./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.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 a4081061f41c6e64548335d73988449c6ad951b3e3b096581982a43a396014f3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 14:33:43,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:33:43,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:33:43,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:33:43,289 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:33:43,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:33:43,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:33:43,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:33:43,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:33:43,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:33:43,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:33:43,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:33:43,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:33:43,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:33:43,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:33:43,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:33:43,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:33:43,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:33:43,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:33:43,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:33:43,317 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:33:43,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:33:43,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:33:43,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:33:43,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:33:43,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:33:43,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:33:43,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:33:43,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:33:43,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:33:43,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:33:43,330 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:33:43,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:33:43,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:33:43,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:33:43,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:33:43,336 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:33:43,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:33:43,337 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:33:43,337 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:33:43,338 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:33:43,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:33:43,340 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:33:43,372 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:33:43,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:33:43,373 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:33:43,373 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:33:43,374 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:33:43,374 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:33:43,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:33:43,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:33:43,375 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:33:43,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:33:43,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:33:43,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:33:43,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:33:43,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:33:43,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:33:43,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:33:43,377 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:33:43,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:33:43,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:33:43,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:33:43,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:33:43,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:33:43,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:33:43,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:33:43,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:33:43,379 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:33:43,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:33:43,379 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:33:43,379 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:33:43,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:33:43,380 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4081061f41c6e64548335d73988449c6ad951b3e3b096581982a43a396014f3 [2022-07-12 14:33:43,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:33:43,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:33:43,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:33:43,651 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:33:43,652 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:33:43,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.i [2022-07-12 14:33:43,702 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a33ed755/8858b039e18a4eef9a4111699968aefb/FLAGa1c53ddba [2022-07-12 14:33:44,447 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:33:44,448 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.i [2022-07-12 14:33:44,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a33ed755/8858b039e18a4eef9a4111699968aefb/FLAGa1c53ddba [2022-07-12 14:33:44,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a33ed755/8858b039e18a4eef9a4111699968aefb [2022-07-12 14:33:44,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:33:44,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:33:44,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:33:44,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:33:44,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:33:44,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:33:44" (1/1) ... [2022-07-12 14:33:44,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10c40b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:44, skipping insertion in model container [2022-07-12 14:33:44,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:33:44" (1/1) ... [2022-07-12 14:33:44,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:33:45,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:33:47,431 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.i[412025,412038] [2022-07-12 14:33:47,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:33:47,533 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:33:48,063 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-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.i[412025,412038] [2022-07-12 14:33:48,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:33:48,272 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:33:48,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:48 WrapperNode [2022-07-12 14:33:48,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:33:48,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:33:48,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:33:48,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:33:48,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:48" (1/1) ... [2022-07-12 14:33:48,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:48" (1/1) ... [2022-07-12 14:33:48,709 INFO L137 Inliner]: procedures = 426, calls = 3809, calls flagged for inlining = 222, calls inlined = 215, statements flattened = 10536 [2022-07-12 14:33:48,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:33:48,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:33:48,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:33:48,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:33:48,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:48" (1/1) ... [2022-07-12 14:33:48,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:48" (1/1) ... [2022-07-12 14:33:48,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:48" (1/1) ... [2022-07-12 14:33:48,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:48" (1/1) ... [2022-07-12 14:33:49,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:48" (1/1) ... [2022-07-12 14:33:49,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:48" (1/1) ... [2022-07-12 14:33:49,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:48" (1/1) ... [2022-07-12 14:33:49,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:33:49,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:33:49,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:33:49,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:33:49,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:48" (1/1) ... [2022-07-12 14:33:49,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:33:49,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:33:49,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 14:33:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-12 14:33:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:33:49,204 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:33:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 14:33:49,204 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 14:33:49,204 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2022-07-12 14:33:49,204 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2022-07-12 14:33:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-12 14:33:49,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-12 14:33:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2022-07-12 14:33:49,205 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2022-07-12 14:33:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2022-07-12 14:33:49,205 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2022-07-12 14:33:49,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:33:49,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:33:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-07-12 14:33:49,206 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-07-12 14:33:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-07-12 14:33:49,206 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-07-12 14:33:49,206 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-12 14:33:49,206 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-12 14:33:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 14:33:49,207 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 14:33:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure chars_in_buffer [2022-07-12 14:33:49,207 INFO L138 BoogieDeclarations]: Found implementation of procedure chars_in_buffer [2022-07-12 14:33:49,207 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2022-07-12 14:33:49,207 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2022-07-12 14:33:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2022-07-12 14:33:49,208 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2022-07-12 14:33:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2022-07-12 14:33:49,208 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2022-07-12 14:33:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 14:33:49,208 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 14:33:49,208 INFO L130 BoogieDeclarations]: Found specification of procedure set_break [2022-07-12 14:33:49,209 INFO L138 BoogieDeclarations]: Found implementation of procedure set_break [2022-07-12 14:33:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2022-07-12 14:33:49,209 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2022-07-12 14:33:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-12 14:33:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2022-07-12 14:33:49,209 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2022-07-12 14:33:49,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 14:33:49,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 14:33:49,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 14:33:49,210 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2022-07-12 14:33:49,210 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2022-07-12 14:33:49,211 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 14:33:49,211 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 14:33:49,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:33:49,211 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2022-07-12 14:33:49,211 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2022-07-12 14:33:49,211 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2022-07-12 14:33:49,212 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2022-07-12 14:33:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-12 14:33:49,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-12 14:33:49,212 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-07-12 14:33:49,212 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-07-12 14:33:49,213 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 14:33:49,213 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 14:33:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2022-07-12 14:33:49,214 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2022-07-12 14:33:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 14:33:49,215 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 14:33:49,215 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 14:33:49,215 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 14:33:49,215 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-12 14:33:49,215 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-12 14:33:49,215 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2022-07-12 14:33:49,215 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2022-07-12 14:33:49,216 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2022-07-12 14:33:49,216 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2022-07-12 14:33:49,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 14:33:49,216 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2022-07-12 14:33:49,216 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2022-07-12 14:33:49,217 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2022-07-12 14:33:49,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2022-07-12 14:33:49,217 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 14:33:49,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 14:33:49,217 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2022-07-12 14:33:49,217 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2022-07-12 14:33:49,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 14:33:49,218 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2022-07-12 14:33:49,218 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2022-07-12 14:33:49,218 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-12 14:33:49,218 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-12 14:33:49,218 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2022-07-12 14:33:49,218 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2022-07-12 14:33:49,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 14:33:49,219 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-07-12 14:33:49,219 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-07-12 14:33:49,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 14:33:49,219 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 14:33:49,219 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2022-07-12 14:33:49,220 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2022-07-12 14:33:49,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 14:33:49,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 14:33:49,220 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2022-07-12 14:33:49,220 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2022-07-12 14:33:49,221 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2022-07-12 14:33:49,221 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2022-07-12 14:33:49,221 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 14:33:49,222 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 14:33:49,222 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-12 14:33:49,222 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-12 14:33:49,222 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2022-07-12 14:33:49,222 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2022-07-12 14:33:49,222 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2022-07-12 14:33:49,223 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2022-07-12 14:33:49,223 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2022-07-12 14:33:49,223 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2022-07-12 14:33:49,223 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2022-07-12 14:33:49,223 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2022-07-12 14:33:49,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-12 14:33:49,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-12 14:33:49,224 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2022-07-12 14:33:49,224 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2022-07-12 14:33:49,224 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-07-12 14:33:49,224 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-07-12 14:33:49,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:33:49,225 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-12 14:33:49,225 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-12 14:33:49,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:33:49,227 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2022-07-12 14:33:49,228 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2022-07-12 14:33:49,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:33:49,228 INFO L130 BoogieDeclarations]: Found specification of procedure hangup [2022-07-12 14:33:49,229 INFO L138 BoogieDeclarations]: Found implementation of procedure hangup [2022-07-12 14:33:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 14:33:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure bh_handler [2022-07-12 14:33:49,230 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_handler [2022-07-12 14:33:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-12 14:33:49,235 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-12 14:33:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2022-07-12 14:33:49,235 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2022-07-12 14:33:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure bh_transmit [2022-07-12 14:33:49,235 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_transmit [2022-07-12 14:33:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2022-07-12 14:33:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2022-07-12 14:33:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 14:33:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 14:33:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2022-07-12 14:33:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2022-07-12 14:33:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2022-07-12 14:33:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2022-07-12 14:33:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2022-07-12 14:33:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2022-07-12 14:33:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_compat_ioctl [2022-07-12 14:33:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_compat_ioctl [2022-07-12 14:33:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-12 14:33:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-12 14:33:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 14:33:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 14:33:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2022-07-12 14:33:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2022-07-12 14:33:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2022-07-12 14:33:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2022-07-12 14:33:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:33:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:33:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 14:33:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 14:33:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-07-12 14:33:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-07-12 14:33:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 14:33:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 14:33:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:33:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:33:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 14:33:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 14:33:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 14:33:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 14:33:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2022-07-12 14:33:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2022-07-12 14:33:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure flush_chars [2022-07-12 14:33:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_chars [2022-07-12 14:33:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-07-12 14:33:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-07-12 14:33:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 14:33:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 14:33:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 14:33:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 14:33:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2022-07-12 14:33:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2022-07-12 14:33:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 14:33:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 14:33:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 14:33:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 14:33:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 14:33:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 14:33:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-12 14:33:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-12 14:33:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-07-12 14:33:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-07-12 14:33:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-07-12 14:33:49,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-07-12 14:33:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-07-12 14:33:49,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-07-12 14:33:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:33:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 14:33:49,243 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 14:33:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:33:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2022-07-12 14:33:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2022-07-12 14:33:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-12 14:33:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-12 14:33:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-07-12 14:33:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-07-12 14:33:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:33:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2022-07-12 14:33:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2022-07-12 14:33:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2022-07-12 14:33:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2022-07-12 14:33:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2022-07-12 14:33:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2022-07-12 14:33:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-12 14:33:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-12 14:33:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-12 14:33:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-12 14:33:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 14:33:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 14:33:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-07-12 14:33:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-07-12 14:33:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2022-07-12 14:33:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2022-07-12 14:33:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2022-07-12 14:33:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2022-07-12 14:33:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2022-07-12 14:33:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2022-07-12 14:33:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 14:33:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 14:33:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2022-07-12 14:33:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2022-07-12 14:33:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-12 14:33:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-12 14:33:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure set_termios [2022-07-12 14:33:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure set_termios [2022-07-12 14:33:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure write_room [2022-07-12 14:33:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure write_room [2022-07-12 14:33:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2022-07-12 14:33:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2022-07-12 14:33:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-07-12 14:33:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-07-12 14:33:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 14:33:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 14:33:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure throttle [2022-07-12 14:33:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle [2022-07-12 14:33:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 14:33:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 14:33:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2022-07-12 14:33:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2022-07-12 14:33:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2022-07-12 14:33:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2022-07-12 14:33:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 14:33:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldisc_receive_buf [2022-07-12 14:33:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldisc_receive_buf [2022-07-12 14:33:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 14:33:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 14:33:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2022-07-12 14:33:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2022-07-12 14:33:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-12 14:33:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-12 14:33:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-12 14:33:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-12 14:33:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-07-12 14:33:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-07-12 14:33:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2022-07-12 14:33:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2022-07-12 14:33:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-12 14:33:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-12 14:33:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure get_icount [2022-07-12 14:33:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure get_icount [2022-07-12 14:33:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure unthrottle [2022-07-12 14:33:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure unthrottle [2022-07-12 14:33:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2022-07-12 14:33:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2022-07-12 14:33:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-12 14:33:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-12 14:33:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2022-07-12 14:33:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2022-07-12 14:33:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-07-12 14:33:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-07-12 14:33:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 14:33:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 14:33:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2022-07-12 14:33:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2022-07-12 14:33:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2022-07-12 14:33:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2022-07-12 14:33:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 14:33:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2022-07-12 14:33:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2022-07-12 14:33:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2022-07-12 14:33:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2022-07-12 14:33:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2022-07-12 14:33:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2022-07-12 14:33:50,308 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:33:50,311 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:33:50,498 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:34:20,646 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:34:20,679 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:34:20,680 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 14:34:20,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:34:20 BoogieIcfgContainer [2022-07-12 14:34:20,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:34:20,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:34:20,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:34:20,689 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:34:20,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:33:44" (1/3) ... [2022-07-12 14:34:20,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7395a56f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:34:20, skipping insertion in model container [2022-07-12 14:34:20,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:33:48" (2/3) ... [2022-07-12 14:34:20,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7395a56f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:34:20, skipping insertion in model container [2022-07-12 14:34:20,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:34:20" (3/3) ... [2022-07-12 14:34:20,692 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclink_gt.ko-entry_point.cil.out.i [2022-07-12 14:34:20,703 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:34:20,703 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:34:20,810 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:34:20,815 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@26fe013e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@113398ee [2022-07-12 14:34:20,815 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:34:20,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 3928 states, 2965 states have (on average 1.5116357504215852) internal successors, (4482), 3068 states have internal predecessors, (4482), 826 states have call successors, (826), 136 states have call predecessors, (826), 135 states have return successors, (814), 794 states have call predecessors, (814), 814 states have call successors, (814) [2022-07-12 14:34:20,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-07-12 14:34:20,859 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:34:20,860 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:34:20,860 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:34:20,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:34:20,865 INFO L85 PathProgramCache]: Analyzing trace with hash -741900599, now seen corresponding path program 1 times [2022-07-12 14:34:20,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:34:20,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422925033] [2022-07-12 14:34:20,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:34:20,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:34:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:34:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:34:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:34:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:34:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:34:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:34:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:34:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:34:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 14:34:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:34:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 14:34:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:34:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 14:34:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:34:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 14:34:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:34:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 14:34:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:34:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:21,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 14:34:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:34:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 14:34:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-12 14:34:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 14:34:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-12 14:34:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:22,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-12 14:34:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-12 14:34:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:34:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-12 14:34:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-12 14:34:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 14:34:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:34:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-12 14:34:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-12 14:34:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:34:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-12 14:34:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-12 14:34:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-12 14:34:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:34:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:34:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1854 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1854 trivial. 0 not checked. [2022-07-12 14:34:22,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:34:22,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422925033] [2022-07-12 14:34:22,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422925033] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:34:22,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:34:22,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:34:22,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199586726] [2022-07-12 14:34:22,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:34:22,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:34:22,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:34:22,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:34:22,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:34:22,553 INFO L87 Difference]: Start difference. First operand has 3928 states, 2965 states have (on average 1.5116357504215852) internal successors, (4482), 3068 states have internal predecessors, (4482), 826 states have call successors, (826), 136 states have call predecessors, (826), 135 states have return successors, (814), 794 states have call predecessors, (814), 814 states have call successors, (814) Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-12 14:34:25,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:34:27,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:34:29,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:34:31,622 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:34:33,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:34:37,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:34:39,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:34:41,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:34:43,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:34:48,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:34:50,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:34:54,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:34:56,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:34:58,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:00,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:02,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:04,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:06,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:08,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:09,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:35:09,429 INFO L93 Difference]: Finished difference Result 8170 states and 13028 transitions. [2022-07-12 14:35:09,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 14:35:09,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 375 [2022-07-12 14:35:09,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:35:09,563 INFO L225 Difference]: With dead ends: 8170 [2022-07-12 14:35:09,569 INFO L226 Difference]: Without dead ends: 4225 [2022-07-12 14:35:09,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:35:09,604 INFO L413 NwaCegarLoop]: 5434 mSDtfsCounter, 2624 mSDsluCounter, 5159 mSDsCounter, 0 mSdLazyCounter, 2982 mSolverCounterSat, 2108 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2650 SdHoareTripleChecker+Valid, 10593 SdHoareTripleChecker+Invalid, 5105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2108 IncrementalHoareTripleChecker+Valid, 2982 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:35:09,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2650 Valid, 10593 Invalid, 5105 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2108 Valid, 2982 Invalid, 15 Unknown, 0 Unchecked, 46.4s Time] [2022-07-12 14:35:09,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4225 states. [2022-07-12 14:35:09,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4225 to 3906. [2022-07-12 14:35:09,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3906 states, 2958 states have (on average 1.4050033806626099) internal successors, (4156), 3047 states have internal predecessors, (4156), 813 states have call successors, (813), 135 states have call predecessors, (813), 134 states have return successors, (812), 792 states have call predecessors, (812), 812 states have call successors, (812) [2022-07-12 14:35:09,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3906 states to 3906 states and 5781 transitions. [2022-07-12 14:35:09,884 INFO L78 Accepts]: Start accepts. Automaton has 3906 states and 5781 transitions. Word has length 375 [2022-07-12 14:35:09,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:35:09,886 INFO L495 AbstractCegarLoop]: Abstraction has 3906 states and 5781 transitions. [2022-07-12 14:35:09,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 2 states have internal predecessors, (67), 2 states have call successors, (33), 5 states have call predecessors, (33), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-12 14:35:09,887 INFO L276 IsEmpty]: Start isEmpty. Operand 3906 states and 5781 transitions. [2022-07-12 14:35:09,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-07-12 14:35:09,899 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:35:09,899 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:35:09,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 14:35:09,900 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:35:09,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:35:09,901 INFO L85 PathProgramCache]: Analyzing trace with hash -500668875, now seen corresponding path program 1 times [2022-07-12 14:35:09,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:35:09,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649187318] [2022-07-12 14:35:09,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:35:09,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:35:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:35:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:35:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:35:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:35:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:35:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:35:10,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:35:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:35:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 14:35:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:35:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 14:35:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:35:10,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 14:35:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:35:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 14:35:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:35:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 14:35:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:35:10,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 14:35:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:35:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 14:35:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-12 14:35:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 14:35:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-12 14:35:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-12 14:35:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-12 14:35:10,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:35:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-12 14:35:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-12 14:35:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 14:35:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:35:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-12 14:35:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-12 14:35:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:35:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-12 14:35:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-12 14:35:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-12 14:35:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:35:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:35:10,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1854 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1854 trivial. 0 not checked. [2022-07-12 14:35:10,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:35:10,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649187318] [2022-07-12 14:35:10,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649187318] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:35:10,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:35:10,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:35:10,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975902971] [2022-07-12 14:35:10,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:35:10,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:35:10,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:35:10,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:35:10,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:35:10,813 INFO L87 Difference]: Start difference. First operand 3906 states and 5781 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-07-12 14:35:13,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:15,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:18,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:20,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:22,995 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:24,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:26,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:28,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:31,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:35,457 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:37,513 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:41,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:46,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:48,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:54,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:57,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:35:59,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:01,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:03,235 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:05,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:07,622 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:09,661 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:10,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:36:10,804 INFO L93 Difference]: Finished difference Result 11884 states and 17768 transitions. [2022-07-12 14:36:10,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 14:36:10,805 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 375 [2022-07-12 14:36:10,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:36:10,860 INFO L225 Difference]: With dead ends: 11884 [2022-07-12 14:36:10,860 INFO L226 Difference]: Without dead ends: 8043 [2022-07-12 14:36:10,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:36:10,881 INFO L413 NwaCegarLoop]: 6856 mSDtfsCounter, 9647 mSDsluCounter, 10401 mSDsCounter, 0 mSdLazyCounter, 6493 mSolverCounterSat, 4223 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10146 SdHoareTripleChecker+Valid, 17257 SdHoareTripleChecker+Invalid, 10733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4223 IncrementalHoareTripleChecker+Valid, 6493 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:36:10,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10146 Valid, 17257 Invalid, 10733 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4223 Valid, 6493 Invalid, 17 Unknown, 0 Unchecked, 59.4s Time] [2022-07-12 14:36:10,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8043 states. [2022-07-12 14:36:11,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8043 to 7424. [2022-07-12 14:36:11,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7424 states, 5633 states have (on average 1.4090182851056277) internal successors, (7937), 5810 states have internal predecessors, (7937), 1529 states have call successors, (1529), 262 states have call predecessors, (1529), 261 states have return successors, (1529), 1488 states have call predecessors, (1529), 1528 states have call successors, (1529) [2022-07-12 14:36:11,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7424 states to 7424 states and 10995 transitions. [2022-07-12 14:36:11,195 INFO L78 Accepts]: Start accepts. Automaton has 7424 states and 10995 transitions. Word has length 375 [2022-07-12 14:36:11,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:36:11,198 INFO L495 AbstractCegarLoop]: Abstraction has 7424 states and 10995 transitions. [2022-07-12 14:36:11,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-07-12 14:36:11,200 INFO L276 IsEmpty]: Start isEmpty. Operand 7424 states and 10995 transitions. [2022-07-12 14:36:11,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2022-07-12 14:36:11,214 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:36:11,215 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:36:11,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 14:36:11,215 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:36:11,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:36:11,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1126463478, now seen corresponding path program 1 times [2022-07-12 14:36:11,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:36:11,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449275429] [2022-07-12 14:36:11,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:36:11,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:36:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:36:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:36:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:36:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:36:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 14:36:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 14:36:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 14:36:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 14:36:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 14:36:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 14:36:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:36:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 14:36:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-12 14:36:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 14:36:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-12 14:36:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-12 14:36:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-12 14:36:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:36:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-12 14:36:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-12 14:36:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 14:36:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:36:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:11,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-12 14:36:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:12,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:12,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-12 14:36:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:12,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:12,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:36:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:12,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:12,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-12 14:36:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:12,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:12,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-12 14:36:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:12,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:12,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:12,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-12 14:36:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:12,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:12,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-12 14:36:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:12,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-12 14:36:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:12,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-12 14:36:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:12,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:36:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:36:12,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1854 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1854 trivial. 0 not checked. [2022-07-12 14:36:12,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:36:12,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449275429] [2022-07-12 14:36:12,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449275429] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:36:12,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:36:12,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 14:36:12,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436037144] [2022-07-12 14:36:12,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:36:12,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:36:12,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:36:12,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:36:12,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:36:12,130 INFO L87 Difference]: Start difference. First operand 7424 states and 10995 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-12 14:36:14,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:16,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:19,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:21,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:23,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:25,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:27,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:29,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:36,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:38,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:40,247 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:42,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:50,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:52,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:55,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:57,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:36:58,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:05,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:07,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:09,235 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:12,001 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:14,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:16,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:18,360 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:20,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:22,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:25,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:27,244 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:29,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:31,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:37:31,797 INFO L93 Difference]: Finished difference Result 23245 states and 34945 transitions. [2022-07-12 14:37:31,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 14:37:31,797 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 407 [2022-07-12 14:37:31,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:37:31,890 INFO L225 Difference]: With dead ends: 23245 [2022-07-12 14:37:31,890 INFO L226 Difference]: Without dead ends: 15886 [2022-07-12 14:37:31,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-07-12 14:37:31,928 INFO L413 NwaCegarLoop]: 6203 mSDtfsCounter, 13157 mSDsluCounter, 12627 mSDsCounter, 0 mSdLazyCounter, 12197 mSolverCounterSat, 6775 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13819 SdHoareTripleChecker+Valid, 18830 SdHoareTripleChecker+Invalid, 18998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6775 IncrementalHoareTripleChecker+Valid, 12197 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78.9s IncrementalHoareTripleChecker+Time [2022-07-12 14:37:31,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13819 Valid, 18830 Invalid, 18998 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6775 Valid, 12197 Invalid, 26 Unknown, 0 Unchecked, 78.9s Time] [2022-07-12 14:37:31,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15886 states. [2022-07-12 14:37:32,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15886 to 14314. [2022-07-12 14:37:32,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14314 states, 10885 states have (on average 1.4104731281580156) internal successors, (15353), 11235 states have internal predecessors, (15353), 2922 states have call successors, (2922), 503 states have call predecessors, (2922), 506 states have return successors, (2935), 2841 states have call predecessors, (2935), 2921 states have call successors, (2935) [2022-07-12 14:37:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14314 states to 14314 states and 21210 transitions. [2022-07-12 14:37:32,550 INFO L78 Accepts]: Start accepts. Automaton has 14314 states and 21210 transitions. Word has length 407 [2022-07-12 14:37:32,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:37:32,554 INFO L495 AbstractCegarLoop]: Abstraction has 14314 states and 21210 transitions. [2022-07-12 14:37:32,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (38), 6 states have call predecessors, (38), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-12 14:37:32,555 INFO L276 IsEmpty]: Start isEmpty. Operand 14314 states and 21210 transitions. [2022-07-12 14:37:32,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2022-07-12 14:37:32,573 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:37:32,573 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:37:32,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 14:37:32,574 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:37:32,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:37:32,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1919021330, now seen corresponding path program 1 times [2022-07-12 14:37:32,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:37:32,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690349788] [2022-07-12 14:37:32,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:37:32,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:37:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 14:37:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-12 14:37:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 14:37:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 14:37:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 14:37:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 14:37:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:32,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:32,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 14:37:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:32,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-12 14:37:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 14:37:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 14:37:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:37:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 14:37:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-12 14:37:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 14:37:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-12 14:37:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-12 14:37:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-12 14:37:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-12 14:37:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-12 14:37:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-12 14:37:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 14:37:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:37:33,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-12 14:37:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-12 14:37:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:37:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-12 14:37:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-07-12 14:37:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-12 14:37:33,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2022-07-12 14:37:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-12 14:37:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-12 14:37:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-12 14:37:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:37:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:37:33,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1854 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1854 trivial. 0 not checked. [2022-07-12 14:37:33,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:37:33,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690349788] [2022-07-12 14:37:33,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690349788] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:37:33,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:37:33,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 14:37:33,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259943929] [2022-07-12 14:37:33,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:37:33,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:37:33,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:37:33,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:37:33,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:37:33,373 INFO L87 Difference]: Start difference. First operand 14314 states and 21210 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-12 14:37:36,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:38,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:40,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:47,535 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:51,017 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:53,261 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:55,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:37:57,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []