 23:50:37,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:50:37,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:50:37,065 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:50:37,065 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:50:37,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:50:37,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:50:37" (1/1) ... [2022-07-19 23:50:37,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ace1a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:50:37, skipping insertion in model container [2022-07-19 23:50:37,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:50:37" (1/1) ... [2022-07-19 23:50:37,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:50:37,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:50:37,669 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2022-07-19 23:50:37,670 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] [2022-07-19 23:50:37,918 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] [2022-07-19 23:50:40,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:50:40,281 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:50:40,379 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2022-07-19 23:50:40,380 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] [2022-07-19 23:50:40,384 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] [2022-07-19 23:50:40,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:50:40,928 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:50:40,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:50:40 WrapperNode [2022-07-19 23:50:40,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:50:40,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:50:40,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:50:40,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:50:40,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:50:40" (1/1) ... [2022-07-19 23:50:41,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:50:40" (1/1) ... [2022-07-19 23:50:41,321 INFO L137 Inliner]: procedures = 437, calls = 4988, calls flagged for inlining = 192, calls inlined = 174, statements flattened = 10313 [2022-07-19 23:50:41,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:50:41,323 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:50:41,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:50:41,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:50:41,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:50:40" (1/1) ... [2022-07-19 23:50:41,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:50:40" (1/1) ... [2022-07-19 23:50:41,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:50:40" (1/1) ... [2022-07-19 23:50:41,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:50:40" (1/1) ... [2022-07-19 23:50:41,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:50:40" (1/1) ... [2022-07-19 23:50:41,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:50:40" (1/1) ... [2022-07-19 23:50:41,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:50:40" (1/1) ... [2022-07-19 23:50:41,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:50:41,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:50:41,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:50:41,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:50:41,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:50:40" (1/1) ... [2022-07-19 23:50:41,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:50:41,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:50:41,933 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) [2022-07-19 23:50:41,952 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 [2022-07-19 23:50:41,981 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2022-07-19 23:50:41,982 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2022-07-19 23:50:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-19 23:50:41,982 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-19 23:50:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-19 23:50:41,982 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-19 23:50:41,982 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-19 23:50:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-19 23:50:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2022-07-19 23:50:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2022-07-19 23:50:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-19 23:50:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-19 23:50:41,983 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2022-07-19 23:50:41,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2022-07-19 23:50:41,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:50:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:50:41,984 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-19 23:50:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-19 23:50:41,984 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-19 23:50:41,984 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-19 23:50:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-19 23:50:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-19 23:50:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-19 23:50:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-19 23:50:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-19 23:50:41,985 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-19 23:50:41,985 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-19 23:50:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-19 23:50:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-19 23:50:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-19 23:50:41,986 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-19 23:50:41,986 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-19 23:50:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-19 23:50:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-19 23:50:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-19 23:50:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-19 23:50:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-19 23:50:41,987 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-19 23:50:41,987 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2022-07-19 23:50:41,988 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2022-07-19 23:50:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-19 23:50:41,988 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-19 23:50:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-19 23:50:41,988 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-19 23:50:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-19 23:50:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-19 23:50:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-19 23:50:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-19 23:50:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-19 23:50:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-19 23:50:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:50:41,990 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2022-07-19 23:50:41,990 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2022-07-19 23:50:41,991 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-19 23:50:41,991 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-19 23:50:41,992 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2022-07-19 23:50:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2022-07-19 23:50:41,992 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-19 23:50:41,992 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-19 23:50:41,992 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-19 23:50:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-19 23:50:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2022-07-19 23:50:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2022-07-19 23:50:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2022-07-19 23:50:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2022-07-19 23:50:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-19 23:50:41,993 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2022-07-19 23:50:41,993 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2022-07-19 23:50:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-19 23:50:41,994 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-19 23:50:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-19 23:50:41,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-19 23:50:41,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-19 23:50:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-19 23:50:41,995 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-19 23:50:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 23:50:41,995 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-19 23:50:41,995 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-19 23:50:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-19 23:50:41,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-19 23:50:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 23:50:41,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 23:50:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-19 23:50:41,996 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-19 23:50:41,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-19 23:50:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-19 23:50:41,997 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-19 23:50:41,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-19 23:50:41,997 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-19 23:50:42,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-19 23:50:42,009 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2022-07-19 23:50:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2022-07-19 23:50:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-19 23:50:42,010 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-19 23:50:42,010 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2022-07-19 23:50:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2022-07-19 23:50:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:50:42,011 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-19 23:50:42,011 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-19 23:50:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure private_ioctl [2022-07-19 23:50:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure private_ioctl [2022-07-19 23:50:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:50:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-19 23:50:42,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-19 23:50:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:50:42,012 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2022-07-19 23:50:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2022-07-19 23:50:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-19 23:50:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-19 23:50:42,013 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-19 23:50:42,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-19 23:50:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-19 23:50:42,014 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-19 23:50:42,014 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-19 23:50:42,015 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-19 23:50:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-19 23:50:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-19 23:50:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-19 23:50:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-19 23:50:42,018 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-19 23:50:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-19 23:50:42,019 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-19 23:50:42,019 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-19 23:50:42,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:50:42,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:50:42,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:50:42,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:50:42,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-19 23:50:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-19 23:50:42,024 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-19 23:50:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-19 23:50:42,024 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-19 23:50:42,024 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-19 23:50:42,025 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-19 23:50:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-19 23:50:42,025 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2022-07-19 23:50:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2022-07-19 23:50:42,025 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-19 23:50:42,025 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-19 23:50:42,025 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-07-19 23:50:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-07-19 23:50:42,026 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-19 23:50:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-19 23:50:42,026 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2022-07-19 23:50:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2022-07-19 23:50:42,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:50:42,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:50:42,026 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2022-07-19 23:50:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2022-07-19 23:50:42,027 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-07-19 23:50:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-07-19 23:50:42,027 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-19 23:50:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-19 23:50:42,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 23:50:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 23:50:42,027 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-19 23:50:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-19 23:50:42,028 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 23:50:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 23:50:42,028 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-19 23:50:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-19 23:50:42,028 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-19 23:50:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-19 23:50:42,028 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-19 23:50:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-19 23:50:42,029 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_get_stats [2022-07-19 23:50:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_get_stats [2022-07-19 23:50:42,029 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-19 23:50:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-19 23:50:42,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:50:42,029 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2022-07-19 23:50:42,029 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2022-07-19 23:50:42,030 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-19 23:50:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-19 23:50:42,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:50:42,030 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-19 23:50:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-19 23:50:42,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-19 23:50:42,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-19 23:50:42,030 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-19 23:50:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-19 23:50:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-19 23:50:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-19 23:50:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:50:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2022-07-19 23:50:42,031 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2022-07-19 23:50:42,031 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2022-07-19 23:50:42,032 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2022-07-19 23:50:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2022-07-19 23:50:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2022-07-19 23:50:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-19 23:50:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-19 23:50:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2022-07-19 23:50:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2022-07-19 23:50:42,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-19 23:50:42,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-19 23:50:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-19 23:50:42,047 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-19 23:50:42,047 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2022-07-19 23:50:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2022-07-19 23:50:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___0 [2022-07-19 23:50:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___0 [2022-07-19 23:50:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-19 23:50:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-19 23:50:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-19 23:50:42,048 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-19 23:50:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-19 23:50:42,049 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-19 23:50:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 23:50:42,049 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 23:50:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 23:50:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-07-19 23:50:42,049 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-07-19 23:50:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2022-07-19 23:50:42,049 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2022-07-19 23:50:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:50:42,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:50:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-07-19 23:50:42,050 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-07-19 23:50:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2022-07-19 23:50:42,050 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2022-07-19 23:50:42,050 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-19 23:50:42,050 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-19 23:50:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-19 23:50:42,051 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-19 23:50:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-19 23:50:42,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-19 23:50:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-19 23:50:42,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-19 23:50:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-19 23:50:42,051 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-19 23:50:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-19 23:50:42,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-19 23:50:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-19 23:50:42,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-19 23:50:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2022-07-19 23:50:42,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2022-07-19 23:50:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-19 23:50:42,052 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-19 23:50:42,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2022-07-19 23:50:42,053 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2022-07-19 23:50:42,054 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2022-07-19 23:50:42,056 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2022-07-19 23:50:42,056 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-19 23:50:42,057 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-19 23:50:42,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 23:50:43,171 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:50:43,174 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:50:43,885 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-19 23:50:50,256 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:50:50,283 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:50:50,285 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-19 23:50:50,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:50:50 BoogieIcfgContainer [2022-07-19 23:50:50,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:50:50,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:50:50,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:50:50,294 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:50:50,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:50:37" (1/3) ... [2022-07-19 23:50:50,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8bfef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:50:50, skipping insertion in model container [2022-07-19 23:50:50,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:50:40" (2/3) ... [2022-07-19 23:50:50,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8bfef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:50:50, skipping insertion in model container [2022-07-19 23:50:50,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:50:50" (3/3) ... [2022-07-19 23:50:50,297 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 [2022-07-19 23:50:50,308 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:50:50,308 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:50:50,408 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:50:50,413 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@51513eca, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@738d416b [2022-07-19 23:50:50,414 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:50:50,432 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) [2022-07-19 23:50:50,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-19 23:50:50,460 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:50:50,460 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] [2022-07-19 23:50:50,462 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:50:50,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:50:50,467 INFO L85 PathProgramCache]: Analyzing trace with hash 424466121, now seen corresponding path program 1 times [2022-07-19 23:50:50,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:50:50,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879309743] [2022-07-19 23:50:50,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:50:50,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:50:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:50:51,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:50:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:50:51,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:50:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:50:51,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:50:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:50:51,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:50:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:50:51,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:50:51,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:50:51,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:50:51,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:50:51,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-19 23:50:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:50:51,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-19 23:50:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:50:51,266 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-19 23:50:51,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:50:51,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879309743] [2022-07-19 23:50:51,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879309743] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:50:51,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:50:51,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:50:51,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313031049] [2022-07-19 23:50:51,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:50:51,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:50:51,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:50:51,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:50:51,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:50:51,302 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) [2022-07-19 23:51:03,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:51:03,114 INFO L93 Difference]: Finished difference Result 9992 states and 15605 transitions. [2022-07-19 23:51:03,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 23:51:03,122 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 [2022-07-19 23:51:03,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:51:03,183 INFO L225 Difference]: With dead ends: 9992 [2022-07-19 23:51:03,184 INFO L226 Difference]: Without dead ends: 6609 [2022-07-19 23:51:03,212 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 [2022-07-19 23:51:03,215 INFO L413 NwaCegarLoop]: 5065 mSDtfsCounter, 7018 mSDsluCounter, 7241 mSDsCounter, 0 mSdLazyCounter, 6007 mSolverCounterSat, 4264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s 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, 11.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:51:03,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7538 Valid, 12306 Invalid, 10271 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4264 Valid, 6007 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2022-07-19 23:51:03,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6609 states. [2022-07-19 23:51:03,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6609 to 6043. [2022-07-19 23:51:03,680 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) [2022-07-19 23:51:03,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6043 states to 6043 states and 8926 transitions. [2022-07-19 23:51:03,741 INFO L78 Accepts]: Start accepts. Automaton has 6043 states and 8926 transitions. Word has length 71 [2022-07-19 23:51:03,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:51:03,743 INFO L495 AbstractCegarLoop]: Abstraction has 6043 states and 8926 transitions. [2022-07-19 23:51:03,743 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) [2022-07-19 23:51:03,744 INFO L276 IsEmpty]: Start isEmpty. Operand 6043 states and 8926 transitions. [2022-07-19 23:51:03,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-19 23:51:03,756 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:51:03,757 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] [2022-07-19 23:51:03,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 23:51:03,758 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:51:03,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:51:03,759 INFO L85 PathProgramCache]: Analyzing trace with hash -953532552, now seen corresponding path program 1 times [2022-07-19 23:51:03,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:51:03,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518205291] [2022-07-19 23:51:03,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:51:03,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:51:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:04,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:51:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:04,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:51:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:04,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:51:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:04,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:51:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:04,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:51:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:04,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:51:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:04,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-19 23:51:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:04,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-19 23:51:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:04,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 23:51:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:04,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 23:51:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:04,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 23:51:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:04,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 23:51:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:04,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-19 23:51:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:04,397 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-19 23:51:04,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:51:04,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518205291] [2022-07-19 23:51:04,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518205291] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:51:04,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:51:04,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 23:51:04,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569189395] [2022-07-19 23:51:04,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:51:04,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 23:51:04,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:51:04,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 23:51:04,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:51:04,401 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) [2022-07-19 23:51:15,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:51:15,518 INFO L93 Difference]: Finished difference Result 12672 states and 18840 transitions. [2022-07-19 23:51:15,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-19 23:51:15,519 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 [2022-07-19 23:51:15,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:51:15,562 INFO L225 Difference]: With dead ends: 12672 [2022-07-19 23:51:15,563 INFO L226 Difference]: Without dead ends: 6640 [2022-07-19 23:51:15,595 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 [2022-07-19 23:51:15,596 INFO L413 NwaCegarLoop]: 4540 mSDtfsCounter, 7221 mSDsluCounter, 9642 mSDsCounter, 0 mSdLazyCounter, 7594 mSolverCounterSat, 3892 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s 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, 10.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:51:15,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7745 Valid, 14182 Invalid, 11486 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3892 Valid, 7594 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2022-07-19 23:51:15,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6640 states. [2022-07-19 23:51:15,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6640 to 6058. [2022-07-19 23:51:15,912 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) [2022-07-19 23:51:15,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6058 states to 6058 states and 8937 transitions. [2022-07-19 23:51:15,944 INFO L78 Accepts]: Start accepts. Automaton has 6058 states and 8937 transitions. Word has length 113 [2022-07-19 23:51:15,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:51:15,946 INFO L495 AbstractCegarLoop]: Abstraction has 6058 states and 8937 transitions. [2022-07-19 23:51:15,947 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) [2022-07-19 23:51:15,947 INFO L276 IsEmpty]: Start isEmpty. Operand 6058 states and 8937 transitions. [2022-07-19 23:51:15,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-19 23:51:15,954 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:51:15,954 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] [2022-07-19 23:51:15,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 23:51:15,955 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:51:15,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:51:15,955 INFO L85 PathProgramCache]: Analyzing trace with hash 75826746, now seen corresponding path program 1 times [2022-07-19 23:51:15,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:51:15,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830526662] [2022-07-19 23:51:15,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:51:15,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:51:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:16,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:51:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:16,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:51:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:16,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:51:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:16,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:51:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:16,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:51:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:16,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:51:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:16,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-19 23:51:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:16,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-19 23:51:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:16,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 23:51:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:16,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-19 23:51:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:16,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 23:51:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:16,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 23:51:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:16,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-19 23:51:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:16,504 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-19 23:51:16,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:51:16,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830526662] [2022-07-19 23:51:16,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830526662] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:51:16,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:51:16,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 23:51:16,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709009577] [2022-07-19 23:51:16,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:51:16,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 23:51:16,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:51:16,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 23:51:16,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 23:51:16,513 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) [2022-07-19 23:51:24,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:51:24,779 INFO L93 Difference]: Finished difference Result 12339 states and 18337 transitions. [2022-07-19 23:51:24,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 23:51:24,780 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 [2022-07-19 23:51:24,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:51:24,824 INFO L225 Difference]: With dead ends: 12339 [2022-07-19 23:51:24,824 INFO L226 Difference]: Without dead ends: 6311 [2022-07-19 23:51:24,855 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 [2022-07-19 23:51:24,856 INFO L413 NwaCegarLoop]: 4159 mSDtfsCounter, 5847 mSDsluCounter, 4552 mSDsCounter, 0 mSdLazyCounter, 4742 mSolverCounterSat, 2701 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s 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, 7.9s IncrementalHoareTripleChecker+Time [2022-07-19 23:51:24,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6309 Valid, 8711 Invalid, 7443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2701 Valid, 4742 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2022-07-19 23:51:24,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6311 states. [2022-07-19 23:51:25,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6311 to 5783. [2022-07-19 23:51:25,212 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) [2022-07-19 23:51:25,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5783 states to 5783 states and 8390 transitions. [2022-07-19 23:51:25,238 INFO L78 Accepts]: Start accepts. Automaton has 5783 states and 8390 transitions. Word has length 113 [2022-07-19 23:51:25,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:51:25,240 INFO L495 AbstractCegarLoop]: Abstraction has 5783 states and 8390 transitions. [2022-07-19 23:51:25,241 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) [2022-07-19 23:51:25,241 INFO L276 IsEmpty]: Start isEmpty. Operand 5783 states and 8390 transitions. [2022-07-19 23:51:25,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-19 23:51:25,250 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:51:25,251 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] [2022-07-19 23:51:25,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 23:51:25,251 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:51:25,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:51:25,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1870934641, now seen corresponding path program 1 times [2022-07-19 23:51:25,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:51:25,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928694463] [2022-07-19 23:51:25,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:51:25,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:51:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:25,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:51:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:25,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:51:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:25,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:51:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:25,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:51:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:25,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:51:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:25,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:51:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:25,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:51:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:25,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-19 23:51:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:25,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 23:51:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:25,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-19 23:51:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:25,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-19 23:51:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:25,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-19 23:51:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:25,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 23:51:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:25,703 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-19 23:51:25,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:51:25,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928694463] [2022-07-19 23:51:25,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928694463] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:51:25,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:51:25,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 23:51:25,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137947625] [2022-07-19 23:51:25,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:51:25,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 23:51:25,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:51:25,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 23:51:25,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-19 23:51:25,706 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) [2022-07-19 23:51:32,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:51:32,684 INFO L93 Difference]: Finished difference Result 7078 states and 10249 transitions. [2022-07-19 23:51:32,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 23:51:32,685 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 [2022-07-19 23:51:32,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:51:32,726 INFO L225 Difference]: With dead ends: 7078 [2022-07-19 23:51:32,726 INFO L226 Difference]: Without dead ends: 7075 [2022-07-19 23:51:32,731 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 [2022-07-19 23:51:32,731 INFO L413 NwaCegarLoop]: 4491 mSDtfsCounter, 6909 mSDsluCounter, 3843 mSDsCounter, 0 mSdLazyCounter, 3949 mSolverCounterSat, 3829 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7328 SdHoareTripleChecker+Valid, 8334 SdHoareTripleChecker+Invalid, 7778 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3829 IncrementalHoareTripleChecker+Valid, 3949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:51:32,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7328 Valid, 8334 Invalid, 7778 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3829 Valid, 3949 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-07-19 23:51:32,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7075 states. [2022-07-19 23:51:33,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7075 to 6413. [2022-07-19 23:51:33,056 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) [2022-07-19 23:51:33,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6413 states to 6413 states and 9219 transitions. [2022-07-19 23:51:33,082 INFO L78 Accepts]: Start accepts. Automaton has 6413 states and 9219 transitions. Word has length 108 [2022-07-19 23:51:33,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:51:33,082 INFO L495 AbstractCegarLoop]: Abstraction has 6413 states and 9219 transitions. [2022-07-19 23:51:33,083 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) [2022-07-19 23:51:33,083 INFO L276 IsEmpty]: Start isEmpty. Operand 6413 states and 9219 transitions. [2022-07-19 23:51:33,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-19 23:51:33,092 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:51:33,092 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] [2022-07-19 23:51:33,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 23:51:33,093 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:51:33,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:51:33,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1148926766, now seen corresponding path program 1 times [2022-07-19 23:51:33,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:51:33,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316102088] [2022-07-19 23:51:33,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:51:33,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:51:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:51:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:51:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:51:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:51:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:51:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:51:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:51:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 23:51:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-19 23:51:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:51:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-19 23:51:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-19 23:51:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 23:51:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 23:51:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-19 23:51:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 23:51:33,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-19 23:51:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-19 23:51:33,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-19 23:51:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-19 23:51:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-19 23:51:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:51:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-19 23:51:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:33,503 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-07-19 23:51:33,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:51:33,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316102088] [2022-07-19 23:51:33,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316102088] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:51:33,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:51:33,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 23:51:33,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323111393] [2022-07-19 23:51:33,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:51:33,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 23:51:33,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:51:33,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 23:51:33,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:51:33,506 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) [2022-07-19 23:51:54,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:51:54,653 INFO L93 Difference]: Finished difference Result 23358 states and 34567 transitions. [2022-07-19 23:51:54,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-19 23:51:54,654 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 [2022-07-19 23:51:54,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:51:54,746 INFO L225 Difference]: With dead ends: 23358 [2022-07-19 23:51:54,746 INFO L226 Difference]: Without dead ends: 16975 [2022-07-19 23:51:54,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2022-07-19 23:51:54,779 INFO L413 NwaCegarLoop]: 5047 mSDtfsCounter, 14739 mSDsluCounter, 10058 mSDsCounter, 0 mSdLazyCounter, 16684 mSolverCounterSat, 10364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15241 SdHoareTripleChecker+Valid, 15105 SdHoareTripleChecker+Invalid, 27048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10364 IncrementalHoareTripleChecker+Valid, 16684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2022-07-19 23:51:54,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15241 Valid, 15105 Invalid, 27048 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10364 Valid, 16684 Invalid, 0 Unknown, 0 Unchecked, 20.0s Time] [2022-07-19 23:51:54,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16975 states. [2022-07-19 23:51:55,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16975 to 11111. [2022-07-19 23:51:55,467 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) [2022-07-19 23:51:55,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11111 states to 11111 states and 15988 transitions. [2022-07-19 23:51:55,514 INFO L78 Accepts]: Start accepts. Automaton has 11111 states and 15988 transitions. Word has length 156 [2022-07-19 23:51:55,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:51:55,516 INFO L495 AbstractCegarLoop]: Abstraction has 11111 states and 15988 transitions. [2022-07-19 23:51:55,517 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) [2022-07-19 23:51:55,517 INFO L276 IsEmpty]: Start isEmpty. Operand 11111 states and 15988 transitions. [2022-07-19 23:51:55,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-07-19 23:51:55,539 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:51:55,539 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] [2022-07-19 23:51:55,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 23:51:55,540 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:51:55,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:51:55,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1303670089, now seen corresponding path program 1 times [2022-07-19 23:51:55,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:51:55,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081840387] [2022-07-19 23:51:55,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:51:55,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:51:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:55,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:51:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:55,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:51:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:55,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:51:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:55,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:51:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:55,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:51:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:55,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:51:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:55,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:51:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:55,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 23:51:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:55,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-19 23:51:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:55,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-19 23:51:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:55,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-19 23:51:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:55,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-19 23:51:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:55,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:51:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:55,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-19 23:51:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:56,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-19 23:51:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:56,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-19 23:51:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:56,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-19 23:51:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:56,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-19 23:51:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-19 23:51:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:56,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-19 23:51:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:56,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-19 23:51:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:56,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-19 23:51:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:56,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-19 23:51:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:56,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-19 23:51:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:56,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:51:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:56,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-19 23:51:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:51:56,081 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-07-19 23:51:56,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:51:56,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081840387] [2022-07-19 23:51:56,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081840387] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:51:56,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:51:56,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 23:51:56,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756755358] [2022-07-19 23:51:56,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:51:56,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 23:51:56,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:51:56,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 23:51:56,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:51:56,084 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) [2022-07-19 23:52:14,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:52:14,116 INFO L93 Difference]: Finished difference Result 35512 states and 52493 transitions. [2022-07-19 23:52:14,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-19 23:52:14,116 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 [2022-07-19 23:52:14,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:52:14,230 INFO L225 Difference]: With dead ends: 35512 [2022-07-19 23:52:14,230 INFO L226 Difference]: Without dead ends: 24431 [2022-07-19 23:52:14,273 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 [2022-07-19 23:52:14,274 INFO L413 NwaCegarLoop]: 6518 mSDtfsCounter, 14112 mSDsluCounter, 9742 mSDsCounter, 0 mSdLazyCounter, 14014 mSolverCounterSat, 11563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s 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, 16.8s IncrementalHoareTripleChecker+Time [2022-07-19 23:52:14,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14692 Valid, 16260 Invalid, 25577 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11563 Valid, 14014 Invalid, 0 Unknown, 0 Unchecked, 16.8s Time] [2022-07-19 23:52:14,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24431 states. [2022-07-19 23:52:15,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24431 to 15700. [2022-07-19 23:52:15,222 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) [2022-07-19 23:52:15,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15700 states to 15700 states and 22563 transitions. [2022-07-19 23:52:15,291 INFO L78 Accepts]: Start accepts. Automaton has 15700 states and 22563 transitions. Word has length 193 [2022-07-19 23:52:15,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:52:15,292 INFO L495 AbstractCegarLoop]: Abstraction has 15700 states and 22563 transitions. [2022-07-19 23:52:15,292 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) [2022-07-19 23:52:15,292 INFO L276 IsEmpty]: Start isEmpty. Operand 15700 states and 22563 transitions. [2022-07-19 23:52:15,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-07-19 23:52:15,321 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:52:15,321 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] [2022-07-19 23:52:15,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 23:52:15,322 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:52:15,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:52:15,322 INFO L85 PathProgramCache]: Analyzing trace with hash -763262659, now seen corresponding path program 1 times [2022-07-19 23:52:15,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:52:15,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24690741] [2022-07-19 23:52:15,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:52:15,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:52:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:52:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:52:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:52:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:52:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:52:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:52:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:52:15,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 23:52:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-19 23:52:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-19 23:52:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-19 23:52:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-19 23:52:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:52:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-19 23:52:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-19 23:52:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-19 23:52:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-19 23:52:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-19 23:52:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-19 23:52:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-19 23:52:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-19 23:52:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-19 23:52:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-19 23:52:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-19 23:52:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:52:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-19 23:52:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:15,891 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-19 23:52:15,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:52:15,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24690741] [2022-07-19 23:52:15,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24690741] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:52:15,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:52:15,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 23:52:15,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992184839] [2022-07-19 23:52:15,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:52:15,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 23:52:15,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:52:15,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 23:52:15,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-19 23:52:15,893 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) [2022-07-19 23:52:39,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:52:39,316 INFO L93 Difference]: Finished difference Result 48723 states and 71990 transitions. [2022-07-19 23:52:39,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-19 23:52:39,317 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 [2022-07-19 23:52:39,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:52:39,485 INFO L225 Difference]: With dead ends: 48723 [2022-07-19 23:52:39,485 INFO L226 Difference]: Without dead ends: 33053 [2022-07-19 23:52:39,553 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 [2022-07-19 23:52:39,554 INFO L413 NwaCegarLoop]: 7848 mSDtfsCounter, 12150 mSDsluCounter, 17340 mSDsCounter, 0 mSdLazyCounter, 22228 mSolverCounterSat, 9900 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12611 SdHoareTripleChecker+Valid, 25188 SdHoareTripleChecker+Invalid, 32128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9900 IncrementalHoareTripleChecker+Valid, 22228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2022-07-19 23:52:39,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12611 Valid, 25188 Invalid, 32128 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9900 Valid, 22228 Invalid, 0 Unknown, 0 Unchecked, 21.8s Time] [2022-07-19 23:52:39,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33053 states. [2022-07-19 23:52:40,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33053 to 15704. [2022-07-19 23:52:40,740 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) [2022-07-19 23:52:40,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15704 states to 15704 states and 22567 transitions. [2022-07-19 23:52:40,807 INFO L78 Accepts]: Start accepts. Automaton has 15704 states and 22567 transitions. Word has length 201 [2022-07-19 23:52:40,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:52:40,808 INFO L495 AbstractCegarLoop]: Abstraction has 15704 states and 22567 transitions. [2022-07-19 23:52:40,808 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) [2022-07-19 23:52:40,808 INFO L276 IsEmpty]: Start isEmpty. Operand 15704 states and 22567 transitions. [2022-07-19 23:52:40,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-07-19 23:52:40,842 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:52:40,843 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] [2022-07-19 23:52:40,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 23:52:40,843 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:52:40,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:52:40,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1339167325, now seen corresponding path program 1 times [2022-07-19 23:52:40,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:52:40,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514850560] [2022-07-19 23:52:40,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:52:40,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:52:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:52:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:52:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:52:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:52:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:52:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:52:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:52:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 23:52:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-19 23:52:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-19 23:52:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-19 23:52:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 23:52:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-19 23:52:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:52:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-19 23:52:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-19 23:52:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-19 23:52:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-19 23:52:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-19 23:52:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-19 23:52:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-19 23:52:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-19 23:52:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-19 23:52:41,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-19 23:52:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-19 23:52:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:52:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-19 23:52:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:41,347 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-19 23:52:41,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:52:41,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514850560] [2022-07-19 23:52:41,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514850560] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:52:41,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:52:41,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 23:52:41,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235856461] [2022-07-19 23:52:41,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:52:41,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 23:52:41,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:52:41,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 23:52:41,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-19 23:52:41,350 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) [2022-07-19 23:52:58,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:52:58,040 INFO L93 Difference]: Finished difference Result 42760 states and 63722 transitions. [2022-07-19 23:52:58,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-19 23:52:58,041 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 [2022-07-19 23:52:58,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:52:58,136 INFO L225 Difference]: With dead ends: 42760 [2022-07-19 23:52:58,136 INFO L226 Difference]: Without dead ends: 27086 [2022-07-19 23:52:58,181 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 [2022-07-19 23:52:58,181 INFO L413 NwaCegarLoop]: 4952 mSDtfsCounter, 8596 mSDsluCounter, 14240 mSDsCounter, 0 mSdLazyCounter, 16032 mSolverCounterSat, 5563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8992 SdHoareTripleChecker+Valid, 19192 SdHoareTripleChecker+Invalid, 21595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5563 IncrementalHoareTripleChecker+Valid, 16032 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-07-19 23:52:58,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8992 Valid, 19192 Invalid, 21595 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5563 Valid, 16032 Invalid, 0 Unknown, 0 Unchecked, 15.3s Time] [2022-07-19 23:52:58,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27086 states. [2022-07-19 23:52:59,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27086 to 15708. [2022-07-19 23:52:59,055 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) [2022-07-19 23:52:59,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15708 states to 15708 states and 22571 transitions. [2022-07-19 23:52:59,128 INFO L78 Accepts]: Start accepts. Automaton has 15708 states and 22571 transitions. Word has length 218 [2022-07-19 23:52:59,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:52:59,129 INFO L495 AbstractCegarLoop]: Abstraction has 15708 states and 22571 transitions. [2022-07-19 23:52:59,129 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) [2022-07-19 23:52:59,130 INFO L276 IsEmpty]: Start isEmpty. Operand 15708 states and 22571 transitions. [2022-07-19 23:52:59,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-07-19 23:52:59,159 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:52:59,159 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] [2022-07-19 23:52:59,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 23:52:59,160 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:52:59,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:52:59,160 INFO L85 PathProgramCache]: Analyzing trace with hash 754395675, now seen corresponding path program 1 times [2022-07-19 23:52:59,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:52:59,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658449912] [2022-07-19 23:52:59,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:52:59,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:52:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:52:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:52:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:52:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:52:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:52:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:52:59,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:52:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 23:52:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-19 23:52:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-19 23:52:59,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-19 23:52:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 23:52:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-19 23:52:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:52:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-19 23:52:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-19 23:52:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-19 23:52:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-19 23:52:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-19 23:52:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-19 23:52:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-19 23:52:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-19 23:52:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-19 23:52:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-19 23:52:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-19 23:52:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:52:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-19 23:52:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:52:59,693 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-19 23:52:59,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:52:59,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658449912] [2022-07-19 23:52:59,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658449912] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:52:59,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:52:59,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 23:52:59,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957331582] [2022-07-19 23:52:59,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:52:59,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 23:52:59,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:52:59,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 23:52:59,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-19 23:52:59,696 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) [2022-07-19 23:53:22,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:53:22,786 INFO L93 Difference]: Finished difference Result 49140 states and 72757 transitions. [2022-07-19 23:53:22,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-19 23:53:22,787 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 [2022-07-19 23:53:22,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:53:22,909 INFO L225 Difference]: With dead ends: 49140 [2022-07-19 23:53:22,909 INFO L226 Difference]: Without dead ends: 33462 [2022-07-19 23:53:22,948 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 [2022-07-19 23:53:22,948 INFO L413 NwaCegarLoop]: 8083 mSDtfsCounter, 13265 mSDsluCounter, 17922 mSDsCounter, 0 mSdLazyCounter, 21689 mSolverCounterSat, 11328 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13832 SdHoareTripleChecker+Valid, 26005 SdHoareTripleChecker+Invalid, 33017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11328 IncrementalHoareTripleChecker+Valid, 21689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:53:22,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13832 Valid, 26005 Invalid, 33017 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11328 Valid, 21689 Invalid, 0 Unknown, 0 Unchecked, 21.1s Time] [2022-07-19 23:53:22,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33462 states. [2022-07-19 23:53:23,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33462 to 15706. [2022-07-19 23:53:23,958 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) [2022-07-19 23:53:24,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15706 states to 15706 states and 22568 transitions. [2022-07-19 23:53:24,009 INFO L78 Accepts]: Start accepts. Automaton has 15706 states and 22568 transitions. Word has length 218 [2022-07-19 23:53:24,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:53:24,010 INFO L495 AbstractCegarLoop]: Abstraction has 15706 states and 22568 transitions. [2022-07-19 23:53:24,010 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) [2022-07-19 23:53:24,010 INFO L276 IsEmpty]: Start isEmpty. Operand 15706 states and 22568 transitions. [2022-07-19 23:53:24,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2022-07-19 23:53:24,066 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:53:24,066 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] [2022-07-19 23:53:24,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 23:53:24,067 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:53:24,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:53:24,071 INFO L85 PathProgramCache]: Analyzing trace with hash -899968575, now seen corresponding path program 1 times [2022-07-19 23:53:24,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:53:24,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611322911] [2022-07-19 23:53:24,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:53:24,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:53:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:53:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:53:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:53:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:53:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:53:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:53:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:53:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 23:53:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-19 23:53:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-19 23:53:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-19 23:53:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-19 23:53:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-19 23:53:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-19 23:53:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:53:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-19 23:53:24,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-19 23:53:24,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-19 23:53:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-19 23:53:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-19 23:53:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-19 23:53:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:53:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-19 23:53:24,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-19 23:53:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-19 23:53:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-19 23:53:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-19 23:53:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-19 23:53:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:53:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:53:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:53:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-19 23:53:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-19 23:53:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-19 23:53:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-19 23:53:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-19 23:53:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-19 23:53:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-19 23:53:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-19 23:53:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-19 23:53:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-19 23:53:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-19 23:53:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:53:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-19 23:53:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:53:24,662 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-19 23:53:24,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:53:24,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611322911] [2022-07-19 23:53:24,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611322911] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:53:24,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:53:24,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 23:53:24,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874945386] [2022-07-19 23:53:24,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:53:24,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 23:53:24,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:53:24,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 23:53:24,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-19 23:53:24,665 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) [2022-07-19 23:53:32,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:53:32,620 INFO L93 Difference]: Finished difference Result 21970 states and 32000 transitions. [2022-07-19 23:53:32,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-19 23:53:32,621 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 [2022-07-19 23:53:32,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:53:32,622 INFO L225 Difference]: With dead ends: 21970 [2022-07-19 23:53:32,622 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 23:53:32,658 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 [2022-07-19 23:53:32,659 INFO L413 NwaCegarLoop]: 2021 mSDtfsCounter, 7728 mSDsluCounter, 3949 mSDsCounter, 0 mSdLazyCounter, 6998 mSolverCounterSat, 6584 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7941 SdHoareTripleChecker+Valid, 5970 SdHoareTripleChecker+Invalid, 13582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6584 IncrementalHoareTripleChecker+Valid, 6998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-07-19 23:53:32,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7941 Valid, 5970 Invalid, 13582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6584 Valid, 6998 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-07-19 23:53:32,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 23:53:32,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 23:53:32,660 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) [2022-07-19 23:53:32,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 23:53:32,663 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 387 [2022-07-19 23:53:32,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:53:32,664 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 23:53:32,664 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) [2022-07-19 23:53:32,664 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 23:53:32,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 23:53:32,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 23:53:32,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-19 23:53:32,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.