./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.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 11d3d0800a0e0d53b4d0190c9a443eccbd843952940cf36579a7110b5d32d86b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 17:11:46,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 17:11:46,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 17:11:46,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 17:11:46,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 17:11:46,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 17:11:46,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 17:11:46,330 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 17:11:46,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 17:11:46,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 17:11:46,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 17:11:46,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 17:11:46,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 17:11:46,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 17:11:46,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 17:11:46,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 17:11:46,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 17:11:46,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 17:11:46,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 17:11:46,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 17:11:46,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 17:11:46,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 17:11:46,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 17:11:46,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 17:11:46,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 17:11:46,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 17:11:46,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 17:11:46,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 17:11:46,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 17:11:46,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 17:11:46,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 17:11:46,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 17:11:46,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 17:11:46,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 17:11:46,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 17:11:46,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 17:11:46,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 17:11:46,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 17:11:46,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 17:11:46,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 17:11:46,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 17:11:46,364 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 17:11:46,387 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 17:11:46,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 17:11:46,387 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 17:11:46,388 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 17:11:46,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 17:11:46,388 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 17:11:46,389 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 17:11:46,389 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 17:11:46,389 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 17:11:46,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 17:11:46,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 17:11:46,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 17:11:46,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 17:11:46,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 17:11:46,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 17:11:46,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 17:11:46,391 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 17:11:46,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 17:11:46,391 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 17:11:46,391 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 17:11:46,391 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 17:11:46,391 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:11:46,391 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 17:11:46,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 17:11:46,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 17:11:46,392 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 17:11:46,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 17:11:46,393 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 17:11:46,393 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 17:11:46,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 17:11:46,394 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 17:11:46,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11d3d0800a0e0d53b4d0190c9a443eccbd843952940cf36579a7110b5d32d86b [2021-12-21 17:11:46,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 17:11:46,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 17:11:46,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 17:11:46,606 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 17:11:46,607 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 17:11:46,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2021-12-21 17:11:46,644 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f54fc2775/a17a460ee4564fd58782c99c9df063a6/FLAGe6cb4e2f8 [2021-12-21 17:11:47,242 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 17:11:47,242 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2021-12-21 17:11:47,293 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f54fc2775/a17a460ee4564fd58782c99c9df063a6/FLAGe6cb4e2f8 [2021-12-21 17:11:47,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f54fc2775/a17a460ee4564fd58782c99c9df063a6 [2021-12-21 17:11:47,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 17:11:47,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 17:11:47,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 17:11:47,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 17:11:47,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 17:11:47,416 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:11:47" (1/1) ... [2021-12-21 17:11:47,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f34f12a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:11:47, skipping insertion in model container [2021-12-21 17:11:47,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:11:47" (1/1) ... [2021-12-21 17:11:47,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 17:11:47,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 17:11:48,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323389,323402] [2021-12-21 17:11:48,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323534,323547] [2021-12-21 17:11:48,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:11:48,877 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 17:11:49,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323389,323402] [2021-12-21 17:11:49,125 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i[323534,323547] [2021-12-21 17:11:49,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:11:49,202 INFO L208 MainTranslator]: Completed translation [2021-12-21 17:11:49,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:11:49 WrapperNode [2021-12-21 17:11:49,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 17:11:49,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 17:11:49,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 17:11:49,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 17:11:49,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:11:49" (1/1) ... [2021-12-21 17:11:49,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:11:49" (1/1) ... [2021-12-21 17:11:49,400 INFO L137 Inliner]: procedures = 379, calls = 2098, calls flagged for inlining = 146, calls inlined = 127, statements flattened = 4154 [2021-12-21 17:11:49,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 17:11:49,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 17:11:49,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 17:11:49,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 17:11:49,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:11:49" (1/1) ... [2021-12-21 17:11:49,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:11:49" (1/1) ... [2021-12-21 17:11:49,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:11:49" (1/1) ... [2021-12-21 17:11:49,443 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:11:49" (1/1) ... [2021-12-21 17:11:49,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:11:49" (1/1) ... [2021-12-21 17:11:49,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:11:49" (1/1) ... [2021-12-21 17:11:49,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:11:49" (1/1) ... [2021-12-21 17:11:49,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 17:11:49,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 17:11:49,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 17:11:49,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 17:11:49,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:11:49" (1/1) ... [2021-12-21 17:11:49,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:11:49,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:11:49,595 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) [2021-12-21 17:11:49,619 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 [2021-12-21 17:11:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2021-12-21 17:11:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2021-12-21 17:11:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2021-12-21 17:11:49,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2021-12-21 17:11:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 17:11:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 17:11:49,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 17:11:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 17:11:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 17:11:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 17:11:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2021-12-21 17:11:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2021-12-21 17:11:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2021-12-21 17:11:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2021-12-21 17:11:49,627 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2021-12-21 17:11:49,627 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2021-12-21 17:11:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 17:11:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 17:11:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 17:11:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 17:11:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-21 17:11:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-21 17:11:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2021-12-21 17:11:49,628 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2021-12-21 17:11:49,628 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-21 17:11:49,629 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-21 17:11:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2021-12-21 17:11:49,629 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2021-12-21 17:11:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure via_remove_one [2021-12-21 17:11:49,629 INFO L138 BoogieDeclarations]: Found implementation of procedure via_remove_one [2021-12-21 17:11:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2021-12-21 17:11:49,629 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2021-12-21 17:11:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2021-12-21 17:11:49,629 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2021-12-21 17:11:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 17:11:49,630 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 17:11:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2021-12-21 17:11:49,630 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2021-12-21 17:11:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-21 17:11:49,630 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-21 17:11:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2021-12-21 17:11:49,630 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2021-12-21 17:11:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-21 17:11:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-21 17:11:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 17:11:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 17:11:49,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 17:11:49,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-21 17:11:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2021-12-21 17:11:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2021-12-21 17:11:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2021-12-21 17:11:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2021-12-21 17:11:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-21 17:11:49,632 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-21 17:11:49,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 17:11:49,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 17:11:49,633 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2021-12-21 17:11:49,634 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2021-12-21 17:11:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 17:11:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 17:11:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2021-12-21 17:11:49,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2021-12-21 17:11:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2021-12-21 17:11:49,634 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2021-12-21 17:11:49,634 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-21 17:11:49,635 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-21 17:11:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-21 17:11:49,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-21 17:11:49,635 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-21 17:11:49,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-21 17:11:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2021-12-21 17:11:49,636 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2021-12-21 17:11:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 17:11:49,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 17:11:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-21 17:11:49,636 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-21 17:11:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 17:11:49,636 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 17:11:49,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-21 17:11:49,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-21 17:11:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-21 17:11:49,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-21 17:11:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2021-12-21 17:11:49,637 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2021-12-21 17:11:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2021-12-21 17:11:49,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2021-12-21 17:11:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 17:11:49,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-21 17:11:49,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-21 17:11:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2021-12-21 17:11:49,638 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2021-12-21 17:11:49,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_via_ircc_cb [2021-12-21 17:11:49,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_via_ircc_cb [2021-12-21 17:11:49,639 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2021-12-21 17:11:49,639 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2021-12-21 17:11:49,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 17:11:49,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-21 17:11:49,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-21 17:11:49,640 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2021-12-21 17:11:49,640 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2021-12-21 17:11:49,640 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-21 17:11:49,640 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-21 17:11:49,640 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2021-12-21 17:11:49,640 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2021-12-21 17:11:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 17:11:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-21 17:11:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-21 17:11:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-21 17:11:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-21 17:11:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 17:11:49,641 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 17:11:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 17:11:49,642 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 17:11:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2021-12-21 17:11:49,642 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2021-12-21 17:11:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-21 17:11:49,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-21 17:11:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-21 17:11:49,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-21 17:11:49,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 17:11:49,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 17:11:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2021-12-21 17:11:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2021-12-21 17:11:49,646 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-21 17:11:49,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-21 17:11:49,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 17:11:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2021-12-21 17:11:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2021-12-21 17:11:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2021-12-21 17:11:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2021-12-21 17:11:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-21 17:11:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-21 17:11:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 17:11:49,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 17:11:49,651 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2021-12-21 17:11:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2021-12-21 17:11:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2021-12-21 17:11:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2021-12-21 17:11:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2021-12-21 17:11:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2021-12-21 17:11:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 17:11:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2021-12-21 17:11:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2021-12-21 17:11:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2021-12-21 17:11:49,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_via_ircc_cb [2021-12-21 17:11:49,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 17:11:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 17:11:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 17:11:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 17:11:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 17:11:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 17:11:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:11:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:11:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:11:49,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-21 17:11:49,653 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2021-12-21 17:11:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2021-12-21 17:11:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2021-12-21 17:11:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2021-12-21 17:11:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-21 17:11:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-21 17:11:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-21 17:11:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-21 17:11:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2021-12-21 17:11:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2021-12-21 17:11:49,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 17:11:49,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 17:11:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2021-12-21 17:11:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2021-12-21 17:11:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2021-12-21 17:11:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2021-12-21 17:11:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-21 17:11:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-21 17:11:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 17:11:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 17:11:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2021-12-21 17:11:49,655 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2021-12-21 17:11:49,655 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2021-12-21 17:11:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2021-12-21 17:11:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-21 17:11:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-21 17:11:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-21 17:11:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-21 17:11:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2021-12-21 17:11:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2021-12-21 17:11:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-21 17:11:49,656 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-21 17:11:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 17:11:49,656 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-12-21 17:11:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-12-21 17:11:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2021-12-21 17:11:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2021-12-21 17:11:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-21 17:11:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-21 17:11:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2021-12-21 17:11:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2021-12-21 17:11:49,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 17:11:49,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 17:11:50,228 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 17:11:50,232 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 17:11:50,346 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 17:11:52,850 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 17:11:52,869 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 17:11:52,870 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 17:11:52,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:11:52 BoogieIcfgContainer [2021-12-21 17:11:52,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 17:11:52,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 17:11:52,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 17:11:52,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 17:11:52,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:11:47" (1/3) ... [2021-12-21 17:11:52,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79cfedeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:11:52, skipping insertion in model container [2021-12-21 17:11:52,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:11:49" (2/3) ... [2021-12-21 17:11:52,878 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79cfedeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:11:52, skipping insertion in model container [2021-12-21 17:11:52,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:11:52" (3/3) ... [2021-12-21 17:11:52,879 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-irda-via-ircc.cil.i [2021-12-21 17:11:52,884 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 17:11:52,885 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 17:11:52,919 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 17:11:52,923 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 17:11:52,924 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 17:11:52,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 1819 states, 1086 states have (on average 1.2587476979742174) internal successors, (1367), 1117 states have internal predecessors, (1367), 641 states have call successors, (641), 91 states have call predecessors, (641), 90 states have return successors, (638), 626 states have call predecessors, (638), 638 states have call successors, (638) [2021-12-21 17:11:52,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-12-21 17:11:52,975 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:11:52,975 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:11:52,976 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:11:52,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:11:52,979 INFO L85 PathProgramCache]: Analyzing trace with hash 610246065, now seen corresponding path program 1 times [2021-12-21 17:11:52,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:11:52,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968594309] [2021-12-21 17:11:52,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:11:52,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:11:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:11:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 17:11:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 17:11:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:11:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:11:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 17:11:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:53,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:11:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:11:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 17:11:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:11:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:11:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 17:11:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 17:11:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-21 17:11:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:11:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-21 17:11:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-21 17:11:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 17:11:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:11:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-21 17:11:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-21 17:11:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-21 17:11:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:11:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:11:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:11:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-21 17:11:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 17:11:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 17:11:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:11:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-21 17:11:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-21 17:11:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:11:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:11:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-21 17:11:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:11:53,817 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2021-12-21 17:11:53,817 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:11:53,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968594309] [2021-12-21 17:11:53,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968594309] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:11:53,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:11:53,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-21 17:11:53,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600275665] [2021-12-21 17:11:53,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:11:53,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 17:11:53,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:11:53,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 17:11:53,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-21 17:11:53,849 INFO L87 Difference]: Start difference. First operand has 1819 states, 1086 states have (on average 1.2587476979742174) internal successors, (1367), 1117 states have internal predecessors, (1367), 641 states have call successors, (641), 91 states have call predecessors, (641), 90 states have return successors, (638), 626 states have call predecessors, (638), 638 states have call successors, (638) Second operand has 9 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-21 17:12:04,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:12:04,315 INFO L93 Difference]: Finished difference Result 3976 states and 5844 transitions. [2021-12-21 17:12:04,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 17:12:04,317 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 301 [2021-12-21 17:12:04,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:12:04,363 INFO L225 Difference]: With dead ends: 3976 [2021-12-21 17:12:04,364 INFO L226 Difference]: Without dead ends: 2100 [2021-12-21 17:12:04,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-12-21 17:12:04,406 INFO L933 BasicCegarLoop]: 2313 mSDtfsCounter, 4124 mSDsluCounter, 3271 mSDsCounter, 0 mSdLazyCounter, 6463 mSolverCounterSat, 4498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4351 SdHoareTripleChecker+Valid, 5584 SdHoareTripleChecker+Invalid, 10961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4498 IncrementalHoareTripleChecker+Valid, 6463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2021-12-21 17:12:04,407 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4351 Valid, 5584 Invalid, 10961 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4498 Valid, 6463 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2021-12-21 17:12:04,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2021-12-21 17:12:04,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1762. [2021-12-21 17:12:04,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1762 states, 1057 states have (on average 1.2563859981078525) internal successors, (1328), 1086 states have internal predecessors, (1328), 615 states have call successors, (615), 89 states have call predecessors, (615), 89 states have return successors, (615), 603 states have call predecessors, (615), 615 states have call successors, (615) [2021-12-21 17:12:04,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1762 states and 2558 transitions. [2021-12-21 17:12:04,594 INFO L78 Accepts]: Start accepts. Automaton has 1762 states and 2558 transitions. Word has length 301 [2021-12-21 17:12:04,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:12:04,598 INFO L470 AbstractCegarLoop]: Abstraction has 1762 states and 2558 transitions. [2021-12-21 17:12:04,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.625) internal successors, (109), 6 states have internal predecessors, (109), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-21 17:12:04,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2558 transitions. [2021-12-21 17:12:04,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-12-21 17:12:04,607 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:12:04,607 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:12:04,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 17:12:04,607 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:12:04,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:12:04,608 INFO L85 PathProgramCache]: Analyzing trace with hash -553886623, now seen corresponding path program 1 times [2021-12-21 17:12:04,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:12:04,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342683083] [2021-12-21 17:12:04,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:12:04,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:12:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 17:12:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 17:12:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 17:12:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 17:12:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:04,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 17:12:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 17:12:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-21 17:12:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:12:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-21 17:12:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-21 17:12:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 17:12:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:12:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-21 17:12:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-21 17:12:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:04,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-21 17:12:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:05,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:05,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:05,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:05,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:12:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:05,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-21 17:12:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:05,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 17:12:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:05,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 17:12:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:05,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:12:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:05,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:05,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-21 17:12:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:05,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-21 17:12:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:05,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:05,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:05,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:05,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:05,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-21 17:12:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:05,098 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2021-12-21 17:12:05,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:12:05,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342683083] [2021-12-21 17:12:05,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342683083] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:12:05,099 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:12:05,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-21 17:12:05,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679106179] [2021-12-21 17:12:05,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:12:05,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 17:12:05,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:12:05,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 17:12:05,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-21 17:12:05,102 INFO L87 Difference]: Start difference. First operand 1762 states and 2558 transitions. Second operand has 9 states, 8 states have (on average 13.75) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-21 17:12:09,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:12:14,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:12:14,362 INFO L93 Difference]: Finished difference Result 3843 states and 5626 transitions. [2021-12-21 17:12:14,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 17:12:14,363 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 302 [2021-12-21 17:12:14,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:12:14,391 INFO L225 Difference]: With dead ends: 3843 [2021-12-21 17:12:14,401 INFO L226 Difference]: Without dead ends: 2100 [2021-12-21 17:12:14,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-12-21 17:12:14,429 INFO L933 BasicCegarLoop]: 2211 mSDtfsCounter, 4039 mSDsluCounter, 3036 mSDsCounter, 0 mSdLazyCounter, 6249 mSolverCounterSat, 4333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4257 SdHoareTripleChecker+Valid, 5247 SdHoareTripleChecker+Invalid, 10582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4333 IncrementalHoareTripleChecker+Valid, 6249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-12-21 17:12:14,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4257 Valid, 5247 Invalid, 10582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4333 Valid, 6249 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2021-12-21 17:12:14,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2021-12-21 17:12:14,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1762. [2021-12-21 17:12:14,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1762 states, 1057 states have (on average 1.2554399243140966) internal successors, (1327), 1086 states have internal predecessors, (1327), 615 states have call successors, (615), 89 states have call predecessors, (615), 89 states have return successors, (615), 603 states have call predecessors, (615), 615 states have call successors, (615) [2021-12-21 17:12:14,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1762 states and 2557 transitions. [2021-12-21 17:12:14,510 INFO L78 Accepts]: Start accepts. Automaton has 1762 states and 2557 transitions. Word has length 302 [2021-12-21 17:12:14,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:12:14,511 INFO L470 AbstractCegarLoop]: Abstraction has 1762 states and 2557 transitions. [2021-12-21 17:12:14,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.75) internal successors, (110), 6 states have internal predecessors, (110), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-21 17:12:14,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2557 transitions. [2021-12-21 17:12:14,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-12-21 17:12:14,517 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:12:14,517 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:12:14,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 17:12:14,517 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:12:14,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:12:14,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1432528213, now seen corresponding path program 1 times [2021-12-21 17:12:14,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:12:14,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437503179] [2021-12-21 17:12:14,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:12:14,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:12:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 17:12:14,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 17:12:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 17:12:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 17:12:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 17:12:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-21 17:12:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-21 17:12:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-21 17:12:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-21 17:12:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 17:12:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-21 17:12:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 17:12:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-21 17:12:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-21 17:12:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-21 17:12:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-21 17:12:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-21 17:12:14,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-21 17:12:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-21 17:12:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-21 17:12:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-21 17:12:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-21 17:12:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-12-21 17:12:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-21 17:12:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-21 17:12:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-21 17:12:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-21 17:12:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:14,972 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2021-12-21 17:12:14,973 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:12:14,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437503179] [2021-12-21 17:12:14,973 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437503179] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:12:14,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:12:14,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 17:12:14,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255469285] [2021-12-21 17:12:14,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:12:14,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 17:12:14,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:12:14,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 17:12:14,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 17:12:14,975 INFO L87 Difference]: Start difference. First operand 1762 states and 2557 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-21 17:12:19,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:12:24,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:12:24,009 INFO L93 Difference]: Finished difference Result 5111 states and 7411 transitions. [2021-12-21 17:12:24,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 17:12:24,009 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 278 [2021-12-21 17:12:24,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:12:24,031 INFO L225 Difference]: With dead ends: 5111 [2021-12-21 17:12:24,031 INFO L226 Difference]: Without dead ends: 3368 [2021-12-21 17:12:24,042 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-21 17:12:24,043 INFO L933 BasicCegarLoop]: 2306 mSDtfsCounter, 4950 mSDsluCounter, 2636 mSDsCounter, 0 mSdLazyCounter, 3130 mSolverCounterSat, 5620 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5448 SdHoareTripleChecker+Valid, 4942 SdHoareTripleChecker+Invalid, 8750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5620 IncrementalHoareTripleChecker+Valid, 3130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-12-21 17:12:24,043 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5448 Valid, 4942 Invalid, 8750 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5620 Valid, 3130 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2021-12-21 17:12:24,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3368 states. [2021-12-21 17:12:24,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3368 to 3250. [2021-12-21 17:12:24,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 1952 states have (on average 1.2592213114754098) internal successors, (2458), 2006 states have internal predecessors, (2458), 1125 states have call successors, (1125), 171 states have call predecessors, (1125), 172 states have return successors, (1129), 1102 states have call predecessors, (1129), 1125 states have call successors, (1129) [2021-12-21 17:12:24,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 4712 transitions. [2021-12-21 17:12:24,254 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 4712 transitions. Word has length 278 [2021-12-21 17:12:24,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:12:24,255 INFO L470 AbstractCegarLoop]: Abstraction has 3250 states and 4712 transitions. [2021-12-21 17:12:24,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (39), 6 states have call predecessors, (39), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-21 17:12:24,255 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 4712 transitions. [2021-12-21 17:12:24,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-12-21 17:12:24,260 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:12:24,260 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:12:24,260 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-21 17:12:24,261 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:12:24,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:12:24,261 INFO L85 PathProgramCache]: Analyzing trace with hash 2127222317, now seen corresponding path program 1 times [2021-12-21 17:12:24,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:12:24,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895144918] [2021-12-21 17:12:24,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:12:24,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:12:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 17:12:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 17:12:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 17:12:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 17:12:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 17:12:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 17:12:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-21 17:12:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:12:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-21 17:12:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-21 17:12:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 17:12:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:12:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-21 17:12:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-21 17:12:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-21 17:12:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:12:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-21 17:12:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 17:12:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 17:12:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:12:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-21 17:12:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-21 17:12:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:24,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-21 17:12:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:24,686 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2021-12-21 17:12:24,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:12:24,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895144918] [2021-12-21 17:12:24,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895144918] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:12:24,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:12:24,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-21 17:12:24,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913865548] [2021-12-21 17:12:24,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:12:24,688 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 17:12:24,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:12:24,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 17:12:24,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-21 17:12:24,688 INFO L87 Difference]: Start difference. First operand 3250 states and 4712 transitions. Second operand has 9 states, 8 states have (on average 13.875) internal successors, (111), 6 states have internal predecessors, (111), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-21 17:12:27,151 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:12:28,447 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:12:30,270 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:12:36,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:12:36,467 INFO L93 Difference]: Finished difference Result 7016 states and 10252 transitions. [2021-12-21 17:12:36,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 17:12:36,467 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 6 states have internal predecessors, (111), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 303 [2021-12-21 17:12:36,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:12:36,490 INFO L225 Difference]: With dead ends: 7016 [2021-12-21 17:12:36,490 INFO L226 Difference]: Without dead ends: 3785 [2021-12-21 17:12:36,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-12-21 17:12:36,514 INFO L933 BasicCegarLoop]: 2217 mSDtfsCounter, 5440 mSDsluCounter, 3046 mSDsCounter, 0 mSdLazyCounter, 6266 mSolverCounterSat, 5766 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5656 SdHoareTripleChecker+Valid, 5263 SdHoareTripleChecker+Invalid, 12032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5766 IncrementalHoareTripleChecker+Valid, 6266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2021-12-21 17:12:36,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5656 Valid, 5263 Invalid, 12032 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5766 Valid, 6266 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2021-12-21 17:12:36,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3785 states. [2021-12-21 17:12:36,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3785 to 3250. [2021-12-21 17:12:36,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 1952 states have (on average 1.2581967213114753) internal successors, (2456), 2006 states have internal predecessors, (2456), 1125 states have call successors, (1125), 171 states have call predecessors, (1125), 172 states have return successors, (1129), 1102 states have call predecessors, (1129), 1125 states have call successors, (1129) [2021-12-21 17:12:36,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 4710 transitions. [2021-12-21 17:12:36,675 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 4710 transitions. Word has length 303 [2021-12-21 17:12:36,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:12:36,677 INFO L470 AbstractCegarLoop]: Abstraction has 3250 states and 4710 transitions. [2021-12-21 17:12:36,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 13.875) internal successors, (111), 6 states have internal predecessors, (111), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-21 17:12:36,677 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 4710 transitions. [2021-12-21 17:12:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-12-21 17:12:36,682 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:12:36,683 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:12:36,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-21 17:12:36,683 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:12:36,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:12:36,684 INFO L85 PathProgramCache]: Analyzing trace with hash -543229859, now seen corresponding path program 1 times [2021-12-21 17:12:36,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:12:36,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095023069] [2021-12-21 17:12:36,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:12:36,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:12:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 17:12:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 17:12:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 17:12:36,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 17:12:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 17:12:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 17:12:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-21 17:12:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:12:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-21 17:12:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-21 17:12:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 17:12:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:12:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:36,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-21 17:12:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-21 17:12:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-21 17:12:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:12:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-21 17:12:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 17:12:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 17:12:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:12:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-21 17:12:37,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-21 17:12:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-21 17:12:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:37,100 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2021-12-21 17:12:37,101 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:12:37,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095023069] [2021-12-21 17:12:37,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095023069] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:12:37,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:12:37,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-21 17:12:37,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600565891] [2021-12-21 17:12:37,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:12:37,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 17:12:37,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:12:37,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 17:12:37,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-21 17:12:37,103 INFO L87 Difference]: Start difference. First operand 3250 states and 4710 transitions. Second operand has 9 states, 8 states have (on average 14.0) internal successors, (112), 6 states have internal predecessors, (112), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-21 17:12:39,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:12:42,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:12:46,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:12:46,604 INFO L93 Difference]: Finished difference Result 7016 states and 10248 transitions. [2021-12-21 17:12:46,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-21 17:12:46,605 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.0) internal successors, (112), 6 states have internal predecessors, (112), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 304 [2021-12-21 17:12:46,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:12:46,624 INFO L225 Difference]: With dead ends: 7016 [2021-12-21 17:12:46,624 INFO L226 Difference]: Without dead ends: 3785 [2021-12-21 17:12:46,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-12-21 17:12:46,638 INFO L933 BasicCegarLoop]: 2217 mSDtfsCounter, 5435 mSDsluCounter, 3046 mSDsCounter, 0 mSdLazyCounter, 6266 mSolverCounterSat, 5761 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5651 SdHoareTripleChecker+Valid, 5263 SdHoareTripleChecker+Invalid, 12027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5761 IncrementalHoareTripleChecker+Valid, 6266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2021-12-21 17:12:46,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5651 Valid, 5263 Invalid, 12027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5761 Valid, 6266 Invalid, 0 Unknown, 0 Unchecked, 9.1s Time] [2021-12-21 17:12:46,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3785 states. [2021-12-21 17:12:46,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3785 to 3250. [2021-12-21 17:12:46,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 1952 states have (on average 1.257172131147541) internal successors, (2454), 2006 states have internal predecessors, (2454), 1125 states have call successors, (1125), 171 states have call predecessors, (1125), 172 states have return successors, (1129), 1102 states have call predecessors, (1129), 1125 states have call successors, (1129) [2021-12-21 17:12:46,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 4708 transitions. [2021-12-21 17:12:46,806 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 4708 transitions. Word has length 304 [2021-12-21 17:12:46,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:12:46,807 INFO L470 AbstractCegarLoop]: Abstraction has 3250 states and 4708 transitions. [2021-12-21 17:12:46,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.0) internal successors, (112), 6 states have internal predecessors, (112), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2021-12-21 17:12:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 4708 transitions. [2021-12-21 17:12:46,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-12-21 17:12:46,813 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:12:46,814 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:12:46,814 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-21 17:12:46,814 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 17:12:46,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:12:46,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1608352087, now seen corresponding path program 1 times [2021-12-21 17:12:46,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:12:46,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632561172] [2021-12-21 17:12:46,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:12:46,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:12:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:46,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:46,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-21 17:12:46,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 17:12:47,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-21 17:12:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-21 17:12:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 17:12:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-21 17:12:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-21 17:12:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:12:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-21 17:12:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-21 17:12:47,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-21 17:12:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:12:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-21 17:12:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-21 17:12:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-21 17:12:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 17:12:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-21 17:12:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-21 17:12:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-21 17:12:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-21 17:12:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-21 17:12:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-21 17:12:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-21 17:12:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-21 17:12:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:12:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-21 17:12:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:12:47,170 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2021-12-21 17:12:47,170 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:12:47,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632561172] [2021-12-21 17:12:47,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632561172] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:12:47,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:12:47,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-21 17:12:47,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655071051] [2021-12-21 17:12:47,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:12:47,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-21 17:12:47,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:12:47,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-21 17:12:47,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-21 17:12:47,173 INFO L87 Difference]: Start difference. First operand 3250 states and 4708 transitions. Second operand has 9 states, 8 states have (on average 14.125) internal successors, (113), 6 states have internal predecessors, (113), 4 states have call successors, (36), 5 states have call predecessors, (36), 2 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32)