./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 35987657 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-?-3598765 [2022-07-21 11:21:56,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:21:56,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:21:56,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:21:56,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:21:56,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:21:56,243 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:21:56,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:21:56,247 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:21:56,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:21:56,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:21:56,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:21:56,262 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:21:56,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:21:56,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:21:56,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:21:56,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:21:56,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:21:56,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:21:56,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:21:56,277 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:21:56,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:21:56,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:21:56,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:21:56,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:21:56,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:21:56,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:21:56,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:21:56,290 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:21:56,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:21:56,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:21:56,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:21:56,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:21:56,293 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:21:56,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:21:56,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:21:56,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:21:56,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:21:56,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:21:56,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:21:56,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:21:56,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:21:56,307 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:21:56,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:21:56,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:21:56,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:21:56,338 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:21:56,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:21:56,339 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:21:56,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:21:56,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:21:56,340 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:21:56,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:21:56,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:21:56,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:21:56,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:21:56,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:21:56,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:21:56,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:21:56,343 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:21:56,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:21:56,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:21:56,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:21:56,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:21:56,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:21:56,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:21:56,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:21:56,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:21:56,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:21:56,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:21:56,345 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:21:56,345 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:21:56,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:21:56,346 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecea5961d53d2608898d65c83a7bf6d9a36712172eaf67bd828ea354982e0e3d [2022-07-21 11:21:56,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:21:56,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:21:56,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:21:56,659 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:21:56,659 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:21:56,660 INFO L432 ainManager$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 [2022-07-21 11:21:56,711 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38655e5c3/77c1cc232e974bc885571b4c4ed291ed/FLAGe9bb3c0c5 [2022-07-21 11:21:57,510 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:21:57,510 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 [2022-07-21 11:21:57,572 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38655e5c3/77c1cc232e974bc885571b4c4ed291ed/FLAGe9bb3c0c5 [2022-07-21 11:21:58,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38655e5c3/77c1cc232e974bc885571b4c4ed291ed [2022-07-21 11:21:58,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:21:58,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:21:58,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:21:58,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:21:58,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:21:58,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:21:58" (1/1) ... [2022-07-21 11:21:58,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52ea9e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:21:58, skipping insertion in model container [2022-07-21 11:21:58,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:21:58" (1/1) ... [2022-07-21 11:21:58,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:21:58,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:21:58,724 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2022-07-21 11:21:58,725 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] [2022-07-21 11:21:58,942 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] [2022-07-21 11:22:00,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:22:00,829 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:22:00,908 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2022-07-21 11:22:00,909 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] [2022-07-21 11:22:00,913 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] [2022-07-21 11:22:01,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:22:01,572 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:22:01,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:01 WrapperNode [2022-07-21 11:22:01,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:22:01,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:22:01,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:22:01,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:22:01,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:01" (1/1) ... [2022-07-21 11:22:01,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:01" (1/1) ... [2022-07-21 11:22:02,055 INFO L137 Inliner]: procedures = 437, calls = 4988, calls flagged for inlining = 192, calls inlined = 174, statements flattened = 10313 [2022-07-21 11:22:02,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:22:02,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:22:02,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:22:02,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:22:02,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:01" (1/1) ... [2022-07-21 11:22:02,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:01" (1/1) ... [2022-07-21 11:22:02,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:01" (1/1) ... [2022-07-21 11:22:02,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:01" (1/1) ... [2022-07-21 11:22:02,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:01" (1/1) ... [2022-07-21 11:22:02,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:01" (1/1) ... [2022-07-21 11:22:02,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:01" (1/1) ... [2022-07-21 11:22:02,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:22:02,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:22:02,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:22:02,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:22:02,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:01" (1/1) ... [2022-07-21 11:22:02,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:22:02,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:22:02,660 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) [2022-07-21 11:22:02,687 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 [2022-07-21 11:22:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2022-07-21 11:22:02,699 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2022-07-21 11:22:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 11:22:02,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 11:22:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-21 11:22:02,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-21 11:22:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 11:22:02,700 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 11:22:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2022-07-21 11:22:02,700 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2022-07-21 11:22:02,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-21 11:22:02,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-21 11:22:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2022-07-21 11:22:02,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2022-07-21 11:22:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:22:02,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:22:02,701 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 11:22:02,702 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 11:22:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 11:22:02,702 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 11:22:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 11:22:02,702 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 11:22:02,702 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-21 11:22:02,702 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-21 11:22:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-21 11:22:02,703 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-21 11:22:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-21 11:22:02,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-21 11:22:02,703 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 11:22:02,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 11:22:02,704 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-21 11:22:02,704 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-21 11:22:02,704 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 11:22:02,704 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 11:22:02,704 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-21 11:22:02,705 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-21 11:22:02,705 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 11:22:02,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 11:22:02,705 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2022-07-21 11:22:02,705 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2022-07-21 11:22:02,705 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 11:22:02,706 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 11:22:02,706 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-21 11:22:02,706 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-21 11:22:02,706 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 11:22:02,706 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 11:22:02,707 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 11:22:02,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 11:22:02,707 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 11:22:02,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 11:22:02,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:22:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2022-07-21 11:22:02,708 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2022-07-21 11:22:02,709 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-07-21 11:22:02,709 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-07-21 11:22:02,709 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2022-07-21 11:22:02,709 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2022-07-21 11:22:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 11:22:02,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 11:22:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 11:22:02,710 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 11:22:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2022-07-21 11:22:02,711 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2022-07-21 11:22:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2022-07-21 11:22:02,711 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2022-07-21 11:22:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 11:22:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2022-07-21 11:22:02,711 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2022-07-21 11:22:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 11:22:02,712 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 11:22:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 11:22:02,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 11:22:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 11:22:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-21 11:22:02,713 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-21 11:22:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 11:22:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2022-07-21 11:22:02,713 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2022-07-21 11:22:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 11:22:02,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 11:22:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:22:02,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:22:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-21 11:22:02,714 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-21 11:22:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 11:22:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 11:22:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-21 11:22:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-21 11:22:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-21 11:22:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-21 11:22:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2022-07-21 11:22:02,716 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2022-07-21 11:22:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 11:22:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 11:22:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2022-07-21 11:22:02,717 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2022-07-21 11:22:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:22:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-21 11:22:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-21 11:22:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure private_ioctl [2022-07-21 11:22:02,718 INFO L138 BoogieDeclarations]: Found implementation of procedure private_ioctl [2022-07-21 11:22:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:22:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 11:22:02,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 11:22:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:22:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2022-07-21 11:22:02,719 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2022-07-21 11:22:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-21 11:22:02,720 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-21 11:22:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2022-07-21 11:22:02,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2022-07-21 11:22:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-21 11:22:02,721 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-21 11:22:02,721 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 11:22:02,722 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 11:22:02,723 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 11:22:02,724 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 11:22:02,724 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 11:22:02,724 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 11:22:02,725 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-21 11:22:02,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-21 11:22:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 11:22:02,726 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 11:22:02,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:22:02,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:22:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:22:02,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:22:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:22:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:22:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 11:22:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 11:22:02,732 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-21 11:22:02,732 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-21 11:22:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 11:22:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 11:22:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2022-07-21 11:22:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2022-07-21 11:22:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 11:22:02,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 11:22:02,733 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2022-07-21 11:22:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2022-07-21 11:22:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 11:22:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 11:22:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2022-07-21 11:22:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2022-07-21 11:22:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:22:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:22:02,734 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2022-07-21 11:22:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2022-07-21 11:22:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-07-21 11:22:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-07-21 11:22:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-21 11:22:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-21 11:22:02,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 11:22:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 11:22:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-21 11:22:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-21 11:22:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:22:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:22:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 11:22:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 11:22:02,736 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-07-21 11:22:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-07-21 11:22:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-21 11:22:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-21 11:22:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_get_stats [2022-07-21 11:22:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_get_stats [2022-07-21 11:22:02,737 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 11:22:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 11:22:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:22:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2022-07-21 11:22:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2022-07-21 11:22:02,738 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 11:22:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 11:22:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:22:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-21 11:22:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-21 11:22:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-21 11:22:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-21 11:22:02,739 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-21 11:22:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-21 11:22:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-21 11:22:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-21 11:22:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:22:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2022-07-21 11:22:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2022-07-21 11:22:02,740 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2022-07-21 11:22:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2022-07-21 11:22:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2022-07-21 11:22:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2022-07-21 11:22:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 11:22:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 11:22:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2022-07-21 11:22:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2022-07-21 11:22:02,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:22:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:22:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-21 11:22:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-21 11:22:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2022-07-21 11:22:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2022-07-21 11:22:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___0 [2022-07-21 11:22:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___0 [2022-07-21 11:22:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 11:22:02,743 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 11:22:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-21 11:22:02,743 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-21 11:22:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 11:22:02,743 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 11:22:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:22:02,743 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:22:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 11:22:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2022-07-21 11:22:02,744 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2022-07-21 11:22:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2022-07-21 11:22:02,744 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2022-07-21 11:22:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 11:22:02,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 11:22:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2022-07-21 11:22:02,745 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2022-07-21 11:22:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2022-07-21 11:22:02,745 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2022-07-21 11:22:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 11:22:02,745 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 11:22:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-21 11:22:02,745 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-21 11:22:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-21 11:22:02,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-21 11:22:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-21 11:22:02,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-21 11:22:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-21 11:22:02,746 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-21 11:22:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-21 11:22:02,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-21 11:22:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-21 11:22:02,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-21 11:22:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2022-07-21 11:22:02,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2022-07-21 11:22:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-21 11:22:02,747 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-21 11:22:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2022-07-21 11:22:02,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2022-07-21 11:22:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2022-07-21 11:22:02,751 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2022-07-21 11:22:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 11:22:02,751 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 11:22:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 11:22:03,764 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:22:03,767 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:22:04,375 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:22:10,814 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:22:10,838 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:22:10,839 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-21 11:22:10,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:22:10 BoogieIcfgContainer [2022-07-21 11:22:10,843 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:22:10,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:22:10,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:22:10,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:22:10,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:21:58" (1/3) ... [2022-07-21 11:22:10,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fb24810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:22:10, skipping insertion in model container [2022-07-21 11:22:10,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:22:01" (2/3) ... [2022-07-21 11:22:10,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fb24810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:22:10, skipping insertion in model container [2022-07-21 11:22:10,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:22:10" (3/3) ... [2022-07-21 11:22:10,849 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 [2022-07-21 11:22:10,861 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:22:10,861 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:22:10,957 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:22:10,963 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@24087cb3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5521815c [2022-07-21 11:22:10,963 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:22:10,976 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) [2022-07-21 11:22:11,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-07-21 11:22:11,003 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:22:11,003 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] [2022-07-21 11:22:11,004 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:22:11,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:22:11,008 INFO L85 PathProgramCache]: Analyzing trace with hash 424466121, now seen corresponding path program 1 times [2022-07-21 11:22:11,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:22:11,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801273338] [2022-07-21 11:22:11,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:22:11,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:22:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:11,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:22:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:11,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:22:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:11,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:22:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:11,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:22:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:11,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:22:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:11,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 11:22:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:11,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-21 11:22:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:11,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 11:22:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:11,913 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-07-21 11:22:11,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:22:11,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801273338] [2022-07-21 11:22:11,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801273338] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:22:11,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:22:11,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:22:11,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939030329] [2022-07-21 11:22:11,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:22:11,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:22:11,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:22:11,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:22:11,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:22:11,963 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) [2022-07-21 11:22:24,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:22:24,195 INFO L93 Difference]: Finished difference Result 9992 states and 15605 transitions. [2022-07-21 11:22:24,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:22:24,199 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 [2022-07-21 11:22:24,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:22:24,257 INFO L225 Difference]: With dead ends: 9992 [2022-07-21 11:22:24,257 INFO L226 Difference]: Without dead ends: 6609 [2022-07-21 11:22:24,284 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 [2022-07-21 11:22:24,286 INFO L413 NwaCegarLoop]: 5065 mSDtfsCounter, 7018 mSDsluCounter, 7241 mSDsCounter, 0 mSdLazyCounter, 6007 mSolverCounterSat, 4264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s 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, 11.6s IncrementalHoareTripleChecker+Time [2022-07-21 11:22:24,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7538 Valid, 12306 Invalid, 10271 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4264 Valid, 6007 Invalid, 0 Unknown, 0 Unchecked, 11.6s Time] [2022-07-21 11:22:24,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6609 states. [2022-07-21 11:22:24,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6609 to 6043. [2022-07-21 11:22:24,692 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) [2022-07-21 11:22:24,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6043 states to 6043 states and 8926 transitions. [2022-07-21 11:22:24,743 INFO L78 Accepts]: Start accepts. Automaton has 6043 states and 8926 transitions. Word has length 71 [2022-07-21 11:22:24,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:22:24,744 INFO L495 AbstractCegarLoop]: Abstraction has 6043 states and 8926 transitions. [2022-07-21 11:22:24,745 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) [2022-07-21 11:22:24,745 INFO L276 IsEmpty]: Start isEmpty. Operand 6043 states and 8926 transitions. [2022-07-21 11:22:24,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-21 11:22:24,758 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:22:24,758 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] [2022-07-21 11:22:24,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 11:22:24,759 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:22:24,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:22:24,760 INFO L85 PathProgramCache]: Analyzing trace with hash -953532552, now seen corresponding path program 1 times [2022-07-21 11:22:24,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:22:24,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962205478] [2022-07-21 11:22:24,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:22:24,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:22:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:25,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:22:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:25,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:22:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:25,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:22:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:25,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:22:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:25,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:22:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:25,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 11:22:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:25,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-21 11:22:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:25,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 11:22:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:25,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:22:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:25,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 11:22:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:25,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 11:22:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:25,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:22:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:25,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:22:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:25,256 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-21 11:22:25,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:22:25,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962205478] [2022-07-21 11:22:25,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962205478] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:22:25,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:22:25,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 11:22:25,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665009279] [2022-07-21 11:22:25,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:22:25,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:22:25,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:22:25,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:22:25,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:22:25,260 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) [2022-07-21 11:22:36,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:22:36,224 INFO L93 Difference]: Finished difference Result 12672 states and 18840 transitions. [2022-07-21 11:22:36,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 11:22:36,225 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 [2022-07-21 11:22:36,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:22:36,359 INFO L225 Difference]: With dead ends: 12672 [2022-07-21 11:22:36,359 INFO L226 Difference]: Without dead ends: 6640 [2022-07-21 11:22:36,387 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 [2022-07-21 11:22:36,389 INFO L413 NwaCegarLoop]: 4540 mSDtfsCounter, 7221 mSDsluCounter, 9642 mSDsCounter, 0 mSdLazyCounter, 7594 mSolverCounterSat, 3892 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s 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, 10.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:22:36,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7745 Valid, 14182 Invalid, 11486 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3892 Valid, 7594 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2022-07-21 11:22:36,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6640 states. [2022-07-21 11:22:36,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6640 to 6058. [2022-07-21 11:22:36,676 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) [2022-07-21 11:22:36,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6058 states to 6058 states and 8937 transitions. [2022-07-21 11:22:36,704 INFO L78 Accepts]: Start accepts. Automaton has 6058 states and 8937 transitions. Word has length 113 [2022-07-21 11:22:36,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:22:36,706 INFO L495 AbstractCegarLoop]: Abstraction has 6058 states and 8937 transitions. [2022-07-21 11:22:36,707 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) [2022-07-21 11:22:36,707 INFO L276 IsEmpty]: Start isEmpty. Operand 6058 states and 8937 transitions. [2022-07-21 11:22:36,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-07-21 11:22:36,715 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:22:36,715 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] [2022-07-21 11:22:36,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 11:22:36,716 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:22:36,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:22:36,716 INFO L85 PathProgramCache]: Analyzing trace with hash 75826746, now seen corresponding path program 1 times [2022-07-21 11:22:36,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:22:36,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483412487] [2022-07-21 11:22:36,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:22:36,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:22:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:37,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:22:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:37,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:22:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:37,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:22:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:37,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:22:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:37,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:22:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:37,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 11:22:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:37,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-21 11:22:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:37,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-21 11:22:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:37,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:22:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:37,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-21 11:22:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:37,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 11:22:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:37,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:22:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:37,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-21 11:22:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:37,216 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-21 11:22:37,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:22:37,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483412487] [2022-07-21 11:22:37,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483412487] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:22:37,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:22:37,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:22:37,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558900066] [2022-07-21 11:22:37,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:22:37,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:22:37,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:22:37,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:22:37,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:22:37,220 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) [2022-07-21 11:22:45,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:22:45,039 INFO L93 Difference]: Finished difference Result 12339 states and 18337 transitions. [2022-07-21 11:22:45,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:22:45,040 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 [2022-07-21 11:22:45,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:22:45,082 INFO L225 Difference]: With dead ends: 12339 [2022-07-21 11:22:45,082 INFO L226 Difference]: Without dead ends: 6311 [2022-07-21 11:22:45,119 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 [2022-07-21 11:22:45,121 INFO L413 NwaCegarLoop]: 4159 mSDtfsCounter, 5847 mSDsluCounter, 4552 mSDsCounter, 0 mSdLazyCounter, 4742 mSolverCounterSat, 2701 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s 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, 7.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:22:45,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6309 Valid, 8711 Invalid, 7443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2701 Valid, 4742 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-07-21 11:22:45,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6311 states. [2022-07-21 11:22:45,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6311 to 5783. [2022-07-21 11:22:45,418 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) [2022-07-21 11:22:45,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5783 states to 5783 states and 8390 transitions. [2022-07-21 11:22:45,442 INFO L78 Accepts]: Start accepts. Automaton has 5783 states and 8390 transitions. Word has length 113 [2022-07-21 11:22:45,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:22:45,444 INFO L495 AbstractCegarLoop]: Abstraction has 5783 states and 8390 transitions. [2022-07-21 11:22:45,444 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) [2022-07-21 11:22:45,444 INFO L276 IsEmpty]: Start isEmpty. Operand 5783 states and 8390 transitions. [2022-07-21 11:22:45,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-21 11:22:45,454 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:22:45,454 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] [2022-07-21 11:22:45,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 11:22:45,454 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:22:45,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:22:45,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1870934641, now seen corresponding path program 1 times [2022-07-21 11:22:45,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:22:45,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796393239] [2022-07-21 11:22:45,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:22:45,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:22:45,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:45,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:22:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:45,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:22:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:45,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:22:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:45,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:22:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:45,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:22:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:45,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 11:22:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:45,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:22:45,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:45,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-21 11:22:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:45,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-21 11:22:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:45,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:22:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:45,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-21 11:22:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:45,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 11:22:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:45,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 11:22:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:45,870 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-07-21 11:22:45,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:22:45,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796393239] [2022-07-21 11:22:45,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796393239] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:22:45,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:22:45,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:22:45,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088558201] [2022-07-21 11:22:45,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:22:45,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:22:45,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:22:45,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:22:45,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:22:45,873 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) [2022-07-21 11:22:52,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:22:52,783 INFO L93 Difference]: Finished difference Result 7078 states and 10249 transitions. [2022-07-21 11:22:52,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-21 11:22:52,784 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 [2022-07-21 11:22:52,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:22:52,825 INFO L225 Difference]: With dead ends: 7078 [2022-07-21 11:22:52,825 INFO L226 Difference]: Without dead ends: 7075 [2022-07-21 11:22:52,830 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 [2022-07-21 11:22:52,831 INFO L413 NwaCegarLoop]: 4493 mSDtfsCounter, 6909 mSDsluCounter, 3845 mSDsCounter, 0 mSdLazyCounter, 3948 mSolverCounterSat, 3826 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7328 SdHoareTripleChecker+Valid, 8338 SdHoareTripleChecker+Invalid, 7774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3826 IncrementalHoareTripleChecker+Valid, 3948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-07-21 11:22:52,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7328 Valid, 8338 Invalid, 7774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3826 Valid, 3948 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-07-21 11:22:52,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7075 states. [2022-07-21 11:22:53,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7075 to 6413. [2022-07-21 11:22:53,133 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) [2022-07-21 11:22:53,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6413 states to 6413 states and 9219 transitions. [2022-07-21 11:22:53,156 INFO L78 Accepts]: Start accepts. Automaton has 6413 states and 9219 transitions. Word has length 108 [2022-07-21 11:22:53,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:22:53,157 INFO L495 AbstractCegarLoop]: Abstraction has 6413 states and 9219 transitions. [2022-07-21 11:22:53,157 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) [2022-07-21 11:22:53,157 INFO L276 IsEmpty]: Start isEmpty. Operand 6413 states and 9219 transitions. [2022-07-21 11:22:53,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-21 11:22:53,168 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:22:53,168 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] [2022-07-21 11:22:53,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 11:22:53,169 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:22:53,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:22:53,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1148926766, now seen corresponding path program 1 times [2022-07-21 11:22:53,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:22:53,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146502364] [2022-07-21 11:22:53,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:22:53,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:22:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:22:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:22:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:22:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:22:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:22:53,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 11:22:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 11:22:53,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:22:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-21 11:22:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:22:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-21 11:22:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 11:22:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:22:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:22:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 11:22:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:22:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-21 11:22:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-21 11:22:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-21 11:22:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-21 11:22:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 11:22:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:22:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 11:22:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:22:53,587 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-07-21 11:22:53,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:22:53,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146502364] [2022-07-21 11:22:53,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146502364] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:22:53,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:22:53,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 11:22:53,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866561507] [2022-07-21 11:22:53,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:22:53,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:22:53,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:22:53,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:22:53,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:22:53,590 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) [2022-07-21 11:23:14,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:23:14,450 INFO L93 Difference]: Finished difference Result 23358 states and 34567 transitions. [2022-07-21 11:23:14,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-21 11:23:14,454 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 [2022-07-21 11:23:14,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:23:14,547 INFO L225 Difference]: With dead ends: 23358 [2022-07-21 11:23:14,547 INFO L226 Difference]: Without dead ends: 16975 [2022-07-21 11:23:14,581 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 [2022-07-21 11:23:14,583 INFO L413 NwaCegarLoop]: 5047 mSDtfsCounter, 14739 mSDsluCounter, 10058 mSDsCounter, 0 mSdLazyCounter, 16688 mSolverCounterSat, 10364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15241 SdHoareTripleChecker+Valid, 15105 SdHoareTripleChecker+Invalid, 27052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10364 IncrementalHoareTripleChecker+Valid, 16688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-07-21 11:23:14,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15241 Valid, 15105 Invalid, 27052 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10364 Valid, 16688 Invalid, 0 Unknown, 0 Unchecked, 19.9s Time] [2022-07-21 11:23:14,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16975 states. [2022-07-21 11:23:15,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16975 to 11111. [2022-07-21 11:23:15,347 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) [2022-07-21 11:23:15,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11111 states to 11111 states and 15988 transitions. [2022-07-21 11:23:15,396 INFO L78 Accepts]: Start accepts. Automaton has 11111 states and 15988 transitions. Word has length 156 [2022-07-21 11:23:15,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:23:15,399 INFO L495 AbstractCegarLoop]: Abstraction has 11111 states and 15988 transitions. [2022-07-21 11:23:15,399 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) [2022-07-21 11:23:15,399 INFO L276 IsEmpty]: Start isEmpty. Operand 11111 states and 15988 transitions. [2022-07-21 11:23:15,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-07-21 11:23:15,422 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:23:15,423 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] [2022-07-21 11:23:15,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 11:23:15,423 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:23:15,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:23:15,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1303670089, now seen corresponding path program 1 times [2022-07-21 11:23:15,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:23:15,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228051415] [2022-07-21 11:23:15,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:23:15,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:23:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:23:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:23:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:23:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:23:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:23:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 11:23:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-21 11:23:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:23:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:23:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:23:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 11:23:15,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 11:23:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:23:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-21 11:23:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-21 11:23:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-21 11:23:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-21 11:23:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:23:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 11:23:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 11:23:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 11:23:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-21 11:23:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:23:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 11:23:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:23:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 11:23:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:15,901 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-07-21 11:23:15,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:23:15,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228051415] [2022-07-21 11:23:15,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228051415] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:23:15,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:23:15,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 11:23:15,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153394858] [2022-07-21 11:23:15,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:23:15,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 11:23:15,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:23:15,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 11:23:15,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:23:15,905 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) [2022-07-21 11:23:33,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:23:33,378 INFO L93 Difference]: Finished difference Result 35512 states and 52493 transitions. [2022-07-21 11:23:33,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-21 11:23:33,378 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 [2022-07-21 11:23:33,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:23:33,513 INFO L225 Difference]: With dead ends: 35512 [2022-07-21 11:23:33,513 INFO L226 Difference]: Without dead ends: 24431 [2022-07-21 11:23:33,566 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 [2022-07-21 11:23:33,567 INFO L413 NwaCegarLoop]: 6518 mSDtfsCounter, 14112 mSDsluCounter, 9742 mSDsCounter, 0 mSdLazyCounter, 14014 mSolverCounterSat, 11563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s 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, 16.4s IncrementalHoareTripleChecker+Time [2022-07-21 11:23:33,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14692 Valid, 16260 Invalid, 25577 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11563 Valid, 14014 Invalid, 0 Unknown, 0 Unchecked, 16.4s Time] [2022-07-21 11:23:33,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24431 states. [2022-07-21 11:23:34,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24431 to 15700. [2022-07-21 11:23:34,659 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) [2022-07-21 11:23:34,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15700 states to 15700 states and 22563 transitions. [2022-07-21 11:23:34,725 INFO L78 Accepts]: Start accepts. Automaton has 15700 states and 22563 transitions. Word has length 193 [2022-07-21 11:23:34,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:23:34,726 INFO L495 AbstractCegarLoop]: Abstraction has 15700 states and 22563 transitions. [2022-07-21 11:23:34,726 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) [2022-07-21 11:23:34,726 INFO L276 IsEmpty]: Start isEmpty. Operand 15700 states and 22563 transitions. [2022-07-21 11:23:34,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-07-21 11:23:34,758 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:23:34,759 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] [2022-07-21 11:23:34,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 11:23:34,759 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:23:34,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:23:34,760 INFO L85 PathProgramCache]: Analyzing trace with hash -763262659, now seen corresponding path program 1 times [2022-07-21 11:23:34,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:23:34,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054377865] [2022-07-21 11:23:34,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:23:34,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:23:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:23:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:23:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:23:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:23:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:23:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 11:23:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-21 11:23:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:23:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:23:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-21 11:23:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-21 11:23:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 11:23:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:23:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 11:23:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-07-21 11:23:35,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 11:23:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-21 11:23:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 11:23:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-21 11:23:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-21 11:23:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 11:23:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-21 11:23:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 11:23:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 11:23:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:23:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-21 11:23:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:35,184 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-21 11:23:35,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:23:35,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054377865] [2022-07-21 11:23:35,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054377865] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:23:35,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:23:35,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 11:23:35,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879236766] [2022-07-21 11:23:35,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:23:35,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 11:23:35,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:23:35,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 11:23:35,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:23:35,187 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) [2022-07-21 11:23:58,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:23:58,119 INFO L93 Difference]: Finished difference Result 48723 states and 71990 transitions. [2022-07-21 11:23:58,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-21 11:23:58,119 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 [2022-07-21 11:23:58,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:23:58,283 INFO L225 Difference]: With dead ends: 48723 [2022-07-21 11:23:58,283 INFO L226 Difference]: Without dead ends: 33053 [2022-07-21 11:23:58,348 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 [2022-07-21 11:23:58,349 INFO L413 NwaCegarLoop]: 7850 mSDtfsCounter, 12150 mSDsluCounter, 17340 mSDsCounter, 0 mSdLazyCounter, 22239 mSolverCounterSat, 9900 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12609 SdHoareTripleChecker+Valid, 25190 SdHoareTripleChecker+Invalid, 32139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9900 IncrementalHoareTripleChecker+Valid, 22239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:23:58,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12609 Valid, 25190 Invalid, 32139 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9900 Valid, 22239 Invalid, 0 Unknown, 0 Unchecked, 21.2s Time] [2022-07-21 11:23:58,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33053 states. [2022-07-21 11:23:59,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33053 to 15704. [2022-07-21 11:23:59,562 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) [2022-07-21 11:23:59,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15704 states to 15704 states and 22567 transitions. [2022-07-21 11:23:59,630 INFO L78 Accepts]: Start accepts. Automaton has 15704 states and 22567 transitions. Word has length 201 [2022-07-21 11:23:59,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:23:59,630 INFO L495 AbstractCegarLoop]: Abstraction has 15704 states and 22567 transitions. [2022-07-21 11:23:59,631 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) [2022-07-21 11:23:59,631 INFO L276 IsEmpty]: Start isEmpty. Operand 15704 states and 22567 transitions. [2022-07-21 11:23:59,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-07-21 11:23:59,661 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:23:59,661 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] [2022-07-21 11:23:59,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 11:23:59,662 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:23:59,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:23:59,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1339167325, now seen corresponding path program 1 times [2022-07-21 11:23:59,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:23:59,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473852491] [2022-07-21 11:23:59,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:23:59,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:23:59,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:59,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:23:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:59,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:23:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:59,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:23:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:59,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:23:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:59,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:23:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:59,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 11:23:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:59,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-21 11:23:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:59,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:23:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:59,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:23:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:59,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 11:23:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:59,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 11:23:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:59,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 11:23:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:59,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-21 11:23:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:23:59,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:23:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:00,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-21 11:24:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:00,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 11:24:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:00,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 11:24:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:00,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-21 11:24:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:00,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 11:24:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:00,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 11:24:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:00,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 11:24:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:00,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 11:24:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:00,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:24:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:00,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-21 11:24:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:00,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 11:24:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:00,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:24:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:00,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:24:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:00,083 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-21 11:24:00,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:24:00,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473852491] [2022-07-21 11:24:00,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473852491] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:24:00,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:24:00,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 11:24:00,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741006874] [2022-07-21 11:24:00,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:24:00,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 11:24:00,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:24:00,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 11:24:00,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:24:00,086 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) [2022-07-21 11:24:16,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:24:16,510 INFO L93 Difference]: Finished difference Result 42760 states and 63722 transitions. [2022-07-21 11:24:16,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 11:24:16,511 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 [2022-07-21 11:24:16,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:24:16,626 INFO L225 Difference]: With dead ends: 42760 [2022-07-21 11:24:16,626 INFO L226 Difference]: Without dead ends: 27086 [2022-07-21 11:24:16,676 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 [2022-07-21 11:24:16,677 INFO L413 NwaCegarLoop]: 4952 mSDtfsCounter, 8596 mSDsluCounter, 14240 mSDsCounter, 0 mSdLazyCounter, 16032 mSolverCounterSat, 5563 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s 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, 15.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:24:16,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8992 Valid, 19192 Invalid, 21595 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5563 Valid, 16032 Invalid, 0 Unknown, 0 Unchecked, 15.0s Time] [2022-07-21 11:24:16,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27086 states. [2022-07-21 11:24:17,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27086 to 15708. [2022-07-21 11:24:17,544 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) [2022-07-21 11:24:17,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15708 states to 15708 states and 22571 transitions. [2022-07-21 11:24:17,614 INFO L78 Accepts]: Start accepts. Automaton has 15708 states and 22571 transitions. Word has length 218 [2022-07-21 11:24:17,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:24:17,614 INFO L495 AbstractCegarLoop]: Abstraction has 15708 states and 22571 transitions. [2022-07-21 11:24:17,615 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) [2022-07-21 11:24:17,615 INFO L276 IsEmpty]: Start isEmpty. Operand 15708 states and 22571 transitions. [2022-07-21 11:24:17,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-07-21 11:24:17,643 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:24:17,643 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] [2022-07-21 11:24:17,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 11:24:17,644 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:24:17,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:24:17,644 INFO L85 PathProgramCache]: Analyzing trace with hash 754395675, now seen corresponding path program 1 times [2022-07-21 11:24:17,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:24:17,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235264220] [2022-07-21 11:24:17,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:24:17,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:24:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:24:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:24:18,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:24:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:24:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:24:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 11:24:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-21 11:24:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:24:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:24:18,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 11:24:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-21 11:24:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 11:24:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-21 11:24:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:24:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-21 11:24:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-21 11:24:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 11:24:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-21 11:24:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-21 11:24:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-21 11:24:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-21 11:24:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-21 11:24:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 11:24:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-21 11:24:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-21 11:24:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:24:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-21 11:24:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-07-21 11:24:18,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:24:18,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235264220] [2022-07-21 11:24:18,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235264220] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:24:18,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:24:18,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 11:24:18,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143418423] [2022-07-21 11:24:18,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:24:18,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 11:24:18,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:24:18,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 11:24:18,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:24:18,274 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) [2022-07-21 11:24:41,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:24:41,728 INFO L93 Difference]: Finished difference Result 49140 states and 72757 transitions. [2022-07-21 11:24:41,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-21 11:24:41,729 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 [2022-07-21 11:24:41,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:24:41,964 INFO L225 Difference]: With dead ends: 49140 [2022-07-21 11:24:41,965 INFO L226 Difference]: Without dead ends: 33462 [2022-07-21 11:24:42,013 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 [2022-07-21 11:24:42,014 INFO L413 NwaCegarLoop]: 8083 mSDtfsCounter, 13265 mSDsluCounter, 17922 mSDsCounter, 0 mSdLazyCounter, 21689 mSolverCounterSat, 11328 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13840 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, 21.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:24:42,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13840 Valid, 26005 Invalid, 33017 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11328 Valid, 21689 Invalid, 0 Unknown, 0 Unchecked, 21.3s Time] [2022-07-21 11:24:42,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33462 states. [2022-07-21 11:24:42,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33462 to 15706. [2022-07-21 11:24:42,928 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) [2022-07-21 11:24:42,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15706 states to 15706 states and 22568 transitions. [2022-07-21 11:24:42,984 INFO L78 Accepts]: Start accepts. Automaton has 15706 states and 22568 transitions. Word has length 218 [2022-07-21 11:24:42,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:24:42,984 INFO L495 AbstractCegarLoop]: Abstraction has 15706 states and 22568 transitions. [2022-07-21 11:24:42,985 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) [2022-07-21 11:24:42,985 INFO L276 IsEmpty]: Start isEmpty. Operand 15706 states and 22568 transitions. [2022-07-21 11:24:43,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2022-07-21 11:24:43,047 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:24:43,048 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] [2022-07-21 11:24:43,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 11:24:43,048 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:24:43,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:24:43,049 INFO L85 PathProgramCache]: Analyzing trace with hash -899968575, now seen corresponding path program 1 times [2022-07-21 11:24:43,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:24:43,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50085267] [2022-07-21 11:24:43,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:24:43,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:24:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:24:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:24:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:24:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 11:24:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:24:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 11:24:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-21 11:24:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 11:24:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 11:24:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-21 11:24:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-21 11:24:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 11:24:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-21 11:24:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-21 11:24:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:24:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-21 11:24:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 11:24:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-21 11:24:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-21 11:24:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-21 11:24:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 11:24:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:24:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-21 11:24:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-21 11:24:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 11:24:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:24:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 11:24:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 11:24:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:24:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:24:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 11:24:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-21 11:24:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-21 11:24:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-21 11:24:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:24:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-21 11:24:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 11:24:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-21 11:24:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-21 11:24:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-21 11:24:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-21 11:24:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-21 11:24:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:24:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-21 11:24:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:24:43,754 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-21 11:24:43,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:24:43,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50085267] [2022-07-21 11:24:43,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50085267] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:24:43,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:24:43,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 11:24:43,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389497306] [2022-07-21 11:24:43,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:24:43,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 11:24:43,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:24:43,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 11:24:43,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:24:43,758 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) [2022-07-21 11:24:51,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:24:51,706 INFO L93 Difference]: Finished difference Result 21970 states and 32000 transitions. [2022-07-21 11:24:51,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-21 11:24:51,707 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 [2022-07-21 11:24:51,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:24:51,710 INFO L225 Difference]: With dead ends: 21970 [2022-07-21 11:24:51,710 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 11:24:51,762 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 [2022-07-21 11:24:51,763 INFO L413 NwaCegarLoop]: 2020 mSDtfsCounter, 7728 mSDsluCounter, 3949 mSDsCounter, 0 mSdLazyCounter, 6993 mSolverCounterSat, 6587 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7941 SdHoareTripleChecker+Valid, 5969 SdHoareTripleChecker+Invalid, 13580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6587 IncrementalHoareTripleChecker+Valid, 6993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-07-21 11:24:51,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7941 Valid, 5969 Invalid, 13580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6587 Valid, 6993 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-07-21 11:24:51,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 11:24:51,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 11:24:51,764 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) [2022-07-21 11:24:51,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 11:24:51,768 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 387 [2022-07-21 11:24:51,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:24:51,769 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 11:24:51,769 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) [2022-07-21 11:24:51,769 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 11:24:51,769 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 11:24:51,772 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 11:24:51,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 11:24:51,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.