./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4fb6aa6206205a747f158782e93b3c9333c1a2cdc4e8dab70046fca960e31961 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 23:59:58,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 23:59:58,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 23:59:58,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 23:59:58,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 23:59:58,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 23:59:58,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 23:59:58,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 23:59:58,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 23:59:58,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 23:59:58,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 23:59:58,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 23:59:58,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 23:59:58,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 23:59:58,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 23:59:58,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 23:59:58,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 23:59:58,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 23:59:58,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 23:59:58,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 23:59:58,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 23:59:58,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 23:59:58,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 23:59:58,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 23:59:58,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 23:59:58,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 23:59:58,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 23:59:58,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 23:59:58,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 23:59:58,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 23:59:58,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 23:59:58,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 23:59:58,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 23:59:58,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 23:59:58,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 23:59:58,397 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 23:59:58,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 23:59:58,398 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 23:59:58,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 23:59:58,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 23:59:58,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 23:59:58,400 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-02-20 23:59:58,417 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 23:59:58,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 23:59:58,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 23:59:58,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 23:59:58,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 23:59:58,422 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 23:59:58,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 23:59:58,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 23:59:58,423 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 23:59:58,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 23:59:58,424 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 23:59:58,425 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-20 23:59:58,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 23:59:58,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 23:59:58,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 23:59:58,425 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-20 23:59:58,425 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-20 23:59:58,425 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-20 23:59:58,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 23:59:58,426 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 23:59:58,426 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 23:59:58,426 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 23:59:58,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 23:59:58,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 23:59:58,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 23:59:58,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:59:58,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 23:59:58,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 23:59:58,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 23:59:58,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 23:59:58,429 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fb6aa6206205a747f158782e93b3c9333c1a2cdc4e8dab70046fca960e31961 [2022-02-20 23:59:58,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 23:59:58,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 23:59:58,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 23:59:58,636 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 23:59:58,637 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 23:59:58,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2022-02-20 23:59:58,698 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03c6ef4db/765d1b7c9c33462ba05d2e4b0bbff33f/FLAG88e8e56c0 [2022-02-20 23:59:59,023 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 23:59:59,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2022-02-20 23:59:59,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03c6ef4db/765d1b7c9c33462ba05d2e4b0bbff33f/FLAG88e8e56c0 [2022-02-20 23:59:59,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03c6ef4db/765d1b7c9c33462ba05d2e4b0bbff33f [2022-02-20 23:59:59,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 23:59:59,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 23:59:59,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 23:59:59,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 23:59:59,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 23:59:59,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:59:59" (1/1) ... [2022-02-20 23:59:59,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a9905ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:59, skipping insertion in model container [2022-02-20 23:59:59,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 11:59:59" (1/1) ... [2022-02-20 23:59:59,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 23:59:59,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 23:59:59,666 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/list-ext3-properties/dll_circular_traversal-2.i[24211,24224] [2022-02-20 23:59:59,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:59:59,673 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 23:59:59,702 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/list-ext3-properties/dll_circular_traversal-2.i[24211,24224] [2022-02-20 23:59:59,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 23:59:59,721 INFO L208 MainTranslator]: Completed translation [2022-02-20 23:59:59,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:59 WrapperNode [2022-02-20 23:59:59,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 23:59:59,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 23:59:59,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 23:59:59,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 23:59:59,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:59" (1/1) ... [2022-02-20 23:59:59,753 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:59" (1/1) ... [2022-02-20 23:59:59,773 INFO L137 Inliner]: procedures = 122, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2022-02-20 23:59:59,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 23:59:59,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 23:59:59,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 23:59:59,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 23:59:59,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:59" (1/1) ... [2022-02-20 23:59:59,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:59" (1/1) ... [2022-02-20 23:59:59,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:59" (1/1) ... [2022-02-20 23:59:59,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:59" (1/1) ... [2022-02-20 23:59:59,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:59" (1/1) ... [2022-02-20 23:59:59,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:59" (1/1) ... [2022-02-20 23:59:59,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:59" (1/1) ... [2022-02-20 23:59:59,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 23:59:59,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 23:59:59,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 23:59:59,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 23:59:59,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:59" (1/1) ... [2022-02-20 23:59:59,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 23:59:59,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 23:59:59,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 23:59:59,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 23:59:59,867 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-02-20 23:59:59,868 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-02-20 23:59:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 23:59:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 23:59:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-20 23:59:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 23:59:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-20 23:59:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-20 23:59:59,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 23:59:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 23:59:59,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 23:59:59,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 23:59:59,975 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 23:59:59,976 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 00:00:00,009 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-02-21 00:00:00,268 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 00:00:00,273 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 00:00:00,273 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-02-21 00:00:00,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 12:00:00 BoogieIcfgContainer [2022-02-21 00:00:00,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 00:00:00,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-21 00:00:00,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-21 00:00:00,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-21 00:00:00,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 11:59:59" (1/3) ... [2022-02-21 00:00:00,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e81a182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 12:00:00, skipping insertion in model container [2022-02-21 00:00:00,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 11:59:59" (2/3) ... [2022-02-21 00:00:00,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e81a182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 12:00:00, skipping insertion in model container [2022-02-21 00:00:00,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 12:00:00" (3/3) ... [2022-02-21 00:00:00,282 INFO L111 eAbstractionObserver]: Analyzing ICFG dll_circular_traversal-2.i [2022-02-21 00:00:00,287 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-21 00:00:00,288 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2022-02-21 00:00:00,330 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-21 00:00:00,336 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 [2022-02-21 00:00:00,337 INFO L340 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2022-02-21 00:00:00,380 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 42 states have (on average 2.0714285714285716) internal successors, (87), 78 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:00,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-02-21 00:00:00,388 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:00,388 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2022-02-21 00:00:00,389 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 31 more)] === [2022-02-21 00:00:00,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:00,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1079622, now seen corresponding path program 1 times [2022-02-21 00:00:00,400 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:00,401 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023315286] [2022-02-21 00:00:00,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:00,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:00,534 INFO L290 TraceCheckUtils]: 0: Hoare triple {83#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {83#true} is VALID [2022-02-21 00:00:00,536 INFO L290 TraceCheckUtils]: 1: Hoare triple {83#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {85#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} is VALID [2022-02-21 00:00:00,537 INFO L290 TraceCheckUtils]: 2: Hoare triple {85#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {85#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} is VALID [2022-02-21 00:00:00,537 INFO L290 TraceCheckUtils]: 3: Hoare triple {85#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} assume !(1 == #valid[dll_circular_create_~last~0#1.base]); {84#false} is VALID [2022-02-21 00:00:00,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:00,538 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:00,539 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023315286] [2022-02-21 00:00:00,539 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023315286] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:00,539 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:00,540 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-21 00:00:00,542 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045248413] [2022-02-21 00:00:00,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:00,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-02-21 00:00:00,546 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:00,548 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:00,556 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:00,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-21 00:00:00,556 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:00,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 00:00:00,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 00:00:00,578 INFO L87 Difference]: Start difference. First operand has 80 states, 42 states have (on average 2.0714285714285716) internal successors, (87), 78 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:00,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:00,734 INFO L93 Difference]: Finished difference Result 93 states and 98 transitions. [2022-02-21 00:00:00,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 00:00:00,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-02-21 00:00:00,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:00,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:00,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 108 transitions. [2022-02-21 00:00:00,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:00,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 108 transitions. [2022-02-21 00:00:00,754 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 108 transitions. [2022-02-21 00:00:00,840 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 108 edges. 108 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:00,851 INFO L225 Difference]: With dead ends: 93 [2022-02-21 00:00:00,851 INFO L226 Difference]: Without dead ends: 87 [2022-02-21 00:00:00,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 00:00:00,856 INFO L933 BasicCegarLoop]: 45 mSDtfsCounter, 66 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:00,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 62 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-21 00:00:00,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-02-21 00:00:00,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 70. [2022-02-21 00:00:00,878 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:00,880 INFO L82 GeneralOperation]: Start isEquivalent. First operand 87 states. Second operand has 70 states, 39 states have (on average 1.8717948717948718) internal successors, (73), 69 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:00,881 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand has 70 states, 39 states have (on average 1.8717948717948718) internal successors, (73), 69 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:00,882 INFO L87 Difference]: Start difference. First operand 87 states. Second operand has 70 states, 39 states have (on average 1.8717948717948718) internal successors, (73), 69 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:00,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:00,888 INFO L93 Difference]: Finished difference Result 87 states and 90 transitions. [2022-02-21 00:00:00,888 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 90 transitions. [2022-02-21 00:00:00,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:00,889 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:00,890 INFO L74 IsIncluded]: Start isIncluded. First operand has 70 states, 39 states have (on average 1.8717948717948718) internal successors, (73), 69 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 87 states. [2022-02-21 00:00:00,891 INFO L87 Difference]: Start difference. First operand has 70 states, 39 states have (on average 1.8717948717948718) internal successors, (73), 69 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 87 states. [2022-02-21 00:00:00,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:00,899 INFO L93 Difference]: Finished difference Result 87 states and 90 transitions. [2022-02-21 00:00:00,900 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 90 transitions. [2022-02-21 00:00:00,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:00,901 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:00,901 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:00,901 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:00,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 39 states have (on average 1.8717948717948718) internal successors, (73), 69 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:00,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 73 transitions. [2022-02-21 00:00:00,908 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 73 transitions. Word has length 4 [2022-02-21 00:00:00,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:00,909 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 73 transitions. [2022-02-21 00:00:00,909 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:00,909 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 73 transitions. [2022-02-21 00:00:00,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-02-21 00:00:00,909 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:00,910 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2022-02-21 00:00:00,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-21 00:00:00,910 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 31 more)] === [2022-02-21 00:00:00,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:00,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1079623, now seen corresponding path program 1 times [2022-02-21 00:00:00,912 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:00,913 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539585856] [2022-02-21 00:00:00,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:00,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:00,983 INFO L290 TraceCheckUtils]: 0: Hoare triple {425#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {425#true} is VALID [2022-02-21 00:00:00,984 INFO L290 TraceCheckUtils]: 1: Hoare triple {425#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {427#(and (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:00,985 INFO L290 TraceCheckUtils]: 2: Hoare triple {427#(and (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {427#(and (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:00,986 INFO L290 TraceCheckUtils]: 3: Hoare triple {427#(and (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !(4 + (4 + dll_circular_create_~last~0#1.offset) <= #length[dll_circular_create_~last~0#1.base] && 0 <= 4 + dll_circular_create_~last~0#1.offset); {426#false} is VALID [2022-02-21 00:00:00,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:00,987 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:00,987 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539585856] [2022-02-21 00:00:00,991 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539585856] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:00,991 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:00,992 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-21 00:00:00,992 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722198325] [2022-02-21 00:00:00,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:00,993 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-02-21 00:00:00,993 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:00,993 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:00,997 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:00,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-21 00:00:00,998 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:00,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 00:00:00,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 00:00:01,000 INFO L87 Difference]: Start difference. First operand 70 states and 73 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:01,109 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2022-02-21 00:00:01,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 00:00:01,110 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-02-21 00:00:01,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:01,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 73 transitions. [2022-02-21 00:00:01,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 73 transitions. [2022-02-21 00:00:01,113 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 73 transitions. [2022-02-21 00:00:01,175 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:01,176 INFO L225 Difference]: With dead ends: 66 [2022-02-21 00:00:01,176 INFO L226 Difference]: Without dead ends: 66 [2022-02-21 00:00:01,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 00:00:01,177 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 65 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:01,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 40 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-21 00:00:01,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-02-21 00:00:01,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-02-21 00:00:01,180 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:01,181 INFO L82 GeneralOperation]: Start isEquivalent. First operand 66 states. Second operand has 66 states, 39 states have (on average 1.7692307692307692) internal successors, (69), 65 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,181 INFO L74 IsIncluded]: Start isIncluded. First operand 66 states. Second operand has 66 states, 39 states have (on average 1.7692307692307692) internal successors, (69), 65 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,181 INFO L87 Difference]: Start difference. First operand 66 states. Second operand has 66 states, 39 states have (on average 1.7692307692307692) internal successors, (69), 65 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:01,182 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2022-02-21 00:00:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2022-02-21 00:00:01,183 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:01,183 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:01,183 INFO L74 IsIncluded]: Start isIncluded. First operand has 66 states, 39 states have (on average 1.7692307692307692) internal successors, (69), 65 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 66 states. [2022-02-21 00:00:01,184 INFO L87 Difference]: Start difference. First operand has 66 states, 39 states have (on average 1.7692307692307692) internal successors, (69), 65 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 66 states. [2022-02-21 00:00:01,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:01,185 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2022-02-21 00:00:01,185 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2022-02-21 00:00:01,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:01,193 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:01,193 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:01,193 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:01,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 39 states have (on average 1.7692307692307692) internal successors, (69), 65 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2022-02-21 00:00:01,195 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 4 [2022-02-21 00:00:01,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:01,195 INFO L470 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2022-02-21 00:00:01,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,196 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2022-02-21 00:00:01,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-02-21 00:00:01,196 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:01,196 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:01,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-21 00:00:01,196 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 31 more)] === [2022-02-21 00:00:01,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:01,197 INFO L85 PathProgramCache]: Analyzing trace with hash -401980428, now seen corresponding path program 1 times [2022-02-21 00:00:01,197 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:01,197 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371701030] [2022-02-21 00:00:01,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:01,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:01,238 INFO L290 TraceCheckUtils]: 0: Hoare triple {694#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {694#true} is VALID [2022-02-21 00:00:01,239 INFO L290 TraceCheckUtils]: 1: Hoare triple {694#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {694#true} is VALID [2022-02-21 00:00:01,239 INFO L290 TraceCheckUtils]: 2: Hoare triple {694#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {694#true} is VALID [2022-02-21 00:00:01,239 INFO L290 TraceCheckUtils]: 3: Hoare triple {694#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {694#true} is VALID [2022-02-21 00:00:01,239 INFO L290 TraceCheckUtils]: 4: Hoare triple {694#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {694#true} is VALID [2022-02-21 00:00:01,240 INFO L290 TraceCheckUtils]: 5: Hoare triple {694#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {694#true} is VALID [2022-02-21 00:00:01,240 INFO L290 TraceCheckUtils]: 6: Hoare triple {694#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {694#true} is VALID [2022-02-21 00:00:01,240 INFO L290 TraceCheckUtils]: 7: Hoare triple {694#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {696#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:01,241 INFO L290 TraceCheckUtils]: 8: Hoare triple {696#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {696#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:01,241 INFO L290 TraceCheckUtils]: 9: Hoare triple {696#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} assume !(1 == #valid[dll_circular_create_~new_head~0#1.base]); {695#false} is VALID [2022-02-21 00:00:01,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:01,242 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:01,242 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371701030] [2022-02-21 00:00:01,242 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371701030] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:01,242 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:01,242 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-21 00:00:01,243 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463826116] [2022-02-21 00:00:01,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:01,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-02-21 00:00:01,243 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:01,243 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,251 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:01,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-21 00:00:01,252 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:01,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 00:00:01,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 00:00:01,252 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:01,412 INFO L93 Difference]: Finished difference Result 108 states and 114 transitions. [2022-02-21 00:00:01,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 00:00:01,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-02-21 00:00:01,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:01,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 116 transitions. [2022-02-21 00:00:01,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 116 transitions. [2022-02-21 00:00:01,415 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 116 transitions. [2022-02-21 00:00:01,531 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 116 edges. 116 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:01,533 INFO L225 Difference]: With dead ends: 108 [2022-02-21 00:00:01,533 INFO L226 Difference]: Without dead ends: 108 [2022-02-21 00:00:01,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 00:00:01,534 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 53 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:01,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [53 Valid, 118 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-21 00:00:01,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2022-02-21 00:00:01,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 64. [2022-02-21 00:00:01,537 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:01,537 INFO L82 GeneralOperation]: Start isEquivalent. First operand 108 states. Second operand has 64 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 63 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,538 INFO L74 IsIncluded]: Start isIncluded. First operand 108 states. Second operand has 64 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 63 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,538 INFO L87 Difference]: Start difference. First operand 108 states. Second operand has 64 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 63 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:01,540 INFO L93 Difference]: Finished difference Result 108 states and 114 transitions. [2022-02-21 00:00:01,540 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 114 transitions. [2022-02-21 00:00:01,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:01,541 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:01,541 INFO L74 IsIncluded]: Start isIncluded. First operand has 64 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 63 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 108 states. [2022-02-21 00:00:01,541 INFO L87 Difference]: Start difference. First operand has 64 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 63 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 108 states. [2022-02-21 00:00:01,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:01,543 INFO L93 Difference]: Finished difference Result 108 states and 114 transitions. [2022-02-21 00:00:01,543 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 114 transitions. [2022-02-21 00:00:01,544 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:01,544 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:01,544 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:01,544 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:01,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 39 states have (on average 1.7179487179487178) internal successors, (67), 63 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 67 transitions. [2022-02-21 00:00:01,545 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 67 transitions. Word has length 10 [2022-02-21 00:00:01,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:01,546 INFO L470 AbstractCegarLoop]: Abstraction has 64 states and 67 transitions. [2022-02-21 00:00:01,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,546 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2022-02-21 00:00:01,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-02-21 00:00:01,546 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:01,546 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:01,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-21 00:00:01,547 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 31 more)] === [2022-02-21 00:00:01,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:01,547 INFO L85 PathProgramCache]: Analyzing trace with hash -401980427, now seen corresponding path program 1 times [2022-02-21 00:00:01,547 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:01,547 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755434187] [2022-02-21 00:00:01,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:01,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:01,600 INFO L290 TraceCheckUtils]: 0: Hoare triple {1087#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {1087#true} is VALID [2022-02-21 00:00:01,601 INFO L290 TraceCheckUtils]: 1: Hoare triple {1087#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {1087#true} is VALID [2022-02-21 00:00:01,601 INFO L290 TraceCheckUtils]: 2: Hoare triple {1087#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {1087#true} is VALID [2022-02-21 00:00:01,601 INFO L290 TraceCheckUtils]: 3: Hoare triple {1087#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {1087#true} is VALID [2022-02-21 00:00:01,615 INFO L290 TraceCheckUtils]: 4: Hoare triple {1087#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {1087#true} is VALID [2022-02-21 00:00:01,616 INFO L290 TraceCheckUtils]: 5: Hoare triple {1087#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {1087#true} is VALID [2022-02-21 00:00:01,616 INFO L290 TraceCheckUtils]: 6: Hoare triple {1087#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {1087#true} is VALID [2022-02-21 00:00:01,617 INFO L290 TraceCheckUtils]: 7: Hoare triple {1087#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {1089#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (- 12)) 0))} is VALID [2022-02-21 00:00:01,618 INFO L290 TraceCheckUtils]: 8: Hoare triple {1089#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (- 12)) 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {1089#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (- 12)) 0))} is VALID [2022-02-21 00:00:01,618 INFO L290 TraceCheckUtils]: 9: Hoare triple {1089#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (= (+ (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (- 12)) 0))} assume !(4 + (4 + dll_circular_create_~new_head~0#1.offset) <= #length[dll_circular_create_~new_head~0#1.base] && 0 <= 4 + dll_circular_create_~new_head~0#1.offset); {1088#false} is VALID [2022-02-21 00:00:01,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:01,619 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:01,619 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755434187] [2022-02-21 00:00:01,619 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755434187] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:01,619 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:01,619 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-21 00:00:01,620 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859048082] [2022-02-21 00:00:01,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:01,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-02-21 00:00:01,620 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:01,620 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,627 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:01,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-21 00:00:01,628 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:01,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 00:00:01,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 00:00:01,629 INFO L87 Difference]: Start difference. First operand 64 states and 67 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:01,827 INFO L93 Difference]: Finished difference Result 110 states and 116 transitions. [2022-02-21 00:00:01,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 00:00:01,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-02-21 00:00:01,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:01,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2022-02-21 00:00:01,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 118 transitions. [2022-02-21 00:00:01,843 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 118 transitions. [2022-02-21 00:00:01,966 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 118 edges. 118 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:01,968 INFO L225 Difference]: With dead ends: 110 [2022-02-21 00:00:01,968 INFO L226 Difference]: Without dead ends: 110 [2022-02-21 00:00:01,968 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 00:00:01,969 INFO L933 BasicCegarLoop]: 92 mSDtfsCounter, 56 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:01,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 127 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-21 00:00:01,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-02-21 00:00:01,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 62. [2022-02-21 00:00:01,972 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:01,972 INFO L82 GeneralOperation]: Start isEquivalent. First operand 110 states. Second operand has 62 states, 39 states have (on average 1.6666666666666667) internal successors, (65), 61 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,973 INFO L74 IsIncluded]: Start isIncluded. First operand 110 states. Second operand has 62 states, 39 states have (on average 1.6666666666666667) internal successors, (65), 61 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,973 INFO L87 Difference]: Start difference. First operand 110 states. Second operand has 62 states, 39 states have (on average 1.6666666666666667) internal successors, (65), 61 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:01,975 INFO L93 Difference]: Finished difference Result 110 states and 116 transitions. [2022-02-21 00:00:01,975 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 116 transitions. [2022-02-21 00:00:01,975 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:01,975 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:01,976 INFO L74 IsIncluded]: Start isIncluded. First operand has 62 states, 39 states have (on average 1.6666666666666667) internal successors, (65), 61 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 110 states. [2022-02-21 00:00:01,976 INFO L87 Difference]: Start difference. First operand has 62 states, 39 states have (on average 1.6666666666666667) internal successors, (65), 61 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 110 states. [2022-02-21 00:00:01,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:01,978 INFO L93 Difference]: Finished difference Result 110 states and 116 transitions. [2022-02-21 00:00:01,978 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 116 transitions. [2022-02-21 00:00:01,978 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:01,991 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:01,991 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:01,991 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:01,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 39 states have (on average 1.6666666666666667) internal successors, (65), 61 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2022-02-21 00:00:01,993 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 10 [2022-02-21 00:00:01,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:01,993 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2022-02-21 00:00:01,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:01,993 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2022-02-21 00:00:01,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-02-21 00:00:01,994 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:01,994 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:01,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-21 00:00:01,994 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 31 more)] === [2022-02-21 00:00:01,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:01,995 INFO L85 PathProgramCache]: Analyzing trace with hash -401981869, now seen corresponding path program 1 times [2022-02-21 00:00:01,995 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:01,995 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731423026] [2022-02-21 00:00:01,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:01,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:02,049 INFO L290 TraceCheckUtils]: 0: Hoare triple {1484#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {1484#true} is VALID [2022-02-21 00:00:02,050 INFO L290 TraceCheckUtils]: 1: Hoare triple {1484#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {1486#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:02,050 INFO L290 TraceCheckUtils]: 2: Hoare triple {1486#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {1486#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:02,051 INFO L290 TraceCheckUtils]: 3: Hoare triple {1486#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {1486#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:02,051 INFO L290 TraceCheckUtils]: 4: Hoare triple {1486#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {1486#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:02,052 INFO L290 TraceCheckUtils]: 5: Hoare triple {1486#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {1486#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:02,052 INFO L290 TraceCheckUtils]: 6: Hoare triple {1486#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {1486#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:02,053 INFO L290 TraceCheckUtils]: 7: Hoare triple {1486#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} assume !(dll_circular_create_~len#1 > 1); {1485#false} is VALID [2022-02-21 00:00:02,053 INFO L290 TraceCheckUtils]: 8: Hoare triple {1485#false} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {1485#false} is VALID [2022-02-21 00:00:02,053 INFO L290 TraceCheckUtils]: 9: Hoare triple {1485#false} assume !(1 == #valid[dll_circular_create_~head~0#1.base]); {1485#false} is VALID [2022-02-21 00:00:02,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:02,059 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:02,059 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731423026] [2022-02-21 00:00:02,059 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731423026] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:02,059 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:02,059 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-21 00:00:02,060 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316340307] [2022-02-21 00:00:02,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:02,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-02-21 00:00:02,060 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:02,060 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,068 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 10 edges. 10 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:02,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-21 00:00:02,069 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:02,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 00:00:02,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 00:00:02,070 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:02,126 INFO L93 Difference]: Finished difference Result 70 states and 73 transitions. [2022-02-21 00:00:02,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 00:00:02,126 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-02-21 00:00:02,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:02,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 74 transitions. [2022-02-21 00:00:02,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 74 transitions. [2022-02-21 00:00:02,128 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 74 transitions. [2022-02-21 00:00:02,188 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:02,189 INFO L225 Difference]: With dead ends: 70 [2022-02-21 00:00:02,189 INFO L226 Difference]: Without dead ends: 70 [2022-02-21 00:00:02,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 00:00:02,190 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 7 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:02,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 119 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-21 00:00:02,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-02-21 00:00:02,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 63. [2022-02-21 00:00:02,193 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:02,193 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand has 63 states, 40 states have (on average 1.65) internal successors, (66), 62 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,193 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand has 63 states, 40 states have (on average 1.65) internal successors, (66), 62 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,193 INFO L87 Difference]: Start difference. First operand 70 states. Second operand has 63 states, 40 states have (on average 1.65) internal successors, (66), 62 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:02,194 INFO L93 Difference]: Finished difference Result 70 states and 73 transitions. [2022-02-21 00:00:02,195 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 73 transitions. [2022-02-21 00:00:02,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:02,195 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:02,195 INFO L74 IsIncluded]: Start isIncluded. First operand has 63 states, 40 states have (on average 1.65) internal successors, (66), 62 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 70 states. [2022-02-21 00:00:02,195 INFO L87 Difference]: Start difference. First operand has 63 states, 40 states have (on average 1.65) internal successors, (66), 62 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 70 states. [2022-02-21 00:00:02,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:02,197 INFO L93 Difference]: Finished difference Result 70 states and 73 transitions. [2022-02-21 00:00:02,197 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 73 transitions. [2022-02-21 00:00:02,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:02,197 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:02,197 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:02,197 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:02,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 40 states have (on average 1.65) internal successors, (66), 62 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 66 transitions. [2022-02-21 00:00:02,198 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 66 transitions. Word has length 10 [2022-02-21 00:00:02,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:02,199 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 66 transitions. [2022-02-21 00:00:02,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,199 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 66 transitions. [2022-02-21 00:00:02,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-21 00:00:02,199 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:02,199 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:02,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-21 00:00:02,200 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 31 more)] === [2022-02-21 00:00:02,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:02,200 INFO L85 PathProgramCache]: Analyzing trace with hash 243865783, now seen corresponding path program 1 times [2022-02-21 00:00:02,200 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:02,200 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744866830] [2022-02-21 00:00:02,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:02,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:02,269 INFO L290 TraceCheckUtils]: 0: Hoare triple {1762#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {1762#true} is VALID [2022-02-21 00:00:02,271 INFO L290 TraceCheckUtils]: 1: Hoare triple {1762#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {1764#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,271 INFO L290 TraceCheckUtils]: 2: Hoare triple {1764#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {1764#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,272 INFO L290 TraceCheckUtils]: 3: Hoare triple {1764#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {1764#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,272 INFO L290 TraceCheckUtils]: 4: Hoare triple {1764#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {1764#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,273 INFO L290 TraceCheckUtils]: 5: Hoare triple {1764#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {1764#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,273 INFO L290 TraceCheckUtils]: 6: Hoare triple {1764#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {1765#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,274 INFO L290 TraceCheckUtils]: 7: Hoare triple {1765#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {1766#(or (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1))} is VALID [2022-02-21 00:00:02,275 INFO L290 TraceCheckUtils]: 8: Hoare triple {1766#(or (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {1766#(or (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1))} is VALID [2022-02-21 00:00:02,276 INFO L290 TraceCheckUtils]: 9: Hoare triple {1766#(or (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {1765#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,276 INFO L290 TraceCheckUtils]: 10: Hoare triple {1765#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {1765#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:02,277 INFO L290 TraceCheckUtils]: 11: Hoare triple {1765#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} assume !(1 == #valid[dll_circular_create_~head~0#1.base]); {1763#false} is VALID [2022-02-21 00:00:02,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:02,277 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:02,277 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744866830] [2022-02-21 00:00:02,277 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744866830] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:02,277 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:02,278 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-21 00:00:02,278 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680059838] [2022-02-21 00:00:02,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:02,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-21 00:00:02,278 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:02,278 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,287 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:02,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-21 00:00:02,288 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:02,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 00:00:02,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-02-21 00:00:02,289 INFO L87 Difference]: Start difference. First operand 63 states and 66 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:02,474 INFO L93 Difference]: Finished difference Result 85 states and 88 transitions. [2022-02-21 00:00:02,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 00:00:02,474 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-21 00:00:02,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:02,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 89 transitions. [2022-02-21 00:00:02,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 89 transitions. [2022-02-21 00:00:02,476 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 89 transitions. [2022-02-21 00:00:02,543 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:02,544 INFO L225 Difference]: With dead ends: 85 [2022-02-21 00:00:02,544 INFO L226 Difference]: Without dead ends: 85 [2022-02-21 00:00:02,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-02-21 00:00:02,545 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 107 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:02,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [107 Valid, 77 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-21 00:00:02,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-02-21 00:00:02,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 67. [2022-02-21 00:00:02,548 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:02,548 INFO L82 GeneralOperation]: Start isEquivalent. First operand 85 states. Second operand has 67 states, 44 states have (on average 1.6136363636363635) internal successors, (71), 66 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,548 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand has 67 states, 44 states have (on average 1.6136363636363635) internal successors, (71), 66 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,548 INFO L87 Difference]: Start difference. First operand 85 states. Second operand has 67 states, 44 states have (on average 1.6136363636363635) internal successors, (71), 66 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:02,550 INFO L93 Difference]: Finished difference Result 85 states and 88 transitions. [2022-02-21 00:00:02,550 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 88 transitions. [2022-02-21 00:00:02,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:02,550 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:02,550 INFO L74 IsIncluded]: Start isIncluded. First operand has 67 states, 44 states have (on average 1.6136363636363635) internal successors, (71), 66 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 85 states. [2022-02-21 00:00:02,550 INFO L87 Difference]: Start difference. First operand has 67 states, 44 states have (on average 1.6136363636363635) internal successors, (71), 66 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 85 states. [2022-02-21 00:00:02,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:02,552 INFO L93 Difference]: Finished difference Result 85 states and 88 transitions. [2022-02-21 00:00:02,552 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 88 transitions. [2022-02-21 00:00:02,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:02,552 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:02,552 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:02,552 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:02,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.6136363636363635) internal successors, (71), 66 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 71 transitions. [2022-02-21 00:00:02,554 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 71 transitions. Word has length 12 [2022-02-21 00:00:02,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:02,554 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 71 transitions. [2022-02-21 00:00:02,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,554 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2022-02-21 00:00:02,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-02-21 00:00:02,555 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:02,555 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:02,555 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-21 00:00:02,555 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 31 more)] === [2022-02-21 00:00:02,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:02,555 INFO L85 PathProgramCache]: Analyzing trace with hash 243865784, now seen corresponding path program 1 times [2022-02-21 00:00:02,556 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:02,556 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279902879] [2022-02-21 00:00:02,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:02,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:02,632 INFO L290 TraceCheckUtils]: 0: Hoare triple {2095#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {2095#true} is VALID [2022-02-21 00:00:02,633 INFO L290 TraceCheckUtils]: 1: Hoare triple {2095#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {2097#(and (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:02,633 INFO L290 TraceCheckUtils]: 2: Hoare triple {2097#(and (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {2097#(and (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:02,634 INFO L290 TraceCheckUtils]: 3: Hoare triple {2097#(and (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {2098#(and (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:02,634 INFO L290 TraceCheckUtils]: 4: Hoare triple {2098#(and (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {2098#(and (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:02,635 INFO L290 TraceCheckUtils]: 5: Hoare triple {2098#(and (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {2098#(and (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:02,635 INFO L290 TraceCheckUtils]: 6: Hoare triple {2098#(and (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {2099#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1))} is VALID [2022-02-21 00:00:02,636 INFO L290 TraceCheckUtils]: 7: Hoare triple {2099#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {2100#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:02,636 INFO L290 TraceCheckUtils]: 8: Hoare triple {2100#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {2100#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:02,637 INFO L290 TraceCheckUtils]: 9: Hoare triple {2100#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {2100#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:02,637 INFO L290 TraceCheckUtils]: 10: Hoare triple {2100#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {2100#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:02,638 INFO L290 TraceCheckUtils]: 11: Hoare triple {2100#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} assume !(4 + (8 + dll_circular_create_~head~0#1.offset) <= #length[dll_circular_create_~head~0#1.base] && 0 <= 8 + dll_circular_create_~head~0#1.offset); {2096#false} is VALID [2022-02-21 00:00:02,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:02,638 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:02,638 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279902879] [2022-02-21 00:00:02,638 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279902879] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:02,639 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:02,639 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 00:00:02,639 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952253748] [2022-02-21 00:00:02,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:02,639 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-21 00:00:02,639 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:02,640 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,649 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 12 edges. 12 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:02,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-21 00:00:02,649 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:02,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 00:00:02,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-21 00:00:02,650 INFO L87 Difference]: Start difference. First operand 67 states and 71 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:02,848 INFO L93 Difference]: Finished difference Result 85 states and 88 transitions. [2022-02-21 00:00:02,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 00:00:02,849 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-02-21 00:00:02,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:02,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 89 transitions. [2022-02-21 00:00:02,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 89 transitions. [2022-02-21 00:00:02,851 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 89 transitions. [2022-02-21 00:00:02,917 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:02,918 INFO L225 Difference]: With dead ends: 85 [2022-02-21 00:00:02,918 INFO L226 Difference]: Without dead ends: 85 [2022-02-21 00:00:02,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-21 00:00:02,918 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 88 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:02,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 62 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-21 00:00:02,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-02-21 00:00:02,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 67. [2022-02-21 00:00:02,920 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:02,921 INFO L82 GeneralOperation]: Start isEquivalent. First operand 85 states. Second operand has 67 states, 44 states have (on average 1.5909090909090908) internal successors, (70), 66 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,921 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand has 67 states, 44 states have (on average 1.5909090909090908) internal successors, (70), 66 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,921 INFO L87 Difference]: Start difference. First operand 85 states. Second operand has 67 states, 44 states have (on average 1.5909090909090908) internal successors, (70), 66 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:02,923 INFO L93 Difference]: Finished difference Result 85 states and 88 transitions. [2022-02-21 00:00:02,923 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 88 transitions. [2022-02-21 00:00:02,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:02,923 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:02,923 INFO L74 IsIncluded]: Start isIncluded. First operand has 67 states, 44 states have (on average 1.5909090909090908) internal successors, (70), 66 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 85 states. [2022-02-21 00:00:02,924 INFO L87 Difference]: Start difference. First operand has 67 states, 44 states have (on average 1.5909090909090908) internal successors, (70), 66 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 85 states. [2022-02-21 00:00:02,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:02,925 INFO L93 Difference]: Finished difference Result 85 states and 88 transitions. [2022-02-21 00:00:02,925 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 88 transitions. [2022-02-21 00:00:02,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:02,925 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:02,926 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:02,926 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:02,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.5909090909090908) internal successors, (70), 66 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2022-02-21 00:00:02,933 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 12 [2022-02-21 00:00:02,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:02,934 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2022-02-21 00:00:02,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:02,934 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2022-02-21 00:00:02,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-02-21 00:00:02,934 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:02,935 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:02,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-21 00:00:02,935 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 31 more)] === [2022-02-21 00:00:02,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:02,935 INFO L85 PathProgramCache]: Analyzing trace with hash -27720857, now seen corresponding path program 1 times [2022-02-21 00:00:02,936 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:02,936 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083023896] [2022-02-21 00:00:02,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:02,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:02,977 INFO L290 TraceCheckUtils]: 0: Hoare triple {2427#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {2427#true} is VALID [2022-02-21 00:00:02,978 INFO L290 TraceCheckUtils]: 1: Hoare triple {2427#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:02,978 INFO L290 TraceCheckUtils]: 2: Hoare triple {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:02,979 INFO L290 TraceCheckUtils]: 3: Hoare triple {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:02,979 INFO L290 TraceCheckUtils]: 4: Hoare triple {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:02,980 INFO L290 TraceCheckUtils]: 5: Hoare triple {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:02,980 INFO L290 TraceCheckUtils]: 6: Hoare triple {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:02,981 INFO L290 TraceCheckUtils]: 7: Hoare triple {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:02,981 INFO L290 TraceCheckUtils]: 8: Hoare triple {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:02,982 INFO L290 TraceCheckUtils]: 9: Hoare triple {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:02,982 INFO L290 TraceCheckUtils]: 10: Hoare triple {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:02,983 INFO L290 TraceCheckUtils]: 11: Hoare triple {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} is VALID [2022-02-21 00:00:02,983 INFO L290 TraceCheckUtils]: 12: Hoare triple {2429#(= (+ (- 5) |ULTIMATE.start_dll_circular_create_~len#1|) 0)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {2430#(<= 4 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:02,984 INFO L290 TraceCheckUtils]: 13: Hoare triple {2430#(<= 4 |ULTIMATE.start_dll_circular_create_~len#1|)} assume !(dll_circular_create_~len#1 > 1); {2428#false} is VALID [2022-02-21 00:00:02,984 INFO L290 TraceCheckUtils]: 14: Hoare triple {2428#false} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {2428#false} is VALID [2022-02-21 00:00:02,984 INFO L290 TraceCheckUtils]: 15: Hoare triple {2428#false} assume !(1 == #valid[dll_circular_create_~head~0#1.base]); {2428#false} is VALID [2022-02-21 00:00:02,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:02,985 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:02,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083023896] [2022-02-21 00:00:02,985 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083023896] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:02,985 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837036936] [2022-02-21 00:00:02,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:02,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:02,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:02,987 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-21 00:00:03,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-02-21 00:00:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:03,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2022-02-21 00:00:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:03,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:03,179 INFO L290 TraceCheckUtils]: 0: Hoare triple {2427#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {2427#true} is VALID [2022-02-21 00:00:03,180 INFO L290 TraceCheckUtils]: 1: Hoare triple {2427#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,180 INFO L290 TraceCheckUtils]: 2: Hoare triple {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,180 INFO L290 TraceCheckUtils]: 3: Hoare triple {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,181 INFO L290 TraceCheckUtils]: 4: Hoare triple {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,181 INFO L290 TraceCheckUtils]: 5: Hoare triple {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,182 INFO L290 TraceCheckUtils]: 6: Hoare triple {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,182 INFO L290 TraceCheckUtils]: 7: Hoare triple {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,182 INFO L290 TraceCheckUtils]: 8: Hoare triple {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,183 INFO L290 TraceCheckUtils]: 9: Hoare triple {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,183 INFO L290 TraceCheckUtils]: 10: Hoare triple {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,184 INFO L290 TraceCheckUtils]: 11: Hoare triple {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,184 INFO L290 TraceCheckUtils]: 12: Hoare triple {2437#(<= 5 |ULTIMATE.start_dll_circular_create_~len#1|)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {2430#(<= 4 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,185 INFO L290 TraceCheckUtils]: 13: Hoare triple {2430#(<= 4 |ULTIMATE.start_dll_circular_create_~len#1|)} assume !(dll_circular_create_~len#1 > 1); {2428#false} is VALID [2022-02-21 00:00:03,185 INFO L290 TraceCheckUtils]: 14: Hoare triple {2428#false} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {2428#false} is VALID [2022-02-21 00:00:03,185 INFO L290 TraceCheckUtils]: 15: Hoare triple {2428#false} assume !(1 == #valid[dll_circular_create_~head~0#1.base]); {2428#false} is VALID [2022-02-21 00:00:03,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:03,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:03,272 INFO L290 TraceCheckUtils]: 15: Hoare triple {2428#false} assume !(1 == #valid[dll_circular_create_~head~0#1.base]); {2428#false} is VALID [2022-02-21 00:00:03,273 INFO L290 TraceCheckUtils]: 14: Hoare triple {2428#false} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {2428#false} is VALID [2022-02-21 00:00:03,273 INFO L290 TraceCheckUtils]: 13: Hoare triple {2486#(< 1 |ULTIMATE.start_dll_circular_create_~len#1|)} assume !(dll_circular_create_~len#1 > 1); {2428#false} is VALID [2022-02-21 00:00:03,274 INFO L290 TraceCheckUtils]: 12: Hoare triple {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {2486#(< 1 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,274 INFO L290 TraceCheckUtils]: 11: Hoare triple {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,274 INFO L290 TraceCheckUtils]: 10: Hoare triple {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,275 INFO L290 TraceCheckUtils]: 9: Hoare triple {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,275 INFO L290 TraceCheckUtils]: 8: Hoare triple {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,275 INFO L290 TraceCheckUtils]: 7: Hoare triple {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,275 INFO L290 TraceCheckUtils]: 6: Hoare triple {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,276 INFO L290 TraceCheckUtils]: 5: Hoare triple {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,276 INFO L290 TraceCheckUtils]: 4: Hoare triple {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,276 INFO L290 TraceCheckUtils]: 3: Hoare triple {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,277 INFO L290 TraceCheckUtils]: 2: Hoare triple {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,277 INFO L290 TraceCheckUtils]: 1: Hoare triple {2427#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {2490#(< 2 |ULTIMATE.start_dll_circular_create_~len#1|)} is VALID [2022-02-21 00:00:03,278 INFO L290 TraceCheckUtils]: 0: Hoare triple {2427#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {2427#true} is VALID [2022-02-21 00:00:03,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:03,278 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837036936] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-21 00:00:03,278 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-21 00:00:03,278 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-02-21 00:00:03,278 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818326670] [2022-02-21 00:00:03,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-21 00:00:03,279 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-02-21 00:00:03,279 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:03,279 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:03,309 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:03,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-21 00:00:03,309 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:03,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-21 00:00:03,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-02-21 00:00:03,310 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:03,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:03,429 INFO L93 Difference]: Finished difference Result 85 states and 88 transitions. [2022-02-21 00:00:03,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 00:00:03,429 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-02-21 00:00:03,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:03,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:03,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 91 transitions. [2022-02-21 00:00:03,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:03,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 91 transitions. [2022-02-21 00:00:03,432 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 91 transitions. [2022-02-21 00:00:03,510 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 91 edges. 91 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:03,511 INFO L225 Difference]: With dead ends: 85 [2022-02-21 00:00:03,511 INFO L226 Difference]: Without dead ends: 85 [2022-02-21 00:00:03,512 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-02-21 00:00:03,512 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 33 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:03,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 181 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-21 00:00:03,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-02-21 00:00:03,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 81. [2022-02-21 00:00:03,515 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:03,515 INFO L82 GeneralOperation]: Start isEquivalent. First operand 85 states. Second operand has 81 states, 58 states have (on average 1.5172413793103448) internal successors, (88), 80 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:03,515 INFO L74 IsIncluded]: Start isIncluded. First operand 85 states. Second operand has 81 states, 58 states have (on average 1.5172413793103448) internal successors, (88), 80 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:03,515 INFO L87 Difference]: Start difference. First operand 85 states. Second operand has 81 states, 58 states have (on average 1.5172413793103448) internal successors, (88), 80 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:03,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:03,517 INFO L93 Difference]: Finished difference Result 85 states and 88 transitions. [2022-02-21 00:00:03,517 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 88 transitions. [2022-02-21 00:00:03,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:03,517 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:03,517 INFO L74 IsIncluded]: Start isIncluded. First operand has 81 states, 58 states have (on average 1.5172413793103448) internal successors, (88), 80 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 85 states. [2022-02-21 00:00:03,518 INFO L87 Difference]: Start difference. First operand has 81 states, 58 states have (on average 1.5172413793103448) internal successors, (88), 80 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 85 states. [2022-02-21 00:00:03,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:03,519 INFO L93 Difference]: Finished difference Result 85 states and 88 transitions. [2022-02-21 00:00:03,519 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 88 transitions. [2022-02-21 00:00:03,519 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:03,519 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:03,520 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:03,520 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:03,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 58 states have (on average 1.5172413793103448) internal successors, (88), 80 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:03,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 88 transitions. [2022-02-21 00:00:03,521 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 88 transitions. Word has length 16 [2022-02-21 00:00:03,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:03,521 INFO L470 AbstractCegarLoop]: Abstraction has 81 states and 88 transitions. [2022-02-21 00:00:03,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:03,522 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 88 transitions. [2022-02-21 00:00:03,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-21 00:00:03,522 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:03,522 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:03,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-02-21 00:00:03,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:03,743 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 31 more)] === [2022-02-21 00:00:03,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:03,743 INFO L85 PathProgramCache]: Analyzing trace with hash -868554549, now seen corresponding path program 1 times [2022-02-21 00:00:03,744 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:03,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432593883] [2022-02-21 00:00:03,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:03,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:03,927 INFO L290 TraceCheckUtils]: 0: Hoare triple {2862#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {2862#true} is VALID [2022-02-21 00:00:03,927 INFO L290 TraceCheckUtils]: 1: Hoare triple {2862#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {2862#true} is VALID [2022-02-21 00:00:03,927 INFO L290 TraceCheckUtils]: 2: Hoare triple {2862#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {2862#true} is VALID [2022-02-21 00:00:03,928 INFO L290 TraceCheckUtils]: 3: Hoare triple {2862#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {2862#true} is VALID [2022-02-21 00:00:03,928 INFO L290 TraceCheckUtils]: 4: Hoare triple {2862#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {2862#true} is VALID [2022-02-21 00:00:03,928 INFO L290 TraceCheckUtils]: 5: Hoare triple {2862#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {2862#true} is VALID [2022-02-21 00:00:03,928 INFO L290 TraceCheckUtils]: 6: Hoare triple {2862#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {2862#true} is VALID [2022-02-21 00:00:03,929 INFO L290 TraceCheckUtils]: 7: Hoare triple {2862#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:03,930 INFO L290 TraceCheckUtils]: 8: Hoare triple {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:03,930 INFO L290 TraceCheckUtils]: 9: Hoare triple {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:03,930 INFO L290 TraceCheckUtils]: 10: Hoare triple {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:03,931 INFO L290 TraceCheckUtils]: 11: Hoare triple {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:03,932 INFO L290 TraceCheckUtils]: 12: Hoare triple {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:03,932 INFO L290 TraceCheckUtils]: 13: Hoare triple {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {2866#(or (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1))} is VALID [2022-02-21 00:00:03,933 INFO L290 TraceCheckUtils]: 14: Hoare triple {2866#(or (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {2866#(or (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1))} is VALID [2022-02-21 00:00:03,934 INFO L290 TraceCheckUtils]: 15: Hoare triple {2866#(or (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:03,934 INFO L290 TraceCheckUtils]: 16: Hoare triple {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:03,935 INFO L290 TraceCheckUtils]: 17: Hoare triple {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} assume !(1 == #valid[dll_circular_create_~head~0#1.base]); {2863#false} is VALID [2022-02-21 00:00:03,935 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:03,935 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:03,935 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432593883] [2022-02-21 00:00:03,935 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432593883] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:03,935 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1143855870] [2022-02-21 00:00:03,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:03,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:03,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:03,937 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-21 00:00:03,939 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-21 00:00:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:04,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 11 conjunts are in the unsatisfiable core [2022-02-21 00:00:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:04,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:04,076 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-21 00:00:04,136 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-21 00:00:04,136 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-21 00:00:04,152 INFO L290 TraceCheckUtils]: 0: Hoare triple {2862#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {2862#true} is VALID [2022-02-21 00:00:04,153 INFO L290 TraceCheckUtils]: 1: Hoare triple {2862#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {2862#true} is VALID [2022-02-21 00:00:04,153 INFO L290 TraceCheckUtils]: 2: Hoare triple {2862#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {2862#true} is VALID [2022-02-21 00:00:04,153 INFO L290 TraceCheckUtils]: 3: Hoare triple {2862#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {2862#true} is VALID [2022-02-21 00:00:04,153 INFO L290 TraceCheckUtils]: 4: Hoare triple {2862#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {2862#true} is VALID [2022-02-21 00:00:04,153 INFO L290 TraceCheckUtils]: 5: Hoare triple {2862#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {2862#true} is VALID [2022-02-21 00:00:04,153 INFO L290 TraceCheckUtils]: 6: Hoare triple {2862#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {2862#true} is VALID [2022-02-21 00:00:04,154 INFO L290 TraceCheckUtils]: 7: Hoare triple {2862#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:04,154 INFO L290 TraceCheckUtils]: 8: Hoare triple {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:04,155 INFO L290 TraceCheckUtils]: 9: Hoare triple {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:04,155 INFO L290 TraceCheckUtils]: 10: Hoare triple {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:04,155 INFO L290 TraceCheckUtils]: 11: Hoare triple {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:04,156 INFO L290 TraceCheckUtils]: 12: Hoare triple {2864#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:04,156 INFO L290 TraceCheckUtils]: 13: Hoare triple {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:04,157 INFO L290 TraceCheckUtils]: 14: Hoare triple {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:04,157 INFO L290 TraceCheckUtils]: 15: Hoare triple {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:04,157 INFO L290 TraceCheckUtils]: 16: Hoare triple {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:04,158 INFO L290 TraceCheckUtils]: 17: Hoare triple {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} assume !(1 == #valid[dll_circular_create_~head~0#1.base]); {2863#false} is VALID [2022-02-21 00:00:04,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:04,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:04,517 INFO L290 TraceCheckUtils]: 17: Hoare triple {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} assume !(1 == #valid[dll_circular_create_~head~0#1.base]); {2863#false} is VALID [2022-02-21 00:00:04,517 INFO L290 TraceCheckUtils]: 16: Hoare triple {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:04,518 INFO L290 TraceCheckUtils]: 15: Hoare triple {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:04,520 INFO L290 TraceCheckUtils]: 14: Hoare triple {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:04,520 INFO L290 TraceCheckUtils]: 13: Hoare triple {2933#(forall ((v_ArrVal_345 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| v_ArrVal_345) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15|) 0))))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {2865#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:04,521 INFO L290 TraceCheckUtils]: 12: Hoare triple {2937#(forall ((v_ArrVal_345 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| v_ArrVal_345) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15|) 0))))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {2933#(forall ((v_ArrVal_345 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| v_ArrVal_345) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15|) 0))))} is VALID [2022-02-21 00:00:04,521 INFO L290 TraceCheckUtils]: 11: Hoare triple {2937#(forall ((v_ArrVal_345 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| v_ArrVal_345) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15|) 0))))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {2937#(forall ((v_ArrVal_345 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| v_ArrVal_345) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15|) 0))))} is VALID [2022-02-21 00:00:04,522 INFO L290 TraceCheckUtils]: 10: Hoare triple {2937#(forall ((v_ArrVal_345 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| v_ArrVal_345) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15|) 0))))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {2937#(forall ((v_ArrVal_345 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| v_ArrVal_345) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15|) 0))))} is VALID [2022-02-21 00:00:04,522 INFO L290 TraceCheckUtils]: 9: Hoare triple {2937#(forall ((v_ArrVal_345 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| v_ArrVal_345) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15|) 0))))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {2937#(forall ((v_ArrVal_345 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| v_ArrVal_345) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15|) 0))))} is VALID [2022-02-21 00:00:04,522 INFO L290 TraceCheckUtils]: 8: Hoare triple {2937#(forall ((v_ArrVal_345 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| v_ArrVal_345) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15|) 0))))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {2937#(forall ((v_ArrVal_345 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| v_ArrVal_345) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15|) 0))))} is VALID [2022-02-21 00:00:04,523 INFO L290 TraceCheckUtils]: 7: Hoare triple {2862#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {2937#(forall ((v_ArrVal_345 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| Int)) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15| v_ArrVal_345) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_15|) 0))))} is VALID [2022-02-21 00:00:04,523 INFO L290 TraceCheckUtils]: 6: Hoare triple {2862#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {2862#true} is VALID [2022-02-21 00:00:04,523 INFO L290 TraceCheckUtils]: 5: Hoare triple {2862#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {2862#true} is VALID [2022-02-21 00:00:04,524 INFO L290 TraceCheckUtils]: 4: Hoare triple {2862#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {2862#true} is VALID [2022-02-21 00:00:04,524 INFO L290 TraceCheckUtils]: 3: Hoare triple {2862#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {2862#true} is VALID [2022-02-21 00:00:04,524 INFO L290 TraceCheckUtils]: 2: Hoare triple {2862#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {2862#true} is VALID [2022-02-21 00:00:04,524 INFO L290 TraceCheckUtils]: 1: Hoare triple {2862#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {2862#true} is VALID [2022-02-21 00:00:04,524 INFO L290 TraceCheckUtils]: 0: Hoare triple {2862#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {2862#true} is VALID [2022-02-21 00:00:04,525 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:04,525 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1143855870] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-21 00:00:04,525 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-21 00:00:04,525 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 4] total 6 [2022-02-21 00:00:04,525 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618035629] [2022-02-21 00:00:04,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-21 00:00:04,526 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-02-21 00:00:04,526 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:04,526 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:04,557 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 28 edges. 28 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:04,557 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-21 00:00:04,557 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:04,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-21 00:00:04,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-02-21 00:00:04,558 INFO L87 Difference]: Start difference. First operand 81 states and 88 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:04,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:04,774 INFO L93 Difference]: Finished difference Result 96 states and 101 transitions. [2022-02-21 00:00:04,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 00:00:04,774 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-02-21 00:00:04,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:04,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:04,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 87 transitions. [2022-02-21 00:00:04,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:04,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 87 transitions. [2022-02-21 00:00:04,785 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 87 transitions. [2022-02-21 00:00:04,858 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 87 edges. 87 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:04,859 INFO L225 Difference]: With dead ends: 96 [2022-02-21 00:00:04,859 INFO L226 Difference]: Without dead ends: 96 [2022-02-21 00:00:04,859 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-02-21 00:00:04,861 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 52 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 51 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:04,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [52 Valid, 112 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 65 Invalid, 0 Unknown, 51 Unchecked, 0.1s Time] [2022-02-21 00:00:04,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-02-21 00:00:04,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 79. [2022-02-21 00:00:04,867 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:04,867 INFO L82 GeneralOperation]: Start isEquivalent. First operand 96 states. Second operand has 79 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 78 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:04,868 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand has 79 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 78 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:04,871 INFO L87 Difference]: Start difference. First operand 96 states. Second operand has 79 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 78 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:04,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:04,873 INFO L93 Difference]: Finished difference Result 96 states and 101 transitions. [2022-02-21 00:00:04,873 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 101 transitions. [2022-02-21 00:00:04,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:04,873 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:04,874 INFO L74 IsIncluded]: Start isIncluded. First operand has 79 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 78 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 96 states. [2022-02-21 00:00:04,874 INFO L87 Difference]: Start difference. First operand has 79 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 78 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 96 states. [2022-02-21 00:00:04,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:04,875 INFO L93 Difference]: Finished difference Result 96 states and 101 transitions. [2022-02-21 00:00:04,875 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 101 transitions. [2022-02-21 00:00:04,876 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:04,876 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:04,876 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:04,876 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:04,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 58 states have (on average 1.4482758620689655) internal successors, (84), 78 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:04,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 84 transitions. [2022-02-21 00:00:04,877 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 84 transitions. Word has length 18 [2022-02-21 00:00:04,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:04,877 INFO L470 AbstractCegarLoop]: Abstraction has 79 states and 84 transitions. [2022-02-21 00:00:04,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:04,877 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2022-02-21 00:00:04,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-02-21 00:00:04,878 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:04,878 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:04,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-21 00:00:05,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-02-21 00:00:05,095 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 31 more)] === [2022-02-21 00:00:05,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:05,095 INFO L85 PathProgramCache]: Analyzing trace with hash -868554548, now seen corresponding path program 1 times [2022-02-21 00:00:05,096 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:05,096 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630491599] [2022-02-21 00:00:05,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:05,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:05,151 INFO L290 TraceCheckUtils]: 0: Hoare triple {3343#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {3343#true} is VALID [2022-02-21 00:00:05,152 INFO L290 TraceCheckUtils]: 1: Hoare triple {3343#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {3343#true} is VALID [2022-02-21 00:00:05,152 INFO L290 TraceCheckUtils]: 2: Hoare triple {3343#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {3343#true} is VALID [2022-02-21 00:00:05,152 INFO L290 TraceCheckUtils]: 3: Hoare triple {3343#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {3343#true} is VALID [2022-02-21 00:00:05,152 INFO L290 TraceCheckUtils]: 4: Hoare triple {3343#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {3343#true} is VALID [2022-02-21 00:00:05,152 INFO L290 TraceCheckUtils]: 5: Hoare triple {3343#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {3343#true} is VALID [2022-02-21 00:00:05,152 INFO L290 TraceCheckUtils]: 6: Hoare triple {3343#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {3343#true} is VALID [2022-02-21 00:00:05,153 INFO L290 TraceCheckUtils]: 7: Hoare triple {3343#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {3345#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:05,153 INFO L290 TraceCheckUtils]: 8: Hoare triple {3345#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {3345#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:05,154 INFO L290 TraceCheckUtils]: 9: Hoare triple {3345#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3345#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:05,155 INFO L290 TraceCheckUtils]: 10: Hoare triple {3345#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3345#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:05,155 INFO L290 TraceCheckUtils]: 11: Hoare triple {3345#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {3345#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:05,156 INFO L290 TraceCheckUtils]: 12: Hoare triple {3345#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {3346#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} is VALID [2022-02-21 00:00:05,156 INFO L290 TraceCheckUtils]: 13: Hoare triple {3346#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {3346#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} is VALID [2022-02-21 00:00:05,157 INFO L290 TraceCheckUtils]: 14: Hoare triple {3346#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {3346#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} is VALID [2022-02-21 00:00:05,157 INFO L290 TraceCheckUtils]: 15: Hoare triple {3346#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3346#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} is VALID [2022-02-21 00:00:05,158 INFO L290 TraceCheckUtils]: 16: Hoare triple {3346#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3346#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} is VALID [2022-02-21 00:00:05,158 INFO L290 TraceCheckUtils]: 17: Hoare triple {3346#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} assume !(4 + (8 + dll_circular_create_~head~0#1.offset) <= #length[dll_circular_create_~head~0#1.base] && 0 <= 8 + dll_circular_create_~head~0#1.offset); {3344#false} is VALID [2022-02-21 00:00:05,158 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:05,158 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:05,159 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630491599] [2022-02-21 00:00:05,159 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630491599] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:05,159 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576358948] [2022-02-21 00:00:05,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:05,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:05,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:05,160 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-21 00:00:05,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-21 00:00:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:05,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 15 conjunts are in the unsatisfiable core [2022-02-21 00:00:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:05,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:05,285 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-21 00:00:05,293 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-21 00:00:05,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:05,411 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-02-21 00:00:05,421 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-21 00:00:05,421 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-21 00:00:05,467 INFO L290 TraceCheckUtils]: 0: Hoare triple {3343#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {3343#true} is VALID [2022-02-21 00:00:05,468 INFO L290 TraceCheckUtils]: 1: Hoare triple {3343#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {3343#true} is VALID [2022-02-21 00:00:05,468 INFO L290 TraceCheckUtils]: 2: Hoare triple {3343#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {3343#true} is VALID [2022-02-21 00:00:05,468 INFO L290 TraceCheckUtils]: 3: Hoare triple {3343#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {3343#true} is VALID [2022-02-21 00:00:05,468 INFO L290 TraceCheckUtils]: 4: Hoare triple {3343#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {3343#true} is VALID [2022-02-21 00:00:05,468 INFO L290 TraceCheckUtils]: 5: Hoare triple {3343#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {3343#true} is VALID [2022-02-21 00:00:05,468 INFO L290 TraceCheckUtils]: 6: Hoare triple {3343#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {3343#true} is VALID [2022-02-21 00:00:05,471 INFO L290 TraceCheckUtils]: 7: Hoare triple {3343#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {3371#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:05,472 INFO L290 TraceCheckUtils]: 8: Hoare triple {3371#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {3371#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:05,472 INFO L290 TraceCheckUtils]: 9: Hoare triple {3371#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3371#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:05,473 INFO L290 TraceCheckUtils]: 10: Hoare triple {3371#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3371#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:05,474 INFO L290 TraceCheckUtils]: 11: Hoare triple {3371#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {3371#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:05,474 INFO L290 TraceCheckUtils]: 12: Hoare triple {3371#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {3387#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1))} is VALID [2022-02-21 00:00:05,475 INFO L290 TraceCheckUtils]: 13: Hoare triple {3387#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {3391#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:05,475 INFO L290 TraceCheckUtils]: 14: Hoare triple {3391#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {3391#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:05,476 INFO L290 TraceCheckUtils]: 15: Hoare triple {3391#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3391#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:05,476 INFO L290 TraceCheckUtils]: 16: Hoare triple {3391#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3391#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:05,477 INFO L290 TraceCheckUtils]: 17: Hoare triple {3391#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 12 (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} assume !(4 + (8 + dll_circular_create_~head~0#1.offset) <= #length[dll_circular_create_~head~0#1.base] && 0 <= 8 + dll_circular_create_~head~0#1.offset); {3344#false} is VALID [2022-02-21 00:00:05,477 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:05,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:06,023 INFO L290 TraceCheckUtils]: 17: Hoare triple {3404#(and (<= (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 12) (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (<= 0 (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8)))} assume !(4 + (8 + dll_circular_create_~head~0#1.offset) <= #length[dll_circular_create_~head~0#1.base] && 0 <= 8 + dll_circular_create_~head~0#1.offset); {3344#false} is VALID [2022-02-21 00:00:06,024 INFO L290 TraceCheckUtils]: 16: Hoare triple {3404#(and (<= (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 12) (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (<= 0 (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8)))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3404#(and (<= (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 12) (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (<= 0 (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8)))} is VALID [2022-02-21 00:00:06,025 INFO L290 TraceCheckUtils]: 15: Hoare triple {3404#(and (<= (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 12) (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (<= 0 (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3404#(and (<= (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 12) (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (<= 0 (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8)))} is VALID [2022-02-21 00:00:06,025 INFO L290 TraceCheckUtils]: 14: Hoare triple {3404#(and (<= (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 12) (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (<= 0 (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8)))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {3404#(and (<= (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 12) (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (<= 0 (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8)))} is VALID [2022-02-21 00:00:06,027 INFO L290 TraceCheckUtils]: 13: Hoare triple {3417#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| Int)) (or (and (forall ((v_ArrVal_456 Int)) (<= (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 12) (select (store |#length| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| v_ArrVal_456) |ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (<= 0 (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17|) 0))))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {3404#(and (<= (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 12) (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (<= 0 (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8)))} is VALID [2022-02-21 00:00:06,031 INFO L290 TraceCheckUtils]: 12: Hoare triple {3421#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| Int)) (or (and (<= 0 (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 8)) (forall ((v_ArrVal_456 Int)) (<= (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 12) (select (store |#length| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| v_ArrVal_456) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17|) 0))))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {3417#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| Int)) (or (and (forall ((v_ArrVal_456 Int)) (<= (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 12) (select (store |#length| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| v_ArrVal_456) |ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (<= 0 (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17|) 0))))} is VALID [2022-02-21 00:00:06,032 INFO L290 TraceCheckUtils]: 11: Hoare triple {3421#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| Int)) (or (and (<= 0 (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 8)) (forall ((v_ArrVal_456 Int)) (<= (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 12) (select (store |#length| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| v_ArrVal_456) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17|) 0))))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {3421#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| Int)) (or (and (<= 0 (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 8)) (forall ((v_ArrVal_456 Int)) (<= (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 12) (select (store |#length| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| v_ArrVal_456) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17|) 0))))} is VALID [2022-02-21 00:00:06,033 INFO L290 TraceCheckUtils]: 10: Hoare triple {3421#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| Int)) (or (and (<= 0 (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 8)) (forall ((v_ArrVal_456 Int)) (<= (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 12) (select (store |#length| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| v_ArrVal_456) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17|) 0))))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3421#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| Int)) (or (and (<= 0 (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 8)) (forall ((v_ArrVal_456 Int)) (<= (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 12) (select (store |#length| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| v_ArrVal_456) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17|) 0))))} is VALID [2022-02-21 00:00:06,035 INFO L290 TraceCheckUtils]: 9: Hoare triple {3421#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| Int)) (or (and (<= 0 (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 8)) (forall ((v_ArrVal_456 Int)) (<= (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 12) (select (store |#length| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| v_ArrVal_456) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17|) 0))))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3421#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| Int)) (or (and (<= 0 (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 8)) (forall ((v_ArrVal_456 Int)) (<= (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 12) (select (store |#length| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| v_ArrVal_456) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17|) 0))))} is VALID [2022-02-21 00:00:06,036 INFO L290 TraceCheckUtils]: 8: Hoare triple {3421#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| Int)) (or (and (<= 0 (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 8)) (forall ((v_ArrVal_456 Int)) (<= (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 12) (select (store |#length| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| v_ArrVal_456) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17|) 0))))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {3421#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| Int)) (or (and (<= 0 (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 8)) (forall ((v_ArrVal_456 Int)) (<= (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 12) (select (store |#length| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| v_ArrVal_456) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17|) 0))))} is VALID [2022-02-21 00:00:06,037 INFO L290 TraceCheckUtils]: 7: Hoare triple {3343#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {3421#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| Int)) (or (and (<= 0 (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 8)) (forall ((v_ArrVal_456 Int)) (<= (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 12) (select (store |#length| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17| v_ArrVal_456) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_17|) 0))))} is VALID [2022-02-21 00:00:06,037 INFO L290 TraceCheckUtils]: 6: Hoare triple {3343#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {3343#true} is VALID [2022-02-21 00:00:06,038 INFO L290 TraceCheckUtils]: 5: Hoare triple {3343#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {3343#true} is VALID [2022-02-21 00:00:06,038 INFO L290 TraceCheckUtils]: 4: Hoare triple {3343#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {3343#true} is VALID [2022-02-21 00:00:06,038 INFO L290 TraceCheckUtils]: 3: Hoare triple {3343#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {3343#true} is VALID [2022-02-21 00:00:06,038 INFO L290 TraceCheckUtils]: 2: Hoare triple {3343#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {3343#true} is VALID [2022-02-21 00:00:06,038 INFO L290 TraceCheckUtils]: 1: Hoare triple {3343#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {3343#true} is VALID [2022-02-21 00:00:06,039 INFO L290 TraceCheckUtils]: 0: Hoare triple {3343#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {3343#true} is VALID [2022-02-21 00:00:06,039 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:06,039 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576358948] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-21 00:00:06,039 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-21 00:00:06,039 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 9 [2022-02-21 00:00:06,040 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507245301] [2022-02-21 00:00:06,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-21 00:00:06,040 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-02-21 00:00:06,040 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:06,040 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:06,094 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 40 edges. 40 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:06,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-21 00:00:06,094 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:06,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-21 00:00:06,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-02-21 00:00:06,095 INFO L87 Difference]: Start difference. First operand 79 states and 84 transitions. Second operand has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:06,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:06,512 INFO L93 Difference]: Finished difference Result 94 states and 97 transitions. [2022-02-21 00:00:06,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-21 00:00:06,512 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-02-21 00:00:06,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:06,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:06,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 86 transitions. [2022-02-21 00:00:06,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:06,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 86 transitions. [2022-02-21 00:00:06,514 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 86 transitions. [2022-02-21 00:00:06,596 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:06,597 INFO L225 Difference]: With dead ends: 94 [2022-02-21 00:00:06,597 INFO L226 Difference]: Without dead ends: 94 [2022-02-21 00:00:06,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2022-02-21 00:00:06,598 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 215 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 68 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:06,598 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 71 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 74 Invalid, 0 Unknown, 68 Unchecked, 0.1s Time] [2022-02-21 00:00:06,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-02-21 00:00:06,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 77. [2022-02-21 00:00:06,601 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:06,602 INFO L82 GeneralOperation]: Start isEquivalent. First operand 94 states. Second operand has 77 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 76 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:06,602 INFO L74 IsIncluded]: Start isIncluded. First operand 94 states. Second operand has 77 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 76 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:06,602 INFO L87 Difference]: Start difference. First operand 94 states. Second operand has 77 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 76 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:06,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:06,604 INFO L93 Difference]: Finished difference Result 94 states and 97 transitions. [2022-02-21 00:00:06,604 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 97 transitions. [2022-02-21 00:00:06,604 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:06,605 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:06,605 INFO L74 IsIncluded]: Start isIncluded. First operand has 77 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 76 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 94 states. [2022-02-21 00:00:06,605 INFO L87 Difference]: Start difference. First operand has 77 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 76 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 94 states. [2022-02-21 00:00:06,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:06,607 INFO L93 Difference]: Finished difference Result 94 states and 97 transitions. [2022-02-21 00:00:06,607 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 97 transitions. [2022-02-21 00:00:06,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:06,607 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:06,607 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:06,607 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:06,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.3793103448275863) internal successors, (80), 76 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:06,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 80 transitions. [2022-02-21 00:00:06,609 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 80 transitions. Word has length 18 [2022-02-21 00:00:06,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:06,609 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 80 transitions. [2022-02-21 00:00:06,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:06,610 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2022-02-21 00:00:06,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-21 00:00:06,610 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:06,611 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:06,652 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-02-21 00:00:06,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:06,831 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 31 more)] === [2022-02-21 00:00:06,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:06,832 INFO L85 PathProgramCache]: Analyzing trace with hash 140768543, now seen corresponding path program 1 times [2022-02-21 00:00:06,832 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:06,832 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380677483] [2022-02-21 00:00:06,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:06,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:06,919 INFO L290 TraceCheckUtils]: 0: Hoare triple {3826#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {3826#true} is VALID [2022-02-21 00:00:06,919 INFO L290 TraceCheckUtils]: 1: Hoare triple {3826#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {3826#true} is VALID [2022-02-21 00:00:06,919 INFO L290 TraceCheckUtils]: 2: Hoare triple {3826#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {3826#true} is VALID [2022-02-21 00:00:06,919 INFO L290 TraceCheckUtils]: 3: Hoare triple {3826#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {3826#true} is VALID [2022-02-21 00:00:06,920 INFO L290 TraceCheckUtils]: 4: Hoare triple {3826#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {3826#true} is VALID [2022-02-21 00:00:06,920 INFO L290 TraceCheckUtils]: 5: Hoare triple {3826#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {3826#true} is VALID [2022-02-21 00:00:06,920 INFO L290 TraceCheckUtils]: 6: Hoare triple {3826#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {3826#true} is VALID [2022-02-21 00:00:06,920 INFO L290 TraceCheckUtils]: 7: Hoare triple {3826#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {3826#true} is VALID [2022-02-21 00:00:06,920 INFO L290 TraceCheckUtils]: 8: Hoare triple {3826#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {3826#true} is VALID [2022-02-21 00:00:06,920 INFO L290 TraceCheckUtils]: 9: Hoare triple {3826#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3826#true} is VALID [2022-02-21 00:00:06,921 INFO L290 TraceCheckUtils]: 10: Hoare triple {3826#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3826#true} is VALID [2022-02-21 00:00:06,921 INFO L290 TraceCheckUtils]: 11: Hoare triple {3826#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {3826#true} is VALID [2022-02-21 00:00:06,921 INFO L290 TraceCheckUtils]: 12: Hoare triple {3826#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {3826#true} is VALID [2022-02-21 00:00:06,921 INFO L290 TraceCheckUtils]: 13: Hoare triple {3826#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {3826#true} is VALID [2022-02-21 00:00:06,921 INFO L290 TraceCheckUtils]: 14: Hoare triple {3826#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {3826#true} is VALID [2022-02-21 00:00:06,921 INFO L290 TraceCheckUtils]: 15: Hoare triple {3826#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3826#true} is VALID [2022-02-21 00:00:06,922 INFO L290 TraceCheckUtils]: 16: Hoare triple {3826#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3826#true} is VALID [2022-02-21 00:00:06,922 INFO L290 TraceCheckUtils]: 17: Hoare triple {3826#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {3826#true} is VALID [2022-02-21 00:00:06,922 INFO L290 TraceCheckUtils]: 18: Hoare triple {3826#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {3826#true} is VALID [2022-02-21 00:00:06,922 INFO L290 TraceCheckUtils]: 19: Hoare triple {3826#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {3826#true} is VALID [2022-02-21 00:00:06,922 INFO L290 TraceCheckUtils]: 20: Hoare triple {3826#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {3826#true} is VALID [2022-02-21 00:00:06,922 INFO L290 TraceCheckUtils]: 21: Hoare triple {3826#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3826#true} is VALID [2022-02-21 00:00:06,923 INFO L290 TraceCheckUtils]: 22: Hoare triple {3826#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3826#true} is VALID [2022-02-21 00:00:06,923 INFO L290 TraceCheckUtils]: 23: Hoare triple {3826#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {3826#true} is VALID [2022-02-21 00:00:06,923 INFO L290 TraceCheckUtils]: 24: Hoare triple {3826#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {3826#true} is VALID [2022-02-21 00:00:06,923 INFO L290 TraceCheckUtils]: 25: Hoare triple {3826#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {3826#true} is VALID [2022-02-21 00:00:06,923 INFO L290 TraceCheckUtils]: 26: Hoare triple {3826#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {3826#true} is VALID [2022-02-21 00:00:06,924 INFO L290 TraceCheckUtils]: 27: Hoare triple {3826#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {3828#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:06,924 INFO L290 TraceCheckUtils]: 28: Hoare triple {3828#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {3828#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:06,924 INFO L290 TraceCheckUtils]: 29: Hoare triple {3828#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {3828#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:06,925 INFO L290 TraceCheckUtils]: 30: Hoare triple {3828#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {3829#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:06,926 INFO L290 TraceCheckUtils]: 31: Hoare triple {3829#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} assume !(dll_circular_create_~len#1 > 1); {3829#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:06,927 INFO L290 TraceCheckUtils]: 32: Hoare triple {3829#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {3829#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:06,928 INFO L290 TraceCheckUtils]: 33: Hoare triple {3829#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {3829#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:06,929 INFO L290 TraceCheckUtils]: 34: Hoare triple {3829#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {3830#(= (select |#valid| |ULTIMATE.start_dll_circular_create_#res#1.base|) 1)} is VALID [2022-02-21 00:00:06,935 INFO L290 TraceCheckUtils]: 35: Hoare triple {3830#(= (select |#valid| |ULTIMATE.start_dll_circular_create_#res#1.base|) 1)} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~data_new~0#1 := 1;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset; {3831#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} is VALID [2022-02-21 00:00:06,935 INFO L290 TraceCheckUtils]: 36: Hoare triple {3831#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} assume !(1 == #valid[main_~ptr~0#1.base]); {3827#false} is VALID [2022-02-21 00:00:06,935 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-21 00:00:06,936 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:06,936 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380677483] [2022-02-21 00:00:06,936 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380677483] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:06,936 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:06,936 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 00:00:06,936 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243348426] [2022-02-21 00:00:06,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:06,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-02-21 00:00:06,937 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:06,937 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:06,955 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:06,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-21 00:00:06,955 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:06,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 00:00:06,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-21 00:00:06,956 INFO L87 Difference]: Start difference. First operand 77 states and 80 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:07,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:07,278 INFO L93 Difference]: Finished difference Result 90 states and 93 transitions. [2022-02-21 00:00:07,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-21 00:00:07,278 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-02-21 00:00:07,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:07,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:07,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 86 transitions. [2022-02-21 00:00:07,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:07,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 86 transitions. [2022-02-21 00:00:07,280 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 86 transitions. [2022-02-21 00:00:07,354 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:07,355 INFO L225 Difference]: With dead ends: 90 [2022-02-21 00:00:07,355 INFO L226 Difference]: Without dead ends: 90 [2022-02-21 00:00:07,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-21 00:00:07,356 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 148 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:07,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 76 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-21 00:00:07,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-02-21 00:00:07,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 74. [2022-02-21 00:00:07,358 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:07,358 INFO L82 GeneralOperation]: Start isEquivalent. First operand 90 states. Second operand has 74 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 73 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:07,358 INFO L74 IsIncluded]: Start isIncluded. First operand 90 states. Second operand has 74 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 73 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:07,358 INFO L87 Difference]: Start difference. First operand 90 states. Second operand has 74 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 73 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:07,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:07,360 INFO L93 Difference]: Finished difference Result 90 states and 93 transitions. [2022-02-21 00:00:07,360 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 93 transitions. [2022-02-21 00:00:07,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:07,360 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:07,360 INFO L74 IsIncluded]: Start isIncluded. First operand has 74 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 73 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 90 states. [2022-02-21 00:00:07,361 INFO L87 Difference]: Start difference. First operand has 74 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 73 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 90 states. [2022-02-21 00:00:07,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:07,362 INFO L93 Difference]: Finished difference Result 90 states and 93 transitions. [2022-02-21 00:00:07,362 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 93 transitions. [2022-02-21 00:00:07,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:07,362 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:07,363 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:07,363 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 73 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 78 transitions. [2022-02-21 00:00:07,364 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 78 transitions. Word has length 37 [2022-02-21 00:00:07,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:07,365 INFO L470 AbstractCegarLoop]: Abstraction has 74 states and 78 transitions. [2022-02-21 00:00:07,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:07,365 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2022-02-21 00:00:07,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-02-21 00:00:07,366 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:07,366 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:07,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-21 00:00:07,366 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 31 more)] === [2022-02-21 00:00:07,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:07,367 INFO L85 PathProgramCache]: Analyzing trace with hash 140768544, now seen corresponding path program 1 times [2022-02-21 00:00:07,367 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:07,367 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968120926] [2022-02-21 00:00:07,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:07,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:07,480 INFO L290 TraceCheckUtils]: 0: Hoare triple {4185#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {4185#true} is VALID [2022-02-21 00:00:07,480 INFO L290 TraceCheckUtils]: 1: Hoare triple {4185#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {4185#true} is VALID [2022-02-21 00:00:07,481 INFO L290 TraceCheckUtils]: 2: Hoare triple {4185#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {4185#true} is VALID [2022-02-21 00:00:07,481 INFO L290 TraceCheckUtils]: 3: Hoare triple {4185#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {4185#true} is VALID [2022-02-21 00:00:07,481 INFO L290 TraceCheckUtils]: 4: Hoare triple {4185#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {4185#true} is VALID [2022-02-21 00:00:07,481 INFO L290 TraceCheckUtils]: 5: Hoare triple {4185#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {4185#true} is VALID [2022-02-21 00:00:07,481 INFO L290 TraceCheckUtils]: 6: Hoare triple {4185#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {4185#true} is VALID [2022-02-21 00:00:07,481 INFO L290 TraceCheckUtils]: 7: Hoare triple {4185#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4185#true} is VALID [2022-02-21 00:00:07,481 INFO L290 TraceCheckUtils]: 8: Hoare triple {4185#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4185#true} is VALID [2022-02-21 00:00:07,482 INFO L290 TraceCheckUtils]: 9: Hoare triple {4185#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4185#true} is VALID [2022-02-21 00:00:07,482 INFO L290 TraceCheckUtils]: 10: Hoare triple {4185#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4185#true} is VALID [2022-02-21 00:00:07,482 INFO L290 TraceCheckUtils]: 11: Hoare triple {4185#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4185#true} is VALID [2022-02-21 00:00:07,482 INFO L290 TraceCheckUtils]: 12: Hoare triple {4185#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4185#true} is VALID [2022-02-21 00:00:07,482 INFO L290 TraceCheckUtils]: 13: Hoare triple {4185#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4185#true} is VALID [2022-02-21 00:00:07,482 INFO L290 TraceCheckUtils]: 14: Hoare triple {4185#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4185#true} is VALID [2022-02-21 00:00:07,483 INFO L290 TraceCheckUtils]: 15: Hoare triple {4185#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4185#true} is VALID [2022-02-21 00:00:07,483 INFO L290 TraceCheckUtils]: 16: Hoare triple {4185#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4185#true} is VALID [2022-02-21 00:00:07,483 INFO L290 TraceCheckUtils]: 17: Hoare triple {4185#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4185#true} is VALID [2022-02-21 00:00:07,483 INFO L290 TraceCheckUtils]: 18: Hoare triple {4185#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4185#true} is VALID [2022-02-21 00:00:07,483 INFO L290 TraceCheckUtils]: 19: Hoare triple {4185#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4185#true} is VALID [2022-02-21 00:00:07,483 INFO L290 TraceCheckUtils]: 20: Hoare triple {4185#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4185#true} is VALID [2022-02-21 00:00:07,483 INFO L290 TraceCheckUtils]: 21: Hoare triple {4185#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4185#true} is VALID [2022-02-21 00:00:07,484 INFO L290 TraceCheckUtils]: 22: Hoare triple {4185#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4185#true} is VALID [2022-02-21 00:00:07,484 INFO L290 TraceCheckUtils]: 23: Hoare triple {4185#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4185#true} is VALID [2022-02-21 00:00:07,484 INFO L290 TraceCheckUtils]: 24: Hoare triple {4185#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4185#true} is VALID [2022-02-21 00:00:07,485 INFO L290 TraceCheckUtils]: 25: Hoare triple {4185#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4187#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:07,485 INFO L290 TraceCheckUtils]: 26: Hoare triple {4187#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4187#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:07,486 INFO L290 TraceCheckUtils]: 27: Hoare triple {4187#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4187#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:07,487 INFO L290 TraceCheckUtils]: 28: Hoare triple {4187#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4187#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:07,487 INFO L290 TraceCheckUtils]: 29: Hoare triple {4187#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4187#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:07,488 INFO L290 TraceCheckUtils]: 30: Hoare triple {4187#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4188#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} is VALID [2022-02-21 00:00:07,488 INFO L290 TraceCheckUtils]: 31: Hoare triple {4188#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} assume !(dll_circular_create_~len#1 > 1); {4188#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} is VALID [2022-02-21 00:00:07,489 INFO L290 TraceCheckUtils]: 32: Hoare triple {4188#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {4188#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} is VALID [2022-02-21 00:00:07,489 INFO L290 TraceCheckUtils]: 33: Hoare triple {4188#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {4188#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} is VALID [2022-02-21 00:00:07,490 INFO L290 TraceCheckUtils]: 34: Hoare triple {4188#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {4189#(and (= 12 (select |#length| |ULTIMATE.start_dll_circular_create_#res#1.base|)) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} is VALID [2022-02-21 00:00:07,491 INFO L290 TraceCheckUtils]: 35: Hoare triple {4189#(and (= 12 (select |#length| |ULTIMATE.start_dll_circular_create_#res#1.base|)) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~data_new~0#1 := 1;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset; {4190#(and (= (+ (- 12) (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) 0) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} is VALID [2022-02-21 00:00:07,491 INFO L290 TraceCheckUtils]: 36: Hoare triple {4190#(and (= (+ (- 12) (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) 0) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} assume !(4 + main_~ptr~0#1.offset <= #length[main_~ptr~0#1.base] && 0 <= main_~ptr~0#1.offset); {4186#false} is VALID [2022-02-21 00:00:07,491 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-02-21 00:00:07,492 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:07,492 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968120926] [2022-02-21 00:00:07,492 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968120926] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:07,492 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:07,492 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 00:00:07,492 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892007230] [2022-02-21 00:00:07,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:07,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-02-21 00:00:07,493 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:07,493 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:07,513 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:07,514 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-21 00:00:07,514 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:07,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 00:00:07,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-21 00:00:07,515 INFO L87 Difference]: Start difference. First operand 74 states and 78 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:07,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:07,842 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2022-02-21 00:00:07,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 00:00:07,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-02-21 00:00:07,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:07,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:07,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 73 transitions. [2022-02-21 00:00:07,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:07,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 73 transitions. [2022-02-21 00:00:07,845 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 73 transitions. [2022-02-21 00:00:07,914 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 73 edges. 73 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:07,915 INFO L225 Difference]: With dead ends: 80 [2022-02-21 00:00:07,915 INFO L226 Difference]: Without dead ends: 80 [2022-02-21 00:00:07,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-02-21 00:00:07,916 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 157 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:07,916 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 54 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-21 00:00:07,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-02-21 00:00:07,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2022-02-21 00:00:07,918 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:07,918 INFO L82 GeneralOperation]: Start isEquivalent. First operand 80 states. Second operand has 77 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 76 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:07,918 INFO L74 IsIncluded]: Start isIncluded. First operand 80 states. Second operand has 77 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 76 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:07,919 INFO L87 Difference]: Start difference. First operand 80 states. Second operand has 77 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 76 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:07,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:07,920 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2022-02-21 00:00:07,920 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2022-02-21 00:00:07,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:07,921 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:07,921 INFO L74 IsIncluded]: Start isIncluded. First operand has 77 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 76 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 80 states. [2022-02-21 00:00:07,921 INFO L87 Difference]: Start difference. First operand has 77 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 76 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 80 states. [2022-02-21 00:00:07,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:07,922 INFO L93 Difference]: Finished difference Result 80 states and 83 transitions. [2022-02-21 00:00:07,923 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 83 transitions. [2022-02-21 00:00:07,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:07,923 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:07,923 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:07,923 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:07,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 62 states have (on average 1.3064516129032258) internal successors, (81), 76 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:07,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 81 transitions. [2022-02-21 00:00:07,924 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 81 transitions. Word has length 37 [2022-02-21 00:00:07,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:07,925 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 81 transitions. [2022-02-21 00:00:07,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:07,925 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2022-02-21 00:00:07,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-02-21 00:00:07,926 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:07,926 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:07,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-21 00:00:07,926 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 31 more)] === [2022-02-21 00:00:07,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:07,927 INFO L85 PathProgramCache]: Analyzing trace with hash 2134585018, now seen corresponding path program 1 times [2022-02-21 00:00:07,927 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:07,927 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406482154] [2022-02-21 00:00:07,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:07,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:08,318 INFO L290 TraceCheckUtils]: 0: Hoare triple {4517#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {4517#true} is VALID [2022-02-21 00:00:08,319 INFO L290 TraceCheckUtils]: 1: Hoare triple {4517#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,320 INFO L290 TraceCheckUtils]: 2: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,321 INFO L290 TraceCheckUtils]: 3: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,321 INFO L290 TraceCheckUtils]: 4: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,322 INFO L290 TraceCheckUtils]: 5: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,322 INFO L290 TraceCheckUtils]: 6: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,323 INFO L290 TraceCheckUtils]: 7: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,324 INFO L290 TraceCheckUtils]: 8: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,324 INFO L290 TraceCheckUtils]: 9: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,325 INFO L290 TraceCheckUtils]: 10: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,326 INFO L290 TraceCheckUtils]: 11: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,326 INFO L290 TraceCheckUtils]: 12: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,327 INFO L290 TraceCheckUtils]: 13: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,327 INFO L290 TraceCheckUtils]: 14: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,329 INFO L290 TraceCheckUtils]: 15: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,330 INFO L290 TraceCheckUtils]: 16: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,330 INFO L290 TraceCheckUtils]: 17: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,331 INFO L290 TraceCheckUtils]: 18: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,331 INFO L290 TraceCheckUtils]: 19: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,332 INFO L290 TraceCheckUtils]: 20: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,333 INFO L290 TraceCheckUtils]: 21: Hoare triple {4519#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4520#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,333 INFO L290 TraceCheckUtils]: 22: Hoare triple {4520#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4520#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,334 INFO L290 TraceCheckUtils]: 23: Hoare triple {4520#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4520#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,335 INFO L290 TraceCheckUtils]: 24: Hoare triple {4520#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4521#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,335 INFO L290 TraceCheckUtils]: 25: Hoare triple {4521#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4522#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (or (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (not (<= (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 1) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,336 INFO L290 TraceCheckUtils]: 26: Hoare triple {4522#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (or (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (not (<= (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 1) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4522#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (or (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (not (<= (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 1) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,337 INFO L290 TraceCheckUtils]: 27: Hoare triple {4522#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (or (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (not (<= (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 1) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4522#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (or (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (not (<= (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 1) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,338 INFO L290 TraceCheckUtils]: 28: Hoare triple {4522#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (or (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (not (<= (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 1) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4523#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (or (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (not (<= (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 1) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,339 INFO L290 TraceCheckUtils]: 29: Hoare triple {4523#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (or (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (not (<= (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 1) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4524#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (or (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (not (<= (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 1) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:08,340 INFO L290 TraceCheckUtils]: 30: Hoare triple {4524#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (or (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (not (<= (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 1) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|))) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4525#(or (and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (and (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))))} is VALID [2022-02-21 00:00:08,341 INFO L290 TraceCheckUtils]: 31: Hoare triple {4525#(or (and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (and (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))))} assume !(dll_circular_create_~len#1 > 1); {4525#(or (and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (and (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))))} is VALID [2022-02-21 00:00:08,342 INFO L290 TraceCheckUtils]: 32: Hoare triple {4525#(or (and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (and (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {4526#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:08,343 INFO L290 TraceCheckUtils]: 33: Hoare triple {4526#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {4526#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:08,343 INFO L290 TraceCheckUtils]: 34: Hoare triple {4526#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {4527#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_#res#1.base|) |ULTIMATE.start_dll_circular_create_#res#1.offset|))} is VALID [2022-02-21 00:00:08,344 INFO L290 TraceCheckUtils]: 35: Hoare triple {4527#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_#res#1.base|) |ULTIMATE.start_dll_circular_create_#res#1.offset|))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~data_new~0#1 := 1;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset; {4528#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) |ULTIMATE.start_main_~ptr~0#1.offset|))} is VALID [2022-02-21 00:00:08,344 INFO L290 TraceCheckUtils]: 36: Hoare triple {4528#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) |ULTIMATE.start_main_~ptr~0#1.offset|))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {4529#(= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_~data_init~0#1|)} is VALID [2022-02-21 00:00:08,345 INFO L290 TraceCheckUtils]: 37: Hoare triple {4529#(= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_~data_init~0#1|)} assume main_~data_init~0#1 != main_#t~mem7#1;havoc main_#t~mem7#1; {4518#false} is VALID [2022-02-21 00:00:08,345 INFO L290 TraceCheckUtils]: 38: Hoare triple {4518#false} assume !false; {4518#false} is VALID [2022-02-21 00:00:08,345 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-02-21 00:00:08,346 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:08,346 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406482154] [2022-02-21 00:00:08,346 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406482154] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:08,346 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217353917] [2022-02-21 00:00:08,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:08,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:08,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:08,348 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-21 00:00:08,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-21 00:00:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:08,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 48 conjunts are in the unsatisfiable core [2022-02-21 00:00:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:08,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:08,784 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-21 00:00:08,916 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-21 00:00:08,917 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-21 00:00:08,998 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-21 00:00:09,065 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-21 00:00:09,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:09,199 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-21 00:00:09,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:09,248 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-21 00:00:09,331 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-21 00:00:09,350 INFO L290 TraceCheckUtils]: 0: Hoare triple {4517#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {4517#true} is VALID [2022-02-21 00:00:09,351 INFO L290 TraceCheckUtils]: 1: Hoare triple {4517#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,352 INFO L290 TraceCheckUtils]: 2: Hoare triple {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,352 INFO L290 TraceCheckUtils]: 3: Hoare triple {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,353 INFO L290 TraceCheckUtils]: 4: Hoare triple {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,354 INFO L290 TraceCheckUtils]: 5: Hoare triple {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,354 INFO L290 TraceCheckUtils]: 6: Hoare triple {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,355 INFO L290 TraceCheckUtils]: 7: Hoare triple {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,355 INFO L290 TraceCheckUtils]: 8: Hoare triple {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,356 INFO L290 TraceCheckUtils]: 9: Hoare triple {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,359 INFO L290 TraceCheckUtils]: 10: Hoare triple {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,360 INFO L290 TraceCheckUtils]: 11: Hoare triple {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,361 INFO L290 TraceCheckUtils]: 12: Hoare triple {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,362 INFO L290 TraceCheckUtils]: 13: Hoare triple {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,362 INFO L290 TraceCheckUtils]: 14: Hoare triple {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,363 INFO L290 TraceCheckUtils]: 15: Hoare triple {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,364 INFO L290 TraceCheckUtils]: 16: Hoare triple {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,364 INFO L290 TraceCheckUtils]: 17: Hoare triple {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,365 INFO L290 TraceCheckUtils]: 18: Hoare triple {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,365 INFO L290 TraceCheckUtils]: 19: Hoare triple {4536#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4591#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,366 INFO L290 TraceCheckUtils]: 20: Hoare triple {4591#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4591#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,367 INFO L290 TraceCheckUtils]: 21: Hoare triple {4591#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4591#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,367 INFO L290 TraceCheckUtils]: 22: Hoare triple {4591#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4591#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,368 INFO L290 TraceCheckUtils]: 23: Hoare triple {4591#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4591#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} is VALID [2022-02-21 00:00:09,369 INFO L290 TraceCheckUtils]: 24: Hoare triple {4591#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4607#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1))} is VALID [2022-02-21 00:00:09,369 INFO L290 TraceCheckUtils]: 25: Hoare triple {4607#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4611#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:09,370 INFO L290 TraceCheckUtils]: 26: Hoare triple {4611#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4611#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:09,371 INFO L290 TraceCheckUtils]: 27: Hoare triple {4611#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4611#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:09,372 INFO L290 TraceCheckUtils]: 28: Hoare triple {4611#(and (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4621#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:09,398 INFO L290 TraceCheckUtils]: 29: Hoare triple {4621#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4625#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:09,399 INFO L290 TraceCheckUtils]: 30: Hoare triple {4625#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4629#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:09,400 INFO L290 TraceCheckUtils]: 31: Hoare triple {4629#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} assume !(dll_circular_create_~len#1 > 1); {4629#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:09,401 INFO L290 TraceCheckUtils]: 32: Hoare triple {4629#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {4636#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:09,402 INFO L290 TraceCheckUtils]: 33: Hoare triple {4636#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {4636#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:09,403 INFO L290 TraceCheckUtils]: 34: Hoare triple {4636#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {4643#(and (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_#res#1.base|) 0)) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} is VALID [2022-02-21 00:00:09,404 INFO L290 TraceCheckUtils]: 35: Hoare triple {4643#(and (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_#res#1.base|) 0)) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~data_new~0#1 := 1;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset; {4647#(and (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) 0)))} is VALID [2022-02-21 00:00:09,404 INFO L290 TraceCheckUtils]: 36: Hoare triple {4647#(and (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) 0)))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {4651#(and (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_~data_init~0#1|))} is VALID [2022-02-21 00:00:09,405 INFO L290 TraceCheckUtils]: 37: Hoare triple {4651#(and (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_~data_init~0#1|))} assume main_~data_init~0#1 != main_#t~mem7#1;havoc main_#t~mem7#1; {4518#false} is VALID [2022-02-21 00:00:09,405 INFO L290 TraceCheckUtils]: 38: Hoare triple {4518#false} assume !false; {4518#false} is VALID [2022-02-21 00:00:09,405 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 19 proven. 13 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-21 00:00:09,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:10,427 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_911 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (= (select (select (store |c_#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) v_ArrVal_911)) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |c_ULTIMATE.start_main_~data_init~0#1|)) is different from false [2022-02-21 00:00:12,497 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_911 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (= (select (select (store |c_#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) v_ArrVal_911)) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |c_ULTIMATE.start_main_~data_init~0#1|)) is different from false [2022-02-21 00:00:12,544 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_911 Int) (v_ArrVal_909 (Array Int Int)) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_909))) (store .cse0 |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse0 |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) v_ArrVal_911))) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |c_ULTIMATE.start_main_~data_init~0#1|)) is different from false [2022-02-21 00:00:12,599 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:12,599 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 32 [2022-02-21 00:00:12,646 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:12,646 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 218 treesize of output 214 [2022-02-21 00:00:12,663 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 248 treesize of output 234 [2022-02-21 00:00:12,766 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2022-02-21 00:00:13,286 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2022-02-21 00:00:13,598 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-02-21 00:00:13,743 INFO L290 TraceCheckUtils]: 38: Hoare triple {4518#false} assume !false; {4518#false} is VALID [2022-02-21 00:00:13,744 INFO L290 TraceCheckUtils]: 37: Hoare triple {4529#(= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_~data_init~0#1|)} assume main_~data_init~0#1 != main_#t~mem7#1;havoc main_#t~mem7#1; {4518#false} is VALID [2022-02-21 00:00:13,744 INFO L290 TraceCheckUtils]: 36: Hoare triple {4528#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) |ULTIMATE.start_main_~ptr~0#1.offset|))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {4529#(= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_~data_init~0#1|)} is VALID [2022-02-21 00:00:13,745 INFO L290 TraceCheckUtils]: 35: Hoare triple {4527#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_#res#1.base|) |ULTIMATE.start_dll_circular_create_#res#1.offset|))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~data_new~0#1 := 1;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset; {4528#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) |ULTIMATE.start_main_~ptr~0#1.offset|))} is VALID [2022-02-21 00:00:13,745 INFO L290 TraceCheckUtils]: 34: Hoare triple {4526#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {4527#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_#res#1.base|) |ULTIMATE.start_dll_circular_create_#res#1.offset|))} is VALID [2022-02-21 00:00:13,746 INFO L290 TraceCheckUtils]: 33: Hoare triple {4526#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {4526#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:13,747 INFO L290 TraceCheckUtils]: 32: Hoare triple {4676#(forall ((v_ArrVal_911 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (= |ULTIMATE.start_main_~data_init~0#1| (select (select (store |#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) v_ArrVal_911)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {4526#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:13,747 INFO L290 TraceCheckUtils]: 31: Hoare triple {4676#(forall ((v_ArrVal_911 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (= |ULTIMATE.start_main_~data_init~0#1| (select (select (store |#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) v_ArrVal_911)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} assume !(dll_circular_create_~len#1 > 1); {4676#(forall ((v_ArrVal_911 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (= |ULTIMATE.start_main_~data_init~0#1| (select (select (store |#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) v_ArrVal_911)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:13,752 INFO L290 TraceCheckUtils]: 30: Hoare triple {4683#(forall ((v_ArrVal_911 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (= |ULTIMATE.start_main_~data_init~0#1| (select (select (store |#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) v_ArrVal_911)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4676#(forall ((v_ArrVal_911 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (= |ULTIMATE.start_main_~data_init~0#1| (select (select (store |#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) v_ArrVal_911)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:13,754 INFO L290 TraceCheckUtils]: 29: Hoare triple {4687#(forall ((v_ArrVal_911 Int) (v_ArrVal_909 (Array Int Int)) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (= |ULTIMATE.start_main_~data_init~0#1| (select (select (store (store |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_909) |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select (store |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_909) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) v_ArrVal_911)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4683#(forall ((v_ArrVal_911 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (= |ULTIMATE.start_main_~data_init~0#1| (select (select (store |#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) v_ArrVal_911)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))} is VALID [2022-02-21 00:00:13,755 INFO L290 TraceCheckUtils]: 28: Hoare triple {4691#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4687#(forall ((v_ArrVal_911 Int) (v_ArrVal_909 (Array Int Int)) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (= |ULTIMATE.start_main_~data_init~0#1| (select (select (store (store |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_909) |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select (store |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_909) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) v_ArrVal_911)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))} is VALID [2022-02-21 00:00:13,757 INFO L290 TraceCheckUtils]: 27: Hoare triple {4691#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4691#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:13,757 INFO L290 TraceCheckUtils]: 26: Hoare triple {4691#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4691#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:13,761 INFO L290 TraceCheckUtils]: 25: Hoare triple {4701#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| Int)) (or (and (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19|) 0))))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4691#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))} is VALID [2022-02-21 00:00:13,761 INFO L290 TraceCheckUtils]: 24: Hoare triple {4705#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| Int)) (or (and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19|) 0))))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4701#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| Int)) (or (and (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19|) 0))))} is VALID [2022-02-21 00:00:13,762 INFO L290 TraceCheckUtils]: 23: Hoare triple {4705#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| Int)) (or (and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19|) 0))))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4705#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| Int)) (or (and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19|) 0))))} is VALID [2022-02-21 00:00:13,763 INFO L290 TraceCheckUtils]: 22: Hoare triple {4705#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| Int)) (or (and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19|) 0))))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4705#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| Int)) (or (and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19|) 0))))} is VALID [2022-02-21 00:00:13,764 INFO L290 TraceCheckUtils]: 21: Hoare triple {4705#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| Int)) (or (and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19|) 0))))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4705#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| Int)) (or (and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19|) 0))))} is VALID [2022-02-21 00:00:13,765 INFO L290 TraceCheckUtils]: 20: Hoare triple {4705#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| Int)) (or (and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19|) 0))))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4705#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| Int)) (or (and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19|) 0))))} is VALID [2022-02-21 00:00:13,765 INFO L290 TraceCheckUtils]: 19: Hoare triple {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4705#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| Int)) (or (and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_19|) 0))))} is VALID [2022-02-21 00:00:13,766 INFO L290 TraceCheckUtils]: 18: Hoare triple {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:13,766 INFO L290 TraceCheckUtils]: 17: Hoare triple {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:13,767 INFO L290 TraceCheckUtils]: 16: Hoare triple {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:13,768 INFO L290 TraceCheckUtils]: 15: Hoare triple {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:13,768 INFO L290 TraceCheckUtils]: 14: Hoare triple {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:13,768 INFO L290 TraceCheckUtils]: 13: Hoare triple {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:13,769 INFO L290 TraceCheckUtils]: 12: Hoare triple {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:13,769 INFO L290 TraceCheckUtils]: 11: Hoare triple {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:13,770 INFO L290 TraceCheckUtils]: 10: Hoare triple {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:13,770 INFO L290 TraceCheckUtils]: 9: Hoare triple {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:13,771 INFO L290 TraceCheckUtils]: 8: Hoare triple {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:13,771 INFO L290 TraceCheckUtils]: 7: Hoare triple {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:13,772 INFO L290 TraceCheckUtils]: 6: Hoare triple {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:13,772 INFO L290 TraceCheckUtils]: 5: Hoare triple {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:13,773 INFO L290 TraceCheckUtils]: 4: Hoare triple {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:13,774 INFO L290 TraceCheckUtils]: 3: Hoare triple {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:13,774 INFO L290 TraceCheckUtils]: 2: Hoare triple {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:13,775 INFO L290 TraceCheckUtils]: 1: Hoare triple {4517#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {4721#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= 0 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))))} is VALID [2022-02-21 00:00:13,775 INFO L290 TraceCheckUtils]: 0: Hoare triple {4517#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {4517#true} is VALID [2022-02-21 00:00:13,775 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 10 not checked. [2022-02-21 00:00:13,775 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217353917] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-21 00:00:13,775 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-21 00:00:13,775 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 31 [2022-02-21 00:00:13,775 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674048046] [2022-02-21 00:00:13,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-21 00:00:13,776 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.838709677419355) internal successors, (88), 31 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-02-21 00:00:13,776 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:13,776 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 31 states, 31 states have (on average 2.838709677419355) internal successors, (88), 31 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:13,850 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 88 edges. 88 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:13,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-02-21 00:00:13,850 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:13,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-02-21 00:00:13,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=675, Unknown=3, NotChecked=162, Total=930 [2022-02-21 00:00:13,851 INFO L87 Difference]: Start difference. First operand 77 states and 81 transitions. Second operand has 31 states, 31 states have (on average 2.838709677419355) internal successors, (88), 31 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:14,197 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_911 Int) (v_ArrVal_909 (Array Int Int)) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_909))) (store .cse0 |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse0 |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) v_ArrVal_911))) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |c_ULTIMATE.start_main_~data_init~0#1|)) (= |c_ULTIMATE.start_main_~data_init~0#1| |c_ULTIMATE.start_dll_circular_create_~data#1|) (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (<= 0 |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |c_ULTIMATE.start_main_~data_init~0#1| 1) (not (= |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= (select |c_#valid| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select (select |c_#memory_int| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |c_ULTIMATE.start_main_~data_init~0#1|)) is different from false [2022-02-21 00:00:14,603 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_911 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (= (select (select (store |c_#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) v_ArrVal_911)) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |c_ULTIMATE.start_main_~data_init~0#1|)) (= |c_ULTIMATE.start_main_~data_init~0#1| |c_ULTIMATE.start_dll_circular_create_~data#1|) (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (<= 0 |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |c_ULTIMATE.start_main_~data_init~0#1| 1) (= (select |c_#valid| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select (select |c_#memory_int| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |c_ULTIMATE.start_main_~data_init~0#1|)) is different from false [2022-02-21 00:00:15,023 WARN L838 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~data_init~0#1| |c_ULTIMATE.start_dll_circular_create_~data#1|) (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= 0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (forall ((v_ArrVal_911 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (= (select (select (store |c_#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) v_ArrVal_911)) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |c_ULTIMATE.start_main_~data_init~0#1|)) (<= 0 |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |c_ULTIMATE.start_main_~data_init~0#1| 1) (= (select |c_#valid| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select |c_#memory_int| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) is different from false [2022-02-21 00:00:16,298 WARN L838 $PredicateComparison]: unable to prove that (and (= 0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (forall ((v_ArrVal_911 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (= (select (select (store |c_#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_int| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) v_ArrVal_911)) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |c_ULTIMATE.start_main_~data_init~0#1|)) (<= 0 |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |c_ULTIMATE.start_main_~data_init~0#1| 1) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select |c_#memory_int| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) is different from false [2022-02-21 00:00:16,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:16,735 INFO L93 Difference]: Finished difference Result 77 states and 80 transitions. [2022-02-21 00:00:16,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-02-21 00:00:16,735 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 2.838709677419355) internal successors, (88), 31 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-02-21 00:00:16,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:16,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 2.838709677419355) internal successors, (88), 31 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:16,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 68 transitions. [2022-02-21 00:00:16,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 2.838709677419355) internal successors, (88), 31 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:16,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 68 transitions. [2022-02-21 00:00:16,739 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 68 transitions. [2022-02-21 00:00:16,772 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:16,773 INFO L225 Difference]: With dead ends: 77 [2022-02-21 00:00:16,773 INFO L226 Difference]: Without dead ends: 77 [2022-02-21 00:00:16,774 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 61 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=165, Invalid=1046, Unknown=7, NotChecked=504, Total=1722 [2022-02-21 00:00:16,774 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 17 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 144 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:16,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 558 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 260 Invalid, 0 Unknown, 144 Unchecked, 0.2s Time] [2022-02-21 00:00:16,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-02-21 00:00:16,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-02-21 00:00:16,783 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:16,784 INFO L82 GeneralOperation]: Start isEquivalent. First operand 77 states. Second operand has 77 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 76 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:16,784 INFO L74 IsIncluded]: Start isIncluded. First operand 77 states. Second operand has 77 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 76 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:16,784 INFO L87 Difference]: Start difference. First operand 77 states. Second operand has 77 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 76 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:16,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:16,789 INFO L93 Difference]: Finished difference Result 77 states and 80 transitions. [2022-02-21 00:00:16,789 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2022-02-21 00:00:16,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:16,789 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:16,789 INFO L74 IsIncluded]: Start isIncluded. First operand has 77 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 76 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 77 states. [2022-02-21 00:00:16,789 INFO L87 Difference]: Start difference. First operand has 77 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 76 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 77 states. [2022-02-21 00:00:16,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:16,790 INFO L93 Difference]: Finished difference Result 77 states and 80 transitions. [2022-02-21 00:00:16,790 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2022-02-21 00:00:16,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:16,790 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:16,790 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:16,790 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:16,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 76 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:16,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 80 transitions. [2022-02-21 00:00:16,791 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 80 transitions. Word has length 39 [2022-02-21 00:00:16,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:16,791 INFO L470 AbstractCegarLoop]: Abstraction has 77 states and 80 transitions. [2022-02-21 00:00:16,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.838709677419355) internal successors, (88), 31 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:16,792 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 80 transitions. [2022-02-21 00:00:16,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-21 00:00:16,793 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:16,793 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:16,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-02-21 00:00:17,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:17,010 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr22REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 31 more)] === [2022-02-21 00:00:17,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:17,011 INFO L85 PathProgramCache]: Analyzing trace with hash -56889687, now seen corresponding path program 1 times [2022-02-21 00:00:17,011 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:17,011 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033560001] [2022-02-21 00:00:17,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:17,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:17,093 INFO L290 TraceCheckUtils]: 0: Hoare triple {5109#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {5109#true} is VALID [2022-02-21 00:00:17,093 INFO L290 TraceCheckUtils]: 1: Hoare triple {5109#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {5109#true} is VALID [2022-02-21 00:00:17,093 INFO L290 TraceCheckUtils]: 2: Hoare triple {5109#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {5109#true} is VALID [2022-02-21 00:00:17,093 INFO L290 TraceCheckUtils]: 3: Hoare triple {5109#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {5109#true} is VALID [2022-02-21 00:00:17,093 INFO L290 TraceCheckUtils]: 4: Hoare triple {5109#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {5109#true} is VALID [2022-02-21 00:00:17,093 INFO L290 TraceCheckUtils]: 5: Hoare triple {5109#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 6: Hoare triple {5109#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 7: Hoare triple {5109#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 8: Hoare triple {5109#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 9: Hoare triple {5109#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 10: Hoare triple {5109#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 11: Hoare triple {5109#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 12: Hoare triple {5109#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 13: Hoare triple {5109#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 14: Hoare triple {5109#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 15: Hoare triple {5109#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 16: Hoare triple {5109#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 17: Hoare triple {5109#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 18: Hoare triple {5109#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 19: Hoare triple {5109#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 20: Hoare triple {5109#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 21: Hoare triple {5109#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 22: Hoare triple {5109#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 23: Hoare triple {5109#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 24: Hoare triple {5109#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 25: Hoare triple {5109#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5109#true} is VALID [2022-02-21 00:00:17,094 INFO L290 TraceCheckUtils]: 26: Hoare triple {5109#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5109#true} is VALID [2022-02-21 00:00:17,095 INFO L290 TraceCheckUtils]: 27: Hoare triple {5109#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5111#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:17,095 INFO L290 TraceCheckUtils]: 28: Hoare triple {5111#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5111#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:17,095 INFO L290 TraceCheckUtils]: 29: Hoare triple {5111#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5111#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} is VALID [2022-02-21 00:00:17,096 INFO L290 TraceCheckUtils]: 30: Hoare triple {5111#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5112#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:17,096 INFO L290 TraceCheckUtils]: 31: Hoare triple {5112#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} assume !(dll_circular_create_~len#1 > 1); {5112#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:17,096 INFO L290 TraceCheckUtils]: 32: Hoare triple {5112#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {5112#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:17,096 INFO L290 TraceCheckUtils]: 33: Hoare triple {5112#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {5112#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} is VALID [2022-02-21 00:00:17,097 INFO L290 TraceCheckUtils]: 34: Hoare triple {5112#(= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1)} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {5113#(= (select |#valid| |ULTIMATE.start_dll_circular_create_#res#1.base|) 1)} is VALID [2022-02-21 00:00:17,097 INFO L290 TraceCheckUtils]: 35: Hoare triple {5113#(= (select |#valid| |ULTIMATE.start_dll_circular_create_#res#1.base|) 1)} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~data_new~0#1 := 1;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset; {5114#(= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1)} is VALID [2022-02-21 00:00:17,097 INFO L290 TraceCheckUtils]: 36: Hoare triple {5114#(= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1)} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {5114#(= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1)} is VALID [2022-02-21 00:00:17,097 INFO L290 TraceCheckUtils]: 37: Hoare triple {5114#(= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1)} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {5114#(= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1)} is VALID [2022-02-21 00:00:17,098 INFO L290 TraceCheckUtils]: 38: Hoare triple {5114#(= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1)} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {5114#(= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1)} is VALID [2022-02-21 00:00:17,098 INFO L290 TraceCheckUtils]: 39: Hoare triple {5114#(= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1)} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4); srcloc: L609-1 {5114#(= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1)} is VALID [2022-02-21 00:00:17,098 INFO L290 TraceCheckUtils]: 40: Hoare triple {5114#(= (select |#valid| |ULTIMATE.start_main_~head~1#1.base|) 1)} main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset;main_#t~post9#1 := main_~data_new~0#1;main_~data_new~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; {5115#(or (not (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1))} is VALID [2022-02-21 00:00:17,102 INFO L290 TraceCheckUtils]: 41: Hoare triple {5115#(or (not (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1))} assume !(main_~ptr~0#1.base != main_~head~1#1.base || main_~ptr~0#1.offset != main_~head~1#1.offset); {5116#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} is VALID [2022-02-21 00:00:17,103 INFO L290 TraceCheckUtils]: 42: Hoare triple {5116#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} assume !(1 == #valid[main_~ptr~0#1.base]); {5110#false} is VALID [2022-02-21 00:00:17,103 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-21 00:00:17,103 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:17,103 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033560001] [2022-02-21 00:00:17,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033560001] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:17,104 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:17,104 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-21 00:00:17,104 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484650694] [2022-02-21 00:00:17,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:17,104 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-02-21 00:00:17,104 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:17,104 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:17,122 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:17,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-21 00:00:17,122 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:17,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-21 00:00:17,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-21 00:00:17,122 INFO L87 Difference]: Start difference. First operand 77 states and 80 transitions. Second operand has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:17,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:17,381 INFO L93 Difference]: Finished difference Result 92 states and 94 transitions. [2022-02-21 00:00:17,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-21 00:00:17,393 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-02-21 00:00:17,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:17,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:17,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 79 transitions. [2022-02-21 00:00:17,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:17,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 79 transitions. [2022-02-21 00:00:17,396 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states and 79 transitions. [2022-02-21 00:00:17,461 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 79 edges. 79 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:17,462 INFO L225 Difference]: With dead ends: 92 [2022-02-21 00:00:17,462 INFO L226 Difference]: Without dead ends: 92 [2022-02-21 00:00:17,462 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-02-21 00:00:17,463 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 183 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:17,463 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 85 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-21 00:00:17,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-02-21 00:00:17,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 75. [2022-02-21 00:00:17,464 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:17,465 INFO L82 GeneralOperation]: Start isEquivalent. First operand 92 states. Second operand has 75 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 74 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:17,465 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand has 75 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 74 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:17,465 INFO L87 Difference]: Start difference. First operand 92 states. Second operand has 75 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 74 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:17,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:17,466 INFO L93 Difference]: Finished difference Result 92 states and 94 transitions. [2022-02-21 00:00:17,466 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 94 transitions. [2022-02-21 00:00:17,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:17,466 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:17,466 INFO L74 IsIncluded]: Start isIncluded. First operand has 75 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 74 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 92 states. [2022-02-21 00:00:17,467 INFO L87 Difference]: Start difference. First operand has 75 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 74 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 92 states. [2022-02-21 00:00:17,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:17,468 INFO L93 Difference]: Finished difference Result 92 states and 94 transitions. [2022-02-21 00:00:17,468 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 94 transitions. [2022-02-21 00:00:17,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:17,468 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:17,468 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:17,468 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:17,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 62 states have (on average 1.2580645161290323) internal successors, (78), 74 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:17,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 78 transitions. [2022-02-21 00:00:17,469 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 78 transitions. Word has length 43 [2022-02-21 00:00:17,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:17,469 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 78 transitions. [2022-02-21 00:00:17,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:17,469 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 78 transitions. [2022-02-21 00:00:17,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-21 00:00:17,470 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:17,470 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:17,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-02-21 00:00:17,470 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr23REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 31 more)] === [2022-02-21 00:00:17,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:17,471 INFO L85 PathProgramCache]: Analyzing trace with hash -56889686, now seen corresponding path program 1 times [2022-02-21 00:00:17,471 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:17,471 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320864994] [2022-02-21 00:00:17,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:17,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:17,616 INFO L290 TraceCheckUtils]: 0: Hoare triple {5481#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {5481#true} is VALID [2022-02-21 00:00:17,616 INFO L290 TraceCheckUtils]: 1: Hoare triple {5481#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {5481#true} is VALID [2022-02-21 00:00:17,617 INFO L290 TraceCheckUtils]: 2: Hoare triple {5481#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {5481#true} is VALID [2022-02-21 00:00:17,617 INFO L290 TraceCheckUtils]: 3: Hoare triple {5481#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {5481#true} is VALID [2022-02-21 00:00:17,617 INFO L290 TraceCheckUtils]: 4: Hoare triple {5481#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {5481#true} is VALID [2022-02-21 00:00:17,617 INFO L290 TraceCheckUtils]: 5: Hoare triple {5481#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {5481#true} is VALID [2022-02-21 00:00:17,617 INFO L290 TraceCheckUtils]: 6: Hoare triple {5481#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {5481#true} is VALID [2022-02-21 00:00:17,617 INFO L290 TraceCheckUtils]: 7: Hoare triple {5481#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5481#true} is VALID [2022-02-21 00:00:17,617 INFO L290 TraceCheckUtils]: 8: Hoare triple {5481#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5481#true} is VALID [2022-02-21 00:00:17,618 INFO L290 TraceCheckUtils]: 9: Hoare triple {5481#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5481#true} is VALID [2022-02-21 00:00:17,618 INFO L290 TraceCheckUtils]: 10: Hoare triple {5481#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5481#true} is VALID [2022-02-21 00:00:17,618 INFO L290 TraceCheckUtils]: 11: Hoare triple {5481#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5481#true} is VALID [2022-02-21 00:00:17,618 INFO L290 TraceCheckUtils]: 12: Hoare triple {5481#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5481#true} is VALID [2022-02-21 00:00:17,618 INFO L290 TraceCheckUtils]: 13: Hoare triple {5481#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5481#true} is VALID [2022-02-21 00:00:17,618 INFO L290 TraceCheckUtils]: 14: Hoare triple {5481#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5481#true} is VALID [2022-02-21 00:00:17,618 INFO L290 TraceCheckUtils]: 15: Hoare triple {5481#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5481#true} is VALID [2022-02-21 00:00:17,618 INFO L290 TraceCheckUtils]: 16: Hoare triple {5481#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5481#true} is VALID [2022-02-21 00:00:17,618 INFO L290 TraceCheckUtils]: 17: Hoare triple {5481#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5481#true} is VALID [2022-02-21 00:00:17,619 INFO L290 TraceCheckUtils]: 18: Hoare triple {5481#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5481#true} is VALID [2022-02-21 00:00:17,619 INFO L290 TraceCheckUtils]: 19: Hoare triple {5481#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5481#true} is VALID [2022-02-21 00:00:17,619 INFO L290 TraceCheckUtils]: 20: Hoare triple {5481#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5481#true} is VALID [2022-02-21 00:00:17,619 INFO L290 TraceCheckUtils]: 21: Hoare triple {5481#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5481#true} is VALID [2022-02-21 00:00:17,619 INFO L290 TraceCheckUtils]: 22: Hoare triple {5481#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5481#true} is VALID [2022-02-21 00:00:17,619 INFO L290 TraceCheckUtils]: 23: Hoare triple {5481#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5481#true} is VALID [2022-02-21 00:00:17,619 INFO L290 TraceCheckUtils]: 24: Hoare triple {5481#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5481#true} is VALID [2022-02-21 00:00:17,620 INFO L290 TraceCheckUtils]: 25: Hoare triple {5481#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5483#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:17,620 INFO L290 TraceCheckUtils]: 26: Hoare triple {5483#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5483#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:17,621 INFO L290 TraceCheckUtils]: 27: Hoare triple {5483#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5483#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:17,621 INFO L290 TraceCheckUtils]: 28: Hoare triple {5483#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5483#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:17,622 INFO L290 TraceCheckUtils]: 29: Hoare triple {5483#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5483#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:17,622 INFO L290 TraceCheckUtils]: 30: Hoare triple {5483#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5484#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} is VALID [2022-02-21 00:00:17,623 INFO L290 TraceCheckUtils]: 31: Hoare triple {5484#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} assume !(dll_circular_create_~len#1 > 1); {5484#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} is VALID [2022-02-21 00:00:17,623 INFO L290 TraceCheckUtils]: 32: Hoare triple {5484#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {5484#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} is VALID [2022-02-21 00:00:17,624 INFO L290 TraceCheckUtils]: 33: Hoare triple {5484#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {5484#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} is VALID [2022-02-21 00:00:17,624 INFO L290 TraceCheckUtils]: 34: Hoare triple {5484#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {5485#(and (= 12 (select |#length| |ULTIMATE.start_dll_circular_create_#res#1.base|)) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} is VALID [2022-02-21 00:00:17,624 INFO L290 TraceCheckUtils]: 35: Hoare triple {5485#(and (= 12 (select |#length| |ULTIMATE.start_dll_circular_create_#res#1.base|)) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~data_new~0#1 := 1;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset; {5486#(and (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~1#1.base|) 12))} is VALID [2022-02-21 00:00:17,625 INFO L290 TraceCheckUtils]: 36: Hoare triple {5486#(and (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~1#1.base|) 12))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {5486#(and (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~1#1.base|) 12))} is VALID [2022-02-21 00:00:17,625 INFO L290 TraceCheckUtils]: 37: Hoare triple {5486#(and (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~1#1.base|) 12))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {5486#(and (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~1#1.base|) 12))} is VALID [2022-02-21 00:00:17,626 INFO L290 TraceCheckUtils]: 38: Hoare triple {5486#(and (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~1#1.base|) 12))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {5486#(and (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~1#1.base|) 12))} is VALID [2022-02-21 00:00:17,626 INFO L290 TraceCheckUtils]: 39: Hoare triple {5486#(and (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~1#1.base|) 12))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4); srcloc: L609-1 {5486#(and (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~1#1.base|) 12))} is VALID [2022-02-21 00:00:17,627 INFO L290 TraceCheckUtils]: 40: Hoare triple {5486#(and (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= (select |#length| |ULTIMATE.start_main_~head~1#1.base|) 12))} main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset;main_#t~post9#1 := main_~data_new~0#1;main_~data_new~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; {5487#(and (or (not (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|)) (= (+ (- 12) (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) 0) (not (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))) (or (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| 0)))} is VALID [2022-02-21 00:00:17,627 INFO L290 TraceCheckUtils]: 41: Hoare triple {5487#(and (or (not (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|)) (= (+ (- 12) (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) 0) (not (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))) (or (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| 0)))} assume !(main_~ptr~0#1.base != main_~head~1#1.base || main_~ptr~0#1.offset != main_~head~1#1.offset); {5488#(and (= (+ (- 12) (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) 0) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} is VALID [2022-02-21 00:00:17,627 INFO L290 TraceCheckUtils]: 42: Hoare triple {5488#(and (= (+ (- 12) (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) 0) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} assume !(4 + (8 + main_~ptr~0#1.offset) <= #length[main_~ptr~0#1.base] && 0 <= 8 + main_~ptr~0#1.offset); {5482#false} is VALID [2022-02-21 00:00:17,628 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-02-21 00:00:17,628 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:17,628 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320864994] [2022-02-21 00:00:17,628 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320864994] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 00:00:17,628 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 00:00:17,628 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-21 00:00:17,628 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930991505] [2022-02-21 00:00:17,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 00:00:17,629 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-02-21 00:00:17,629 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:17,629 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:17,648 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:17,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-02-21 00:00:17,649 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:17,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-02-21 00:00:17,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-02-21 00:00:17,649 INFO L87 Difference]: Start difference. First operand 75 states and 78 transitions. Second operand has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:18,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:18,000 INFO L93 Difference]: Finished difference Result 76 states and 78 transitions. [2022-02-21 00:00:18,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-21 00:00:18,000 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-02-21 00:00:18,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:18,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:18,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 67 transitions. [2022-02-21 00:00:18,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:18,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 67 transitions. [2022-02-21 00:00:18,001 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states and 67 transitions. [2022-02-21 00:00:18,060 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 67 edges. 67 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:18,061 INFO L225 Difference]: With dead ends: 76 [2022-02-21 00:00:18,061 INFO L226 Difference]: Without dead ends: 76 [2022-02-21 00:00:18,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-02-21 00:00:18,061 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 172 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:18,062 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 49 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-02-21 00:00:18,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-02-21 00:00:18,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 73. [2022-02-21 00:00:18,063 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:18,063 INFO L82 GeneralOperation]: Start isEquivalent. First operand 76 states. Second operand has 73 states, 62 states have (on average 1.2258064516129032) internal successors, (76), 72 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:18,063 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand has 73 states, 62 states have (on average 1.2258064516129032) internal successors, (76), 72 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:18,063 INFO L87 Difference]: Start difference. First operand 76 states. Second operand has 73 states, 62 states have (on average 1.2258064516129032) internal successors, (76), 72 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:18,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:18,064 INFO L93 Difference]: Finished difference Result 76 states and 78 transitions. [2022-02-21 00:00:18,064 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2022-02-21 00:00:18,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:18,064 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:18,064 INFO L74 IsIncluded]: Start isIncluded. First operand has 73 states, 62 states have (on average 1.2258064516129032) internal successors, (76), 72 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 76 states. [2022-02-21 00:00:18,065 INFO L87 Difference]: Start difference. First operand has 73 states, 62 states have (on average 1.2258064516129032) internal successors, (76), 72 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 76 states. [2022-02-21 00:00:18,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:18,066 INFO L93 Difference]: Finished difference Result 76 states and 78 transitions. [2022-02-21 00:00:18,066 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2022-02-21 00:00:18,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:18,066 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:18,066 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:18,067 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:18,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 62 states have (on average 1.2258064516129032) internal successors, (76), 72 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:18,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 76 transitions. [2022-02-21 00:00:18,068 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 76 transitions. Word has length 43 [2022-02-21 00:00:18,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:18,068 INFO L470 AbstractCegarLoop]: Abstraction has 73 states and 76 transitions. [2022-02-21 00:00:18,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.428571428571429) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:18,068 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2022-02-21 00:00:18,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-21 00:00:18,069 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:18,069 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:18,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-02-21 00:00:18,069 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 31 more)] === [2022-02-21 00:00:18,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:18,069 INFO L85 PathProgramCache]: Analyzing trace with hash -56889649, now seen corresponding path program 1 times [2022-02-21 00:00:18,070 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:18,070 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279178111] [2022-02-21 00:00:18,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:18,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:18,539 INFO L290 TraceCheckUtils]: 0: Hoare triple {5801#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {5801#true} is VALID [2022-02-21 00:00:18,539 INFO L290 TraceCheckUtils]: 1: Hoare triple {5801#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:18,540 INFO L290 TraceCheckUtils]: 2: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:18,540 INFO L290 TraceCheckUtils]: 3: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:18,541 INFO L290 TraceCheckUtils]: 4: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:18,541 INFO L290 TraceCheckUtils]: 5: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:18,542 INFO L290 TraceCheckUtils]: 6: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {5804#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:18,542 INFO L290 TraceCheckUtils]: 7: Hoare triple {5804#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5804#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:18,543 INFO L290 TraceCheckUtils]: 8: Hoare triple {5804#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5804#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:18,543 INFO L290 TraceCheckUtils]: 9: Hoare triple {5804#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5804#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:18,544 INFO L290 TraceCheckUtils]: 10: Hoare triple {5804#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5804#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:18,545 INFO L290 TraceCheckUtils]: 11: Hoare triple {5804#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5805#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,545 INFO L290 TraceCheckUtils]: 12: Hoare triple {5805#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5805#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,546 INFO L290 TraceCheckUtils]: 13: Hoare triple {5805#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5805#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,547 INFO L290 TraceCheckUtils]: 14: Hoare triple {5805#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5805#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,547 INFO L290 TraceCheckUtils]: 15: Hoare triple {5805#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5805#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,548 INFO L290 TraceCheckUtils]: 16: Hoare triple {5805#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5805#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,549 INFO L290 TraceCheckUtils]: 17: Hoare triple {5805#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5805#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,549 INFO L290 TraceCheckUtils]: 18: Hoare triple {5805#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5805#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,550 INFO L290 TraceCheckUtils]: 19: Hoare triple {5805#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5806#(and (or (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,551 INFO L290 TraceCheckUtils]: 20: Hoare triple {5806#(and (or (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5806#(and (or (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,552 INFO L290 TraceCheckUtils]: 21: Hoare triple {5806#(and (or (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5807#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,552 INFO L290 TraceCheckUtils]: 22: Hoare triple {5807#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5807#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,553 INFO L290 TraceCheckUtils]: 23: Hoare triple {5807#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5807#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,554 INFO L290 TraceCheckUtils]: 24: Hoare triple {5807#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5808#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,555 INFO L290 TraceCheckUtils]: 25: Hoare triple {5808#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5809#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,555 INFO L290 TraceCheckUtils]: 26: Hoare triple {5809#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5809#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,556 INFO L290 TraceCheckUtils]: 27: Hoare triple {5809#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5810#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,557 INFO L290 TraceCheckUtils]: 28: Hoare triple {5810#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5810#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,558 INFO L290 TraceCheckUtils]: 29: Hoare triple {5810#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5811#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,559 INFO L290 TraceCheckUtils]: 30: Hoare triple {5811#(and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5812#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:18,560 INFO L290 TraceCheckUtils]: 31: Hoare triple {5812#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} assume !(dll_circular_create_~len#1 > 1); {5812#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:18,561 INFO L290 TraceCheckUtils]: 32: Hoare triple {5812#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {5813#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:18,562 INFO L290 TraceCheckUtils]: 33: Hoare triple {5813#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {5814#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4)) 1))} is VALID [2022-02-21 00:00:18,562 INFO L290 TraceCheckUtils]: 34: Hoare triple {5814#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4)) 1))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {5815#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4)) 1) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} is VALID [2022-02-21 00:00:18,563 INFO L290 TraceCheckUtils]: 35: Hoare triple {5815#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4)) 1) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~data_new~0#1 := 1;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset; {5816#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} is VALID [2022-02-21 00:00:18,563 INFO L290 TraceCheckUtils]: 36: Hoare triple {5816#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {5816#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} is VALID [2022-02-21 00:00:18,564 INFO L290 TraceCheckUtils]: 37: Hoare triple {5816#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {5816#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} is VALID [2022-02-21 00:00:18,565 INFO L290 TraceCheckUtils]: 38: Hoare triple {5816#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {5816#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} is VALID [2022-02-21 00:00:18,565 INFO L290 TraceCheckUtils]: 39: Hoare triple {5816#(and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4); srcloc: L609-1 {5817#(= (select |#valid| |ULTIMATE.start_main_#t~mem8#1.base|) 1)} is VALID [2022-02-21 00:00:18,566 INFO L290 TraceCheckUtils]: 40: Hoare triple {5817#(= (select |#valid| |ULTIMATE.start_main_#t~mem8#1.base|) 1)} main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset;main_#t~post9#1 := main_~data_new~0#1;main_~data_new~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; {5818#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} is VALID [2022-02-21 00:00:18,566 INFO L290 TraceCheckUtils]: 41: Hoare triple {5818#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} assume !!(main_~ptr~0#1.base != main_~head~1#1.base || main_~ptr~0#1.offset != main_~head~1#1.offset); {5818#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} is VALID [2022-02-21 00:00:18,567 INFO L290 TraceCheckUtils]: 42: Hoare triple {5818#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} assume !(1 == #valid[main_~ptr~0#1.base]); {5802#false} is VALID [2022-02-21 00:00:18,567 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-21 00:00:18,567 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:18,567 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279178111] [2022-02-21 00:00:18,567 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279178111] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:18,567 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972944646] [2022-02-21 00:00:18,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:18,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:18,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:18,569 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-21 00:00:18,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-21 00:00:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:18,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 76 conjunts are in the unsatisfiable core [2022-02-21 00:00:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:18,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:18,885 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-21 00:00:19,005 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-21 00:00:19,005 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-21 00:00:19,070 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-21 00:00:19,081 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-21 00:00:19,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:19,162 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-21 00:00:19,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:19,178 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-21 00:00:19,223 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-21 00:00:19,224 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 45 [2022-02-21 00:00:19,232 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-02-21 00:00:19,346 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-02-21 00:00:19,346 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-02-21 00:00:19,376 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-02-21 00:00:19,387 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:19,395 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-02-21 00:00:19,396 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 30 [2022-02-21 00:00:19,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:19,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:19,566 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:19,570 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-21 00:00:19,570 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36 [2022-02-21 00:00:19,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:19,601 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2022-02-21 00:00:20,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:20,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:20,245 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-21 00:00:20,245 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 58 [2022-02-21 00:00:20,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:20,286 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2022-02-21 00:00:20,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:20,465 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:20,471 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:20,472 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 41 [2022-02-21 00:00:20,515 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:20,516 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2022-02-21 00:00:21,383 INFO L290 TraceCheckUtils]: 0: Hoare triple {5801#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {5801#true} is VALID [2022-02-21 00:00:21,383 INFO L290 TraceCheckUtils]: 1: Hoare triple {5801#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:21,384 INFO L290 TraceCheckUtils]: 2: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:21,384 INFO L290 TraceCheckUtils]: 3: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:21,384 INFO L290 TraceCheckUtils]: 4: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:21,385 INFO L290 TraceCheckUtils]: 5: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:21,385 INFO L290 TraceCheckUtils]: 6: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:21,385 INFO L290 TraceCheckUtils]: 7: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:21,385 INFO L290 TraceCheckUtils]: 8: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:21,386 INFO L290 TraceCheckUtils]: 9: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:21,386 INFO L290 TraceCheckUtils]: 10: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:21,386 INFO L290 TraceCheckUtils]: 11: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:21,387 INFO L290 TraceCheckUtils]: 12: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:21,387 INFO L290 TraceCheckUtils]: 13: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:21,387 INFO L290 TraceCheckUtils]: 14: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:21,388 INFO L290 TraceCheckUtils]: 15: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:21,388 INFO L290 TraceCheckUtils]: 16: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:21,388 INFO L290 TraceCheckUtils]: 17: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:21,389 INFO L290 TraceCheckUtils]: 18: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:21,390 INFO L290 TraceCheckUtils]: 19: Hoare triple {5803#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5879#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:21,390 INFO L290 TraceCheckUtils]: 20: Hoare triple {5879#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5879#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:21,391 INFO L290 TraceCheckUtils]: 21: Hoare triple {5879#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5879#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:21,392 INFO L290 TraceCheckUtils]: 22: Hoare triple {5879#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5879#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:21,392 INFO L290 TraceCheckUtils]: 23: Hoare triple {5879#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5879#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:21,393 INFO L290 TraceCheckUtils]: 24: Hoare triple {5879#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5895#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:21,393 INFO L290 TraceCheckUtils]: 25: Hoare triple {5895#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5899#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:21,394 INFO L290 TraceCheckUtils]: 26: Hoare triple {5899#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5899#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:21,395 INFO L290 TraceCheckUtils]: 27: Hoare triple {5899#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5906#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:21,396 INFO L290 TraceCheckUtils]: 28: Hoare triple {5906#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5906#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:21,397 INFO L290 TraceCheckUtils]: 29: Hoare triple {5906#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5913#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:21,398 INFO L290 TraceCheckUtils]: 30: Hoare triple {5913#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5917#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:21,398 INFO L290 TraceCheckUtils]: 31: Hoare triple {5917#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !(dll_circular_create_~len#1 > 1); {5917#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:21,400 INFO L290 TraceCheckUtils]: 32: Hoare triple {5917#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {5924#(and (exists ((v_arrayElimCell_26 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) v_arrayElimCell_26) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_arrayElimCell_26)) (= (select |#valid| v_arrayElimCell_26) 1))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (or (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:21,402 INFO L290 TraceCheckUtils]: 33: Hoare triple {5924#(and (exists ((v_arrayElimCell_26 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) v_arrayElimCell_26) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_arrayElimCell_26)) (= (select |#valid| v_arrayElimCell_26) 1))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (or (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {5928#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) 1) (exists ((v_arrayElimCell_26 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) v_arrayElimCell_26)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_arrayElimCell_26)) (= (select |#valid| v_arrayElimCell_26) 1))))} is VALID [2022-02-21 00:00:21,403 INFO L290 TraceCheckUtils]: 34: Hoare triple {5928#(and (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) 1) (exists ((v_arrayElimCell_26 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) v_arrayElimCell_26)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_arrayElimCell_26)) (= (select |#valid| v_arrayElimCell_26) 1))))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {5932#(and (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 8)) 4)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 8)) 1) (exists ((v_arrayElimCell_26 Int)) (and (not (= |ULTIMATE.start_dll_circular_create_#res#1.base| v_arrayElimCell_26)) (= (select |#valid| v_arrayElimCell_26) 1) (or (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 8)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4) v_arrayElimCell_26)))) (or (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4) 0) (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 8))) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} is VALID [2022-02-21 00:00:21,404 INFO L290 TraceCheckUtils]: 35: Hoare triple {5932#(and (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 8)) 4)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 8)) 1) (exists ((v_arrayElimCell_26 Int)) (and (not (= |ULTIMATE.start_dll_circular_create_#res#1.base| v_arrayElimCell_26)) (= (select |#valid| v_arrayElimCell_26) 1) (or (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 8)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4) v_arrayElimCell_26)))) (or (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4) 0) (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 8))) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~data_new~0#1 := 1;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset; {5936#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 1) (exists ((v_arrayElimCell_26 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 4) v_arrayElimCell_26)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_26)) (= (select |#valid| v_arrayElimCell_26) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 4)) (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) 4) 0)) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:21,405 INFO L290 TraceCheckUtils]: 36: Hoare triple {5936#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 1) (exists ((v_arrayElimCell_26 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 4) v_arrayElimCell_26)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_26)) (= (select |#valid| v_arrayElimCell_26) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 4)) (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) 4) 0)) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {5936#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 1) (exists ((v_arrayElimCell_26 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 4) v_arrayElimCell_26)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_26)) (= (select |#valid| v_arrayElimCell_26) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 4)) (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) 4) 0)) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:21,406 INFO L290 TraceCheckUtils]: 37: Hoare triple {5936#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 1) (exists ((v_arrayElimCell_26 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 4) v_arrayElimCell_26)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_26)) (= (select |#valid| v_arrayElimCell_26) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 4)) (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) 4) 0)) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {5936#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 1) (exists ((v_arrayElimCell_26 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 4) v_arrayElimCell_26)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_26)) (= (select |#valid| v_arrayElimCell_26) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 4)) (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) 4) 0)) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:21,408 INFO L290 TraceCheckUtils]: 38: Hoare triple {5936#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 1) (exists ((v_arrayElimCell_26 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 4) v_arrayElimCell_26)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_26)) (= (select |#valid| v_arrayElimCell_26) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 4)) (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) 4) 0)) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {5936#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 1) (exists ((v_arrayElimCell_26 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 4) v_arrayElimCell_26)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_26)) (= (select |#valid| v_arrayElimCell_26) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 4)) (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) 4) 0)) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:21,411 INFO L290 TraceCheckUtils]: 39: Hoare triple {5936#(and (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 1) (exists ((v_arrayElimCell_26 Int)) (and (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 4) v_arrayElimCell_26)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_26)) (= (select |#valid| v_arrayElimCell_26) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8)) 4)) (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~head~1#1.base|) 8) |ULTIMATE.start_main_~head~1#1.base|) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~head~1#1.base|) 4) 0)) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4); srcloc: L609-1 {5949#(and (exists ((v_arrayElimCell_35 Int) (v_arrayElimCell_26 Int)) (and (= (select |#valid| v_arrayElimCell_35) 1) (or (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_35) (= v_arrayElimCell_26 |ULTIMATE.start_main_#t~mem8#1.base|)) (or (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_35)) (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_26)) (or (= |ULTIMATE.start_main_#t~mem8#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_35)) (= (select |#valid| v_arrayElimCell_26) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} is VALID [2022-02-21 00:00:21,412 INFO L290 TraceCheckUtils]: 40: Hoare triple {5949#(and (exists ((v_arrayElimCell_35 Int) (v_arrayElimCell_26 Int)) (and (= (select |#valid| v_arrayElimCell_35) 1) (or (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_35) (= v_arrayElimCell_26 |ULTIMATE.start_main_#t~mem8#1.base|)) (or (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_35)) (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_26)) (or (= |ULTIMATE.start_main_#t~mem8#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_35)) (= (select |#valid| v_arrayElimCell_26) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset;main_#t~post9#1 := main_~data_new~0#1;main_~data_new~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; {5953#(and (exists ((v_arrayElimCell_35 Int) (v_arrayElimCell_26 Int)) (and (= (select |#valid| v_arrayElimCell_35) 1) (or (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_35)) (or (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_35)) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_26)) (or (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_35) (= |ULTIMATE.start_main_~ptr~0#1.base| v_arrayElimCell_26)) (= (select |#valid| v_arrayElimCell_26) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} is VALID [2022-02-21 00:00:21,413 INFO L290 TraceCheckUtils]: 41: Hoare triple {5953#(and (exists ((v_arrayElimCell_35 Int) (v_arrayElimCell_26 Int)) (and (= (select |#valid| v_arrayElimCell_35) 1) (or (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_35)) (or (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_35)) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_26)) (or (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_35) (= |ULTIMATE.start_main_~ptr~0#1.base| v_arrayElimCell_26)) (= (select |#valid| v_arrayElimCell_26) 1))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} assume !!(main_~ptr~0#1.base != main_~head~1#1.base || main_~ptr~0#1.offset != main_~head~1#1.offset); {5818#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} is VALID [2022-02-21 00:00:21,413 INFO L290 TraceCheckUtils]: 42: Hoare triple {5818#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} assume !(1 == #valid[main_~ptr~0#1.base]); {5802#false} is VALID [2022-02-21 00:00:21,414 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-21 00:00:21,414 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:22,670 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:22,677 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:22,677 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 134 treesize of output 100 [2022-02-21 00:00:22,687 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:22,691 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:22,692 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 100 treesize of output 105 [2022-02-21 00:00:22,704 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:22,709 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:22,709 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 220 treesize of output 198 [2022-02-21 00:00:22,745 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:22,745 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 469 treesize of output 457 [2022-02-21 00:00:22,770 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 517 treesize of output 485 [2022-02-21 00:00:22,843 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 247 treesize of output 239 [2022-02-21 00:00:22,873 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 223 [2022-02-21 00:00:23,058 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 75 [2022-02-21 00:00:24,089 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 61 [2022-02-21 00:00:30,768 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-02-21 00:00:30,768 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 127 treesize of output 1 [2022-02-21 00:00:30,791 INFO L290 TraceCheckUtils]: 42: Hoare triple {5818#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} assume !(1 == #valid[main_~ptr~0#1.base]); {5802#false} is VALID [2022-02-21 00:00:30,792 INFO L290 TraceCheckUtils]: 41: Hoare triple {5963#(or (= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1) (and (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|)))} assume !!(main_~ptr~0#1.base != main_~head~1#1.base || main_~ptr~0#1.offset != main_~head~1#1.offset); {5818#(= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1)} is VALID [2022-02-21 00:00:30,792 INFO L290 TraceCheckUtils]: 40: Hoare triple {5967#(or (= (select |#valid| |ULTIMATE.start_main_#t~mem8#1.base|) 1) (and (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_#t~mem8#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)))} main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset;main_#t~post9#1 := main_~data_new~0#1;main_~data_new~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; {5963#(or (= (select |#valid| |ULTIMATE.start_main_~ptr~0#1.base|) 1) (and (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|)))} is VALID [2022-02-21 00:00:30,793 INFO L290 TraceCheckUtils]: 39: Hoare triple {5971#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4); srcloc: L609-1 {5967#(or (= (select |#valid| |ULTIMATE.start_main_#t~mem8#1.base|) 1) (and (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_#t~mem8#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)))} is VALID [2022-02-21 00:00:30,794 INFO L290 TraceCheckUtils]: 38: Hoare triple {5971#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {5971#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} is VALID [2022-02-21 00:00:30,794 INFO L290 TraceCheckUtils]: 37: Hoare triple {5971#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {5971#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} is VALID [2022-02-21 00:00:30,795 INFO L290 TraceCheckUtils]: 36: Hoare triple {5981#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1) (not (<= 0 |ULTIMATE.start_main_~ptr~0#1.offset|)))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {5971#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1))} is VALID [2022-02-21 00:00:30,796 INFO L290 TraceCheckUtils]: 35: Hoare triple {5985#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4)) |ULTIMATE.start_dll_circular_create_#res#1.base|) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4))) 1) (not (<= 0 |ULTIMATE.start_dll_circular_create_#res#1.offset|)))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~data_new~0#1 := 1;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset; {5981#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 1) (not (<= 0 |ULTIMATE.start_main_~ptr~0#1.offset|)))} is VALID [2022-02-21 00:00:30,796 INFO L290 TraceCheckUtils]: 34: Hoare triple {5989#(or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 1) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {5985#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4)) |ULTIMATE.start_dll_circular_create_#res#1.base|) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4)))) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4))) 1) (not (<= 0 |ULTIMATE.start_dll_circular_create_#res#1.offset|)))} is VALID [2022-02-21 00:00:30,798 INFO L290 TraceCheckUtils]: 33: Hoare triple {5989#(or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 1) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {5989#(or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 1) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:30,799 INFO L290 TraceCheckUtils]: 32: Hoare triple {5996#(or (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 1) (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_1402 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_1402) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)))) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {5989#(or (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= (select |#valid| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 1) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:30,800 INFO L290 TraceCheckUtils]: 31: Hoare triple {5996#(or (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 1) (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_1402 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_1402) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)))) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} assume !(dll_circular_create_~len#1 > 1); {5996#(or (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 1) (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_1402 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_1402) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)))) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:30,801 INFO L290 TraceCheckUtils]: 30: Hoare triple {6003#(or (not (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (forall ((v_ArrVal_1402 (Array Int Int))) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_1402) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) 1))))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5996#(or (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 1) (and (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (forall ((v_ArrVal_1402 (Array Int Int))) (= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_1402) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)))) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:30,803 INFO L290 TraceCheckUtils]: 29: Hoare triple {6007#(or (not (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (forall ((v_ArrVal_1398 (Array Int Int)) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (forall ((v_ArrVal_1402 (Array Int Int)) (v_ArrVal_1399 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1399) |ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_1402) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1398) |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1398) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))) (= (select |#valid| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1398) |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1398) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) 1))))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6003#(or (not (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (forall ((v_ArrVal_1402 (Array Int Int))) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_1402) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))))) (= (select |#valid| (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) 1))))} is VALID [2022-02-21 00:00:30,807 INFO L290 TraceCheckUtils]: 28: Hoare triple {6011#(or (forall ((v_ArrVal_1396 Int) (v_ArrVal_1398 (Array Int Int)) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (= (select |#valid| (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1396)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1398) |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1396)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1398) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) 1) (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (forall ((v_ArrVal_1402 (Array Int Int)) (v_ArrVal_1395 Int) (v_ArrVal_1399 (Array Int Int))) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1395)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1399) |ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_1402) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1396)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1398) |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1396)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1398) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))))) (not (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6007#(or (not (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (forall ((v_ArrVal_1398 (Array Int Int)) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (forall ((v_ArrVal_1402 (Array Int Int)) (v_ArrVal_1399 (Array Int Int))) (= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1399) |ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_1402) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1398) |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1398) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))) (= (select |#valid| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1398) |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1398) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) 1))))} is VALID [2022-02-21 00:00:30,809 INFO L290 TraceCheckUtils]: 27: Hoare triple {6015#(or (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (and (or (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (and (or (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (or (= (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) (or (forall ((v_arrayElimCell_42 Int)) (= (select |#valid| v_arrayElimCell_42) 1)) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))) (not (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6011#(or (forall ((v_ArrVal_1396 Int) (v_ArrVal_1398 (Array Int Int)) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (= (select |#valid| (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1396)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1398) |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1396)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1398) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) 1) (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (forall ((v_ArrVal_1402 (Array Int Int)) (v_ArrVal_1395 Int) (v_ArrVal_1399 (Array Int Int))) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select (store (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1395)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1399) |ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_1402) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (select (select (store (store (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1396)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1398) |ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1396)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1398) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))))) (not (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))} is VALID [2022-02-21 00:00:30,810 INFO L290 TraceCheckUtils]: 26: Hoare triple {6015#(or (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (and (or (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (and (or (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (or (= (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) (or (forall ((v_arrayElimCell_42 Int)) (= (select |#valid| v_arrayElimCell_42) 1)) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))) (not (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {6015#(or (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (and (or (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (and (or (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (or (= (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) (or (forall ((v_arrayElimCell_42 Int)) (= (select |#valid| v_arrayElimCell_42) 1)) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))) (not (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))} is VALID [2022-02-21 00:00:30,812 INFO L290 TraceCheckUtils]: 25: Hoare triple {6022#(forall ((v_ArrVal_1389 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (and (or (forall ((v_arrayElimCell_42 Int)) (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) v_arrayElimCell_42) 1)) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (or (= 1 (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (and (or (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= 4 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (or (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24|) 0)) (not (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {6015#(or (forall ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (and (or (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (and (or (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (or (= (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) (or (forall ((v_arrayElimCell_42 Int)) (= (select |#valid| v_arrayElimCell_42) 1)) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)))) (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))) (not (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))} is VALID [2022-02-21 00:00:30,813 INFO L290 TraceCheckUtils]: 24: Hoare triple {6026#(forall ((v_ArrVal_1389 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24|) 0)) (and (or (forall ((v_arrayElimCell_42 Int)) (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) v_arrayElimCell_42) 1)) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (and (or (= 4 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (or (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (not (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6022#(forall ((v_ArrVal_1389 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (and (or (forall ((v_arrayElimCell_42 Int)) (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) v_arrayElimCell_42) 1)) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (or (= 1 (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (and (or (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= 4 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (or (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24|) 0)) (not (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))))} is VALID [2022-02-21 00:00:30,815 INFO L290 TraceCheckUtils]: 23: Hoare triple {6026#(forall ((v_ArrVal_1389 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24|) 0)) (and (or (forall ((v_arrayElimCell_42 Int)) (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) v_arrayElimCell_42) 1)) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (and (or (= 4 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (or (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (not (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6026#(forall ((v_ArrVal_1389 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24|) 0)) (and (or (forall ((v_arrayElimCell_42 Int)) (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) v_arrayElimCell_42) 1)) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (and (or (= 4 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (or (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (not (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))))} is VALID [2022-02-21 00:00:30,816 INFO L290 TraceCheckUtils]: 22: Hoare triple {6026#(forall ((v_ArrVal_1389 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24|) 0)) (and (or (forall ((v_arrayElimCell_42 Int)) (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) v_arrayElimCell_42) 1)) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (and (or (= 4 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (or (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (not (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6026#(forall ((v_ArrVal_1389 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24|) 0)) (and (or (forall ((v_arrayElimCell_42 Int)) (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) v_arrayElimCell_42) 1)) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (and (or (= 4 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (or (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (not (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))))} is VALID [2022-02-21 00:00:30,818 INFO L290 TraceCheckUtils]: 21: Hoare triple {6026#(forall ((v_ArrVal_1389 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24|) 0)) (and (or (forall ((v_arrayElimCell_42 Int)) (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) v_arrayElimCell_42) 1)) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (and (or (= 4 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (or (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (not (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6026#(forall ((v_ArrVal_1389 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24|) 0)) (and (or (forall ((v_arrayElimCell_42 Int)) (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) v_arrayElimCell_42) 1)) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (and (or (= 4 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (or (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (not (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))))} is VALID [2022-02-21 00:00:30,819 INFO L290 TraceCheckUtils]: 20: Hoare triple {6026#(forall ((v_ArrVal_1389 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24|) 0)) (and (or (forall ((v_arrayElimCell_42 Int)) (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) v_arrayElimCell_42) 1)) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (and (or (= 4 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (or (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (not (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {6026#(forall ((v_ArrVal_1389 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24|) 0)) (and (or (forall ((v_arrayElimCell_42 Int)) (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) v_arrayElimCell_42) 1)) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (and (or (= 4 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (or (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (not (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))))} is VALID [2022-02-21 00:00:30,820 INFO L290 TraceCheckUtils]: 19: Hoare triple {5801#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {6026#(forall ((v_ArrVal_1389 Int) (|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24|) 0)) (and (or (forall ((v_arrayElimCell_42 Int)) (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) v_arrayElimCell_42) 1)) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (or (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (and (or (= 4 (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (or (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))) (not (= (select (store |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_24| v_ArrVal_1389) |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1)) (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))))} is VALID [2022-02-21 00:00:30,820 INFO L290 TraceCheckUtils]: 18: Hoare triple {5801#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5801#true} is VALID [2022-02-21 00:00:30,821 INFO L290 TraceCheckUtils]: 17: Hoare triple {5801#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5801#true} is VALID [2022-02-21 00:00:30,821 INFO L290 TraceCheckUtils]: 16: Hoare triple {5801#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5801#true} is VALID [2022-02-21 00:00:30,821 INFO L290 TraceCheckUtils]: 15: Hoare triple {5801#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5801#true} is VALID [2022-02-21 00:00:30,821 INFO L290 TraceCheckUtils]: 14: Hoare triple {5801#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5801#true} is VALID [2022-02-21 00:00:30,821 INFO L290 TraceCheckUtils]: 13: Hoare triple {5801#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5801#true} is VALID [2022-02-21 00:00:30,821 INFO L290 TraceCheckUtils]: 12: Hoare triple {5801#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {5801#true} is VALID [2022-02-21 00:00:30,821 INFO L290 TraceCheckUtils]: 11: Hoare triple {5801#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {5801#true} is VALID [2022-02-21 00:00:30,821 INFO L290 TraceCheckUtils]: 10: Hoare triple {5801#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {5801#true} is VALID [2022-02-21 00:00:30,822 INFO L290 TraceCheckUtils]: 9: Hoare triple {5801#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {5801#true} is VALID [2022-02-21 00:00:30,822 INFO L290 TraceCheckUtils]: 8: Hoare triple {5801#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {5801#true} is VALID [2022-02-21 00:00:30,822 INFO L290 TraceCheckUtils]: 7: Hoare triple {5801#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {5801#true} is VALID [2022-02-21 00:00:30,822 INFO L290 TraceCheckUtils]: 6: Hoare triple {5801#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {5801#true} is VALID [2022-02-21 00:00:30,822 INFO L290 TraceCheckUtils]: 5: Hoare triple {5801#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {5801#true} is VALID [2022-02-21 00:00:30,822 INFO L290 TraceCheckUtils]: 4: Hoare triple {5801#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {5801#true} is VALID [2022-02-21 00:00:30,822 INFO L290 TraceCheckUtils]: 3: Hoare triple {5801#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {5801#true} is VALID [2022-02-21 00:00:30,822 INFO L290 TraceCheckUtils]: 2: Hoare triple {5801#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {5801#true} is VALID [2022-02-21 00:00:30,822 INFO L290 TraceCheckUtils]: 1: Hoare triple {5801#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {5801#true} is VALID [2022-02-21 00:00:30,823 INFO L290 TraceCheckUtils]: 0: Hoare triple {5801#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {5801#true} is VALID [2022-02-21 00:00:30,823 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-21 00:00:30,823 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972944646] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-21 00:00:30,823 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-21 00:00:30,823 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 15] total 42 [2022-02-21 00:00:30,824 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004585169] [2022-02-21 00:00:30,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-21 00:00:30,824 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 2.5476190476190474) internal successors, (107), 43 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-02-21 00:00:30,825 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:30,825 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 43 states, 42 states have (on average 2.5476190476190474) internal successors, (107), 43 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:30,937 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 107 edges. 107 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:30,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-02-21 00:00:30,937 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:30,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-02-21 00:00:30,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1643, Unknown=7, NotChecked=0, Total=1806 [2022-02-21 00:00:30,939 INFO L87 Difference]: Start difference. First operand 73 states and 76 transitions. Second operand has 43 states, 42 states have (on average 2.5476190476190474) internal successors, (107), 43 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:32,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:32,402 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2022-02-21 00:00:32,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-02-21 00:00:32,403 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 2.5476190476190474) internal successors, (107), 43 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-02-21 00:00:32,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:32,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 2.5476190476190474) internal successors, (107), 43 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:32,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 69 transitions. [2022-02-21 00:00:32,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 2.5476190476190474) internal successors, (107), 43 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:32,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 69 transitions. [2022-02-21 00:00:32,404 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states and 69 transitions. [2022-02-21 00:00:32,475 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:32,476 INFO L225 Difference]: With dead ends: 76 [2022-02-21 00:00:32,476 INFO L226 Difference]: Without dead ends: 76 [2022-02-21 00:00:32,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 63 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 841 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=318, Invalid=2225, Unknown=7, NotChecked=0, Total=2550 [2022-02-21 00:00:32,477 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 26 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 269 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:32,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 356 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 311 Invalid, 0 Unknown, 269 Unchecked, 0.4s Time] [2022-02-21 00:00:32,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-02-21 00:00:32,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-02-21 00:00:32,479 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:32,479 INFO L82 GeneralOperation]: Start isEquivalent. First operand 76 states. Second operand has 76 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 75 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:32,480 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand has 76 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 75 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:32,480 INFO L87 Difference]: Start difference. First operand 76 states. Second operand has 76 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 75 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:32,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:32,481 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2022-02-21 00:00:32,481 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2022-02-21 00:00:32,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:32,481 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:32,481 INFO L74 IsIncluded]: Start isIncluded. First operand has 76 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 75 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 76 states. [2022-02-21 00:00:32,484 INFO L87 Difference]: Start difference. First operand has 76 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 75 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 76 states. [2022-02-21 00:00:32,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:32,487 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2022-02-21 00:00:32,487 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2022-02-21 00:00:32,487 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:32,487 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:32,487 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:32,488 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:32,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 65 states have (on average 1.2461538461538462) internal successors, (81), 75 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:32,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 81 transitions. [2022-02-21 00:00:32,489 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 81 transitions. Word has length 43 [2022-02-21 00:00:32,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:32,490 INFO L470 AbstractCegarLoop]: Abstraction has 76 states and 81 transitions. [2022-02-21 00:00:32,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 2.5476190476190474) internal successors, (107), 43 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:32,490 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 81 transitions. [2022-02-21 00:00:32,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-02-21 00:00:32,490 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:32,490 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:32,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-21 00:00:32,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-02-21 00:00:32,704 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 31 more)] === [2022-02-21 00:00:32,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:32,704 INFO L85 PathProgramCache]: Analyzing trace with hash -56889648, now seen corresponding path program 1 times [2022-02-21 00:00:32,705 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:32,705 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378003432] [2022-02-21 00:00:32,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:32,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:33,242 INFO L290 TraceCheckUtils]: 0: Hoare triple {6423#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {6423#true} is VALID [2022-02-21 00:00:33,244 INFO L290 TraceCheckUtils]: 1: Hoare triple {6423#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:33,244 INFO L290 TraceCheckUtils]: 2: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:33,245 INFO L290 TraceCheckUtils]: 3: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:33,245 INFO L290 TraceCheckUtils]: 4: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:33,245 INFO L290 TraceCheckUtils]: 5: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:33,246 INFO L290 TraceCheckUtils]: 6: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {6426#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:33,246 INFO L290 TraceCheckUtils]: 7: Hoare triple {6426#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {6426#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:33,247 INFO L290 TraceCheckUtils]: 8: Hoare triple {6426#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {6426#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:33,247 INFO L290 TraceCheckUtils]: 9: Hoare triple {6426#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6426#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:33,248 INFO L290 TraceCheckUtils]: 10: Hoare triple {6426#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6426#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:33,248 INFO L290 TraceCheckUtils]: 11: Hoare triple {6426#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6427#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,249 INFO L290 TraceCheckUtils]: 12: Hoare triple {6427#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6427#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,249 INFO L290 TraceCheckUtils]: 13: Hoare triple {6427#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {6427#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,250 INFO L290 TraceCheckUtils]: 14: Hoare triple {6427#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {6427#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,250 INFO L290 TraceCheckUtils]: 15: Hoare triple {6427#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6427#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,251 INFO L290 TraceCheckUtils]: 16: Hoare triple {6427#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6427#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,251 INFO L290 TraceCheckUtils]: 17: Hoare triple {6427#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6427#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,252 INFO L290 TraceCheckUtils]: 18: Hoare triple {6427#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6427#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,252 INFO L290 TraceCheckUtils]: 19: Hoare triple {6427#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {6428#(and (not (= 0 (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,253 INFO L290 TraceCheckUtils]: 20: Hoare triple {6428#(and (not (= 0 (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {6428#(and (not (= 0 (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,253 INFO L290 TraceCheckUtils]: 21: Hoare triple {6428#(and (not (= 0 (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6429#(and (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 0)) (not (= 0 (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,254 INFO L290 TraceCheckUtils]: 22: Hoare triple {6429#(and (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 0)) (not (= 0 (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6429#(and (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 0)) (not (= 0 (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,255 INFO L290 TraceCheckUtils]: 23: Hoare triple {6429#(and (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 0)) (not (= 0 (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6429#(and (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 0)) (not (= 0 (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,255 INFO L290 TraceCheckUtils]: 24: Hoare triple {6429#(and (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 0)) (not (= 0 (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (= (select |#length| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6430#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= 0 (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 0)))} is VALID [2022-02-21 00:00:33,256 INFO L290 TraceCheckUtils]: 25: Hoare triple {6430#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= 0 (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))) (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 0)))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {6431#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,257 INFO L290 TraceCheckUtils]: 26: Hoare triple {6431#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {6431#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,257 INFO L290 TraceCheckUtils]: 27: Hoare triple {6431#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6432#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,258 INFO L290 TraceCheckUtils]: 28: Hoare triple {6432#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6432#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,259 INFO L290 TraceCheckUtils]: 29: Hoare triple {6432#(and (= (select |#length| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 12) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6433#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,260 INFO L290 TraceCheckUtils]: 30: Hoare triple {6433#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= 12 (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6434#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:33,260 INFO L290 TraceCheckUtils]: 31: Hoare triple {6434#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} assume !(dll_circular_create_~len#1 > 1); {6434#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:33,261 INFO L290 TraceCheckUtils]: 32: Hoare triple {6434#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {6435#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,262 INFO L290 TraceCheckUtils]: 33: Hoare triple {6435#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) 12) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {6436#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:33,262 INFO L290 TraceCheckUtils]: 34: Hoare triple {6436#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4)) 12) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {6437#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4) |ULTIMATE.start_dll_circular_create_#res#1.offset|) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4)) 12) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} is VALID [2022-02-21 00:00:33,263 INFO L290 TraceCheckUtils]: 35: Hoare triple {6437#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4) |ULTIMATE.start_dll_circular_create_#res#1.offset|) (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4)) 12) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~data_new~0#1 := 1;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset; {6438#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} is VALID [2022-02-21 00:00:33,263 INFO L290 TraceCheckUtils]: 36: Hoare triple {6438#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {6438#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} is VALID [2022-02-21 00:00:33,264 INFO L290 TraceCheckUtils]: 37: Hoare triple {6438#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {6438#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} is VALID [2022-02-21 00:00:33,264 INFO L290 TraceCheckUtils]: 38: Hoare triple {6438#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {6438#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} is VALID [2022-02-21 00:00:33,265 INFO L290 TraceCheckUtils]: 39: Hoare triple {6438#(and (= (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) 12) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4); srcloc: L609-1 {6439#(and (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_#t~mem8#1.offset|) (= (select |#length| |ULTIMATE.start_main_#t~mem8#1.base|) 12) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} is VALID [2022-02-21 00:00:33,265 INFO L290 TraceCheckUtils]: 40: Hoare triple {6439#(and (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_#t~mem8#1.offset|) (= (select |#length| |ULTIMATE.start_main_#t~mem8#1.base|) 12) (= |ULTIMATE.start_main_~head~1#1.offset| 0))} main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset;main_#t~post9#1 := main_~data_new~0#1;main_~data_new~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; {6440#(and (= 12 (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,266 INFO L290 TraceCheckUtils]: 41: Hoare triple {6440#(and (= 12 (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} assume !!(main_~ptr~0#1.base != main_~head~1#1.base || main_~ptr~0#1.offset != main_~head~1#1.offset); {6440#(and (= 12 (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} is VALID [2022-02-21 00:00:33,266 INFO L290 TraceCheckUtils]: 42: Hoare triple {6440#(and (= 12 (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0))} assume !(4 + main_~ptr~0#1.offset <= #length[main_~ptr~0#1.base] && 0 <= main_~ptr~0#1.offset); {6424#false} is VALID [2022-02-21 00:00:33,266 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-21 00:00:33,266 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:33,267 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378003432] [2022-02-21 00:00:33,267 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378003432] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:33,267 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382489718] [2022-02-21 00:00:33,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:33,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:33,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:33,282 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-21 00:00:33,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-21 00:00:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:33,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 75 conjunts are in the unsatisfiable core [2022-02-21 00:00:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:33,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:33,538 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-02-21 00:00:33,619 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-02-21 00:00:33,620 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-02-21 00:00:33,667 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-21 00:00:33,672 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-21 00:00:33,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:33,735 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-21 00:00:33,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:33,746 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-21 00:00:33,780 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-21 00:00:33,781 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 53 [2022-02-21 00:00:33,785 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 41 [2022-02-21 00:00:33,919 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:33,927 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-02-21 00:00:33,928 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 38 [2022-02-21 00:00:33,945 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:33,953 INFO L356 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-02-21 00:00:33,954 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 31 [2022-02-21 00:00:34,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:34,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:34,351 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:34,353 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-21 00:00:34,353 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2022-02-21 00:00:34,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:34,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:34,414 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:34,416 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-21 00:00:34,416 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 36 [2022-02-21 00:00:35,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:35,487 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-21 00:00:35,488 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 72 treesize of output 57 [2022-02-21 00:00:35,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:35,526 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2022-02-21 00:00:35,526 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 39 [2022-02-21 00:00:35,817 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:35,826 INFO L356 Elim1Store]: treesize reduction 13, result has 48.0 percent of original size [2022-02-21 00:00:35,827 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 50 [2022-02-21 00:00:35,848 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:35,851 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:35,852 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 25 [2022-02-21 00:00:36,153 INFO L290 TraceCheckUtils]: 0: Hoare triple {6423#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {6423#true} is VALID [2022-02-21 00:00:36,154 INFO L290 TraceCheckUtils]: 1: Hoare triple {6423#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:36,154 INFO L290 TraceCheckUtils]: 2: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:36,155 INFO L290 TraceCheckUtils]: 3: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:36,155 INFO L290 TraceCheckUtils]: 4: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:36,155 INFO L290 TraceCheckUtils]: 5: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:36,156 INFO L290 TraceCheckUtils]: 6: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:36,157 INFO L290 TraceCheckUtils]: 7: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:36,157 INFO L290 TraceCheckUtils]: 8: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:36,159 INFO L290 TraceCheckUtils]: 9: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:36,159 INFO L290 TraceCheckUtils]: 10: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:36,160 INFO L290 TraceCheckUtils]: 11: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:36,160 INFO L290 TraceCheckUtils]: 12: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:36,160 INFO L290 TraceCheckUtils]: 13: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:36,160 INFO L290 TraceCheckUtils]: 14: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:36,161 INFO L290 TraceCheckUtils]: 15: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:36,161 INFO L290 TraceCheckUtils]: 16: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:36,161 INFO L290 TraceCheckUtils]: 17: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:36,161 INFO L290 TraceCheckUtils]: 18: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} is VALID [2022-02-21 00:00:36,162 INFO L290 TraceCheckUtils]: 19: Hoare triple {6425#(= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0)} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {6501#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:36,162 INFO L290 TraceCheckUtils]: 20: Hoare triple {6501#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {6501#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:36,164 INFO L290 TraceCheckUtils]: 21: Hoare triple {6501#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6501#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:36,164 INFO L290 TraceCheckUtils]: 22: Hoare triple {6501#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6501#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:36,164 INFO L290 TraceCheckUtils]: 23: Hoare triple {6501#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6501#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:36,165 INFO L290 TraceCheckUtils]: 24: Hoare triple {6501#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6517#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:36,165 INFO L290 TraceCheckUtils]: 25: Hoare triple {6517#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {6521#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:36,166 INFO L290 TraceCheckUtils]: 26: Hoare triple {6521#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {6521#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:36,166 INFO L290 TraceCheckUtils]: 27: Hoare triple {6521#(and (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6528#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:36,167 INFO L290 TraceCheckUtils]: 28: Hoare triple {6528#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6528#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:36,168 INFO L290 TraceCheckUtils]: 29: Hoare triple {6528#(and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6535#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (<= (+ 12 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:36,169 INFO L290 TraceCheckUtils]: 30: Hoare triple {6535#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (<= (+ 12 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6539#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:36,169 INFO L290 TraceCheckUtils]: 31: Hoare triple {6539#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))))} assume !(dll_circular_create_~len#1 > 1); {6539#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:36,171 INFO L290 TraceCheckUtils]: 32: Hoare triple {6539#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 12) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {6546#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (exists ((v_arrayElimCell_56 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_arrayElimCell_56)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 12) (select |#length| v_arrayElimCell_56)) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) v_arrayElimCell_56) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:36,172 INFO L290 TraceCheckUtils]: 33: Hoare triple {6546#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (exists ((v_arrayElimCell_56 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_arrayElimCell_56)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 12) (select |#length| v_arrayElimCell_56)) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) v_arrayElimCell_56) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {6546#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (exists ((v_arrayElimCell_56 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_arrayElimCell_56)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 12) (select |#length| v_arrayElimCell_56)) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) v_arrayElimCell_56) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))))} is VALID [2022-02-21 00:00:36,173 INFO L290 TraceCheckUtils]: 34: Hoare triple {6546#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (exists ((v_arrayElimCell_56 Int) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_arrayElimCell_56)) (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 12) (select |#length| v_arrayElimCell_56)) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (or (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) v_arrayElimCell_56) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {6553#(and (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0) (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) v_arrayElimCell_56)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 12) (select |#length| v_arrayElimCell_56)) (or (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) v_arrayElimCell_56)) (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)))))} is VALID [2022-02-21 00:00:36,174 INFO L290 TraceCheckUtils]: 35: Hoare triple {6553#(and (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0) (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) v_arrayElimCell_56)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 12) (select |#length| v_arrayElimCell_56)) (or (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) v_arrayElimCell_56)) (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)))))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~data_new~0#1 := 1;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset; {6557#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) v_arrayElimCell_56)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 12) (select |#length| v_arrayElimCell_56)) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (or (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) v_arrayElimCell_56)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:36,175 INFO L290 TraceCheckUtils]: 36: Hoare triple {6557#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) v_arrayElimCell_56)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 12) (select |#length| v_arrayElimCell_56)) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (or (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) v_arrayElimCell_56)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {6557#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) v_arrayElimCell_56)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 12) (select |#length| v_arrayElimCell_56)) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (or (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) v_arrayElimCell_56)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:36,176 INFO L290 TraceCheckUtils]: 37: Hoare triple {6557#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) v_arrayElimCell_56)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 12) (select |#length| v_arrayElimCell_56)) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (or (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) v_arrayElimCell_56)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {6557#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) v_arrayElimCell_56)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 12) (select |#length| v_arrayElimCell_56)) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (or (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) v_arrayElimCell_56)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:36,178 INFO L290 TraceCheckUtils]: 38: Hoare triple {6557#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) v_arrayElimCell_56)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 12) (select |#length| v_arrayElimCell_56)) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (or (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) v_arrayElimCell_56)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {6557#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) v_arrayElimCell_56)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 12) (select |#length| v_arrayElimCell_56)) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (or (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) v_arrayElimCell_56)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:36,179 INFO L290 TraceCheckUtils]: 39: Hoare triple {6557#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int) (v_arrayElimCell_56 Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (<= 0 (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) v_arrayElimCell_56)) (<= (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 12) (select |#length| v_arrayElimCell_56)) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (or (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) v_arrayElimCell_56)))) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4); srcloc: L609-1 {6570#(and (<= 0 |ULTIMATE.start_main_#t~mem8#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (exists ((v_arrayElimCell_56 Int)) (and (or (= v_arrayElimCell_56 |ULTIMATE.start_main_#t~mem8#1.base|) (and (= |ULTIMATE.start_main_#t~mem8#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_main_#t~mem8#1.base|))) (<= (+ |ULTIMATE.start_main_#t~mem8#1.offset| 12) (select |#length| v_arrayElimCell_56)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_56)))))} is VALID [2022-02-21 00:00:36,179 INFO L290 TraceCheckUtils]: 40: Hoare triple {6570#(and (<= 0 |ULTIMATE.start_main_#t~mem8#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (exists ((v_arrayElimCell_56 Int)) (and (or (= v_arrayElimCell_56 |ULTIMATE.start_main_#t~mem8#1.base|) (and (= |ULTIMATE.start_main_#t~mem8#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_main_#t~mem8#1.base|))) (<= (+ |ULTIMATE.start_main_#t~mem8#1.offset| 12) (select |#length| v_arrayElimCell_56)) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_56)))))} main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset;main_#t~post9#1 := main_~data_new~0#1;main_~data_new~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; {6574#(and (exists ((v_arrayElimCell_56 Int)) (and (or (= |ULTIMATE.start_main_~ptr~0#1.base| v_arrayElimCell_56) (and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_56)) (<= (+ |ULTIMATE.start_main_~ptr~0#1.offset| 12) (select |#length| v_arrayElimCell_56)))) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (<= 0 |ULTIMATE.start_main_~ptr~0#1.offset|))} is VALID [2022-02-21 00:00:36,180 INFO L290 TraceCheckUtils]: 41: Hoare triple {6574#(and (exists ((v_arrayElimCell_56 Int)) (and (or (= |ULTIMATE.start_main_~ptr~0#1.base| v_arrayElimCell_56) (and (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))) (not (= |ULTIMATE.start_main_~head~1#1.base| v_arrayElimCell_56)) (<= (+ |ULTIMATE.start_main_~ptr~0#1.offset| 12) (select |#length| v_arrayElimCell_56)))) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (<= 0 |ULTIMATE.start_main_~ptr~0#1.offset|))} assume !!(main_~ptr~0#1.base != main_~head~1#1.base || main_~ptr~0#1.offset != main_~head~1#1.offset); {6578#(and (<= (+ |ULTIMATE.start_main_~ptr~0#1.offset| 12) (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) (<= 0 |ULTIMATE.start_main_~ptr~0#1.offset|))} is VALID [2022-02-21 00:00:36,180 INFO L290 TraceCheckUtils]: 42: Hoare triple {6578#(and (<= (+ |ULTIMATE.start_main_~ptr~0#1.offset| 12) (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) (<= 0 |ULTIMATE.start_main_~ptr~0#1.offset|))} assume !(4 + main_~ptr~0#1.offset <= #length[main_~ptr~0#1.base] && 0 <= main_~ptr~0#1.offset); {6424#false} is VALID [2022-02-21 00:00:36,181 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-21 00:00:36,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:37,005 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:37,005 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 50 [2022-02-21 00:00:37,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:37,370 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:37,370 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 130 treesize of output 109 [2022-02-21 00:00:37,376 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:37,380 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:37,380 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 83 [2022-02-21 00:00:37,394 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 95 [2022-02-21 00:00:37,404 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 69 [2022-02-21 00:00:37,412 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 89 [2022-02-21 00:00:37,421 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 59 [2022-02-21 00:00:37,764 INFO L290 TraceCheckUtils]: 42: Hoare triple {6582#(and (<= (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) (<= 0 |ULTIMATE.start_main_~ptr~0#1.offset|))} assume !(4 + main_~ptr~0#1.offset <= #length[main_~ptr~0#1.base] && 0 <= main_~ptr~0#1.offset); {6424#false} is VALID [2022-02-21 00:00:37,765 INFO L290 TraceCheckUtils]: 41: Hoare triple {6586#(or (and (<= (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) (<= 0 |ULTIMATE.start_main_~ptr~0#1.offset|)) (and (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|)))} assume !!(main_~ptr~0#1.base != main_~head~1#1.base || main_~ptr~0#1.offset != main_~head~1#1.offset); {6582#(and (<= (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) (<= 0 |ULTIMATE.start_main_~ptr~0#1.offset|))} is VALID [2022-02-21 00:00:37,766 INFO L290 TraceCheckUtils]: 40: Hoare triple {6590#(or (and (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_#t~mem8#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (and (<= 0 |ULTIMATE.start_main_#t~mem8#1.offset|) (<= (+ |ULTIMATE.start_main_#t~mem8#1.offset| 4) (select |#length| |ULTIMATE.start_main_#t~mem8#1.base|))))} main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset;main_#t~post9#1 := main_~data_new~0#1;main_~data_new~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; {6586#(or (and (<= (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4) (select |#length| |ULTIMATE.start_main_~ptr~0#1.base|)) (<= 0 |ULTIMATE.start_main_~ptr~0#1.offset|)) (and (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|)))} is VALID [2022-02-21 00:00:37,766 INFO L290 TraceCheckUtils]: 39: Hoare triple {6594#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4); srcloc: L609-1 {6590#(or (and (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_#t~mem8#1.offset|) (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)) (and (<= 0 |ULTIMATE.start_main_#t~mem8#1.offset|) (<= (+ |ULTIMATE.start_main_#t~mem8#1.offset| 4) (select |#length| |ULTIMATE.start_main_#t~mem8#1.base|))))} is VALID [2022-02-21 00:00:37,767 INFO L290 TraceCheckUtils]: 38: Hoare triple {6594#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {6594#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:37,768 INFO L290 TraceCheckUtils]: 37: Hoare triple {6594#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {6594#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:37,768 INFO L290 TraceCheckUtils]: 36: Hoare triple {6604#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (not (<= 0 |ULTIMATE.start_main_~ptr~0#1.offset|)))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {6594#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:37,769 INFO L290 TraceCheckUtils]: 35: Hoare triple {6608#(or (and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4)))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4)) |ULTIMATE.start_dll_circular_create_#res#1.base|) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4)))) (not (<= 0 |ULTIMATE.start_dll_circular_create_#res#1.offset|)))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~data_new~0#1 := 1;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset; {6604#(or (and (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (not (<= 0 |ULTIMATE.start_main_~ptr~0#1.offset|)))} is VALID [2022-02-21 00:00:37,770 INFO L290 TraceCheckUtils]: 34: Hoare triple {6612#(or (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {6608#(or (and (<= (+ 4 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4))) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4)))) (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4)) |ULTIMATE.start_dll_circular_create_#res#1.base|) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) (+ |ULTIMATE.start_dll_circular_create_#res#1.offset| 4)))) (not (<= 0 |ULTIMATE.start_dll_circular_create_#res#1.offset|)))} is VALID [2022-02-21 00:00:37,771 INFO L290 TraceCheckUtils]: 33: Hoare triple {6612#(or (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {6612#(or (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:37,772 INFO L290 TraceCheckUtils]: 32: Hoare triple {6612#(or (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {6612#(or (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:37,773 INFO L290 TraceCheckUtils]: 31: Hoare triple {6612#(or (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} assume !(dll_circular_create_~len#1 > 1); {6612#(or (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:37,774 INFO L290 TraceCheckUtils]: 30: Hoare triple {6625#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))) (not (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6612#(or (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)))) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (not (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:37,775 INFO L290 TraceCheckUtils]: 29: Hoare triple {6629#(or (< |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (forall ((v_ArrVal_1658 (Array Int Int)) (v_ArrVal_1657 (Array Int Int))) (or (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1658) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1657) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (and (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1658) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1657) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (<= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1658) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))))))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6625#(or (and (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))) (not (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (and (<= (+ (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) 4) (select |#length| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))) (<= 0 (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))))} is VALID [2022-02-21 00:00:37,777 INFO L290 TraceCheckUtils]: 28: Hoare triple {6633#(or (< |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (forall ((v_ArrVal_1658 (Array Int Int)) (v_ArrVal_1657 (Array Int Int)) (v_ArrVal_1653 Int) (v_ArrVal_1654 Int)) (or (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1654)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1657) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1653)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1658) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))) (and (<= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1653)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1658) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8)) (<= 0 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1653)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1658) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1654)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1657) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))))))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6629#(or (< |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (forall ((v_ArrVal_1658 (Array Int Int)) (v_ArrVal_1657 (Array Int Int))) (or (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1658) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1657) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (and (<= 0 (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1658) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (= (select (select (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1657) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (<= (select (select (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1658) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))))))} is VALID [2022-02-21 00:00:37,778 INFO L290 TraceCheckUtils]: 27: Hoare triple {6637#(or (< |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6633#(or (< |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (forall ((v_ArrVal_1658 (Array Int Int)) (v_ArrVal_1657 (Array Int Int)) (v_ArrVal_1653 Int) (v_ArrVal_1654 Int)) (or (and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1654)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1657) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1653)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1658) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))) (and (<= (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1653)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1658) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8)) (<= 0 (select (select (store (store |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1653)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1658) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select (store (store |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| (store (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_1654)) |ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_1657) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)))))))} is VALID [2022-02-21 00:00:37,779 INFO L290 TraceCheckUtils]: 26: Hoare triple {6637#(or (< |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {6637#(or (< |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:37,779 INFO L290 TraceCheckUtils]: 25: Hoare triple {6644#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| Int)) (or (and (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26|) 0))))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {6637#(or (< |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (and (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)))} is VALID [2022-02-21 00:00:37,780 INFO L290 TraceCheckUtils]: 24: Hoare triple {6648#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| Int)) (or (and (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26|) 0))))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6644#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| Int)) (or (and (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (<= 0 |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26|) 0))))} is VALID [2022-02-21 00:00:37,780 INFO L290 TraceCheckUtils]: 23: Hoare triple {6648#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| Int)) (or (and (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26|) 0))))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6648#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| Int)) (or (and (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26|) 0))))} is VALID [2022-02-21 00:00:37,781 INFO L290 TraceCheckUtils]: 22: Hoare triple {6648#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| Int)) (or (and (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26|) 0))))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6648#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| Int)) (or (and (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26|) 0))))} is VALID [2022-02-21 00:00:37,781 INFO L290 TraceCheckUtils]: 21: Hoare triple {6648#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| Int)) (or (and (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26|) 0))))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6648#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| Int)) (or (and (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26|) 0))))} is VALID [2022-02-21 00:00:37,782 INFO L290 TraceCheckUtils]: 20: Hoare triple {6648#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| Int)) (or (and (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26|) 0))))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {6648#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| Int)) (or (and (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26|) 0))))} is VALID [2022-02-21 00:00:37,782 INFO L290 TraceCheckUtils]: 19: Hoare triple {6423#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {6648#(forall ((|v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| Int)) (or (and (<= 0 |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (not (= |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) (not (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~new_head~0#1.base_26|) 0))))} is VALID [2022-02-21 00:00:37,782 INFO L290 TraceCheckUtils]: 18: Hoare triple {6423#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6423#true} is VALID [2022-02-21 00:00:37,783 INFO L290 TraceCheckUtils]: 17: Hoare triple {6423#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6423#true} is VALID [2022-02-21 00:00:37,783 INFO L290 TraceCheckUtils]: 16: Hoare triple {6423#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6423#true} is VALID [2022-02-21 00:00:37,783 INFO L290 TraceCheckUtils]: 15: Hoare triple {6423#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6423#true} is VALID [2022-02-21 00:00:37,783 INFO L290 TraceCheckUtils]: 14: Hoare triple {6423#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {6423#true} is VALID [2022-02-21 00:00:37,783 INFO L290 TraceCheckUtils]: 13: Hoare triple {6423#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {6423#true} is VALID [2022-02-21 00:00:37,783 INFO L290 TraceCheckUtils]: 12: Hoare triple {6423#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {6423#true} is VALID [2022-02-21 00:00:37,783 INFO L290 TraceCheckUtils]: 11: Hoare triple {6423#true} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {6423#true} is VALID [2022-02-21 00:00:37,783 INFO L290 TraceCheckUtils]: 10: Hoare triple {6423#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {6423#true} is VALID [2022-02-21 00:00:37,783 INFO L290 TraceCheckUtils]: 9: Hoare triple {6423#true} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {6423#true} is VALID [2022-02-21 00:00:37,783 INFO L290 TraceCheckUtils]: 8: Hoare triple {6423#true} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {6423#true} is VALID [2022-02-21 00:00:37,784 INFO L290 TraceCheckUtils]: 7: Hoare triple {6423#true} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {6423#true} is VALID [2022-02-21 00:00:37,784 INFO L290 TraceCheckUtils]: 6: Hoare triple {6423#true} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {6423#true} is VALID [2022-02-21 00:00:37,784 INFO L290 TraceCheckUtils]: 5: Hoare triple {6423#true} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {6423#true} is VALID [2022-02-21 00:00:37,784 INFO L290 TraceCheckUtils]: 4: Hoare triple {6423#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {6423#true} is VALID [2022-02-21 00:00:37,784 INFO L290 TraceCheckUtils]: 3: Hoare triple {6423#true} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {6423#true} is VALID [2022-02-21 00:00:37,784 INFO L290 TraceCheckUtils]: 2: Hoare triple {6423#true} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {6423#true} is VALID [2022-02-21 00:00:37,784 INFO L290 TraceCheckUtils]: 1: Hoare triple {6423#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {6423#true} is VALID [2022-02-21 00:00:37,784 INFO L290 TraceCheckUtils]: 0: Hoare triple {6423#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {6423#true} is VALID [2022-02-21 00:00:37,785 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 26 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-02-21 00:00:37,785 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382489718] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-21 00:00:37,785 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-21 00:00:37,785 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14, 14] total 42 [2022-02-21 00:00:37,785 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832528541] [2022-02-21 00:00:37,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-21 00:00:37,786 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 2.5952380952380953) internal successors, (109), 43 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-02-21 00:00:37,786 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-21 00:00:37,786 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 43 states, 42 states have (on average 2.5952380952380953) internal successors, (109), 43 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:37,860 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 109 edges. 108 inductive. 0 not inductive. 1 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:37,861 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-02-21 00:00:37,861 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 00:00:37,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-02-21 00:00:37,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1659, Unknown=5, NotChecked=0, Total=1806 [2022-02-21 00:00:37,862 INFO L87 Difference]: Start difference. First operand 76 states and 81 transitions. Second operand has 43 states, 42 states have (on average 2.5952380952380953) internal successors, (109), 43 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:40,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:40,178 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2022-02-21 00:00:40,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-21 00:00:40,179 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 2.5952380952380953) internal successors, (109), 43 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2022-02-21 00:00:40,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-21 00:00:40,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 2.5952380952380953) internal successors, (109), 43 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:40,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 82 transitions. [2022-02-21 00:00:40,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 2.5952380952380953) internal successors, (109), 43 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:40,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 82 transitions. [2022-02-21 00:00:40,180 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states and 82 transitions. [2022-02-21 00:00:40,260 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 82 edges. 82 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 00:00:40,261 INFO L225 Difference]: With dead ends: 81 [2022-02-21 00:00:40,261 INFO L226 Difference]: Without dead ends: 81 [2022-02-21 00:00:40,262 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 68 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 858 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=371, Invalid=3046, Unknown=5, NotChecked=0, Total=3422 [2022-02-21 00:00:40,263 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 55 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 226 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-02-21 00:00:40,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [55 Valid, 353 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 576 Invalid, 0 Unknown, 226 Unchecked, 0.6s Time] [2022-02-21 00:00:40,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-02-21 00:00:40,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 78. [2022-02-21 00:00:40,264 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 00:00:40,265 INFO L82 GeneralOperation]: Start isEquivalent. First operand 81 states. Second operand has 78 states, 68 states have (on average 1.2205882352941178) internal successors, (83), 77 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:40,265 INFO L74 IsIncluded]: Start isIncluded. First operand 81 states. Second operand has 78 states, 68 states have (on average 1.2205882352941178) internal successors, (83), 77 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:40,265 INFO L87 Difference]: Start difference. First operand 81 states. Second operand has 78 states, 68 states have (on average 1.2205882352941178) internal successors, (83), 77 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:40,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:40,266 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2022-02-21 00:00:40,266 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2022-02-21 00:00:40,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:40,266 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:40,266 INFO L74 IsIncluded]: Start isIncluded. First operand has 78 states, 68 states have (on average 1.2205882352941178) internal successors, (83), 77 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 81 states. [2022-02-21 00:00:40,266 INFO L87 Difference]: Start difference. First operand has 78 states, 68 states have (on average 1.2205882352941178) internal successors, (83), 77 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 81 states. [2022-02-21 00:00:40,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 00:00:40,267 INFO L93 Difference]: Finished difference Result 81 states and 85 transitions. [2022-02-21 00:00:40,267 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 85 transitions. [2022-02-21 00:00:40,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 00:00:40,268 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 00:00:40,268 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 00:00:40,268 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 00:00:40,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 68 states have (on average 1.2205882352941178) internal successors, (83), 77 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:40,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 83 transitions. [2022-02-21 00:00:40,269 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 83 transitions. Word has length 43 [2022-02-21 00:00:40,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-21 00:00:40,269 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 83 transitions. [2022-02-21 00:00:40,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 2.5952380952380953) internal successors, (109), 43 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 00:00:40,270 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 83 transitions. [2022-02-21 00:00:40,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-02-21 00:00:40,270 INFO L506 BasicCegarLoop]: Found error trace [2022-02-21 00:00:40,270 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 00:00:40,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-02-21 00:00:40,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-02-21 00:00:40,483 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 31 more)] === [2022-02-21 00:00:40,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 00:00:40,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1163623530, now seen corresponding path program 1 times [2022-02-21 00:00:40,484 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 00:00:40,484 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220740449] [2022-02-21 00:00:40,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:40,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 00:00:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:41,437 INFO L290 TraceCheckUtils]: 0: Hoare triple {7081#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {7081#true} is VALID [2022-02-21 00:00:41,438 INFO L290 TraceCheckUtils]: 1: Hoare triple {7081#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {7083#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,438 INFO L290 TraceCheckUtils]: 2: Hoare triple {7083#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {7083#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,439 INFO L290 TraceCheckUtils]: 3: Hoare triple {7083#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {7083#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,439 INFO L290 TraceCheckUtils]: 4: Hoare triple {7083#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {7083#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,440 INFO L290 TraceCheckUtils]: 5: Hoare triple {7083#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {7083#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,440 INFO L290 TraceCheckUtils]: 6: Hoare triple {7083#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {7084#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:41,440 INFO L290 TraceCheckUtils]: 7: Hoare triple {7084#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {7084#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:41,441 INFO L290 TraceCheckUtils]: 8: Hoare triple {7084#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {7084#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:41,441 INFO L290 TraceCheckUtils]: 9: Hoare triple {7084#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7084#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:41,442 INFO L290 TraceCheckUtils]: 10: Hoare triple {7084#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7084#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:41,442 INFO L290 TraceCheckUtils]: 11: Hoare triple {7084#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {7085#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,443 INFO L290 TraceCheckUtils]: 12: Hoare triple {7085#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {7085#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,443 INFO L290 TraceCheckUtils]: 13: Hoare triple {7085#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {7085#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,444 INFO L290 TraceCheckUtils]: 14: Hoare triple {7085#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {7085#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,444 INFO L290 TraceCheckUtils]: 15: Hoare triple {7085#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7086#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,445 INFO L290 TraceCheckUtils]: 16: Hoare triple {7086#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7086#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,445 INFO L290 TraceCheckUtils]: 17: Hoare triple {7086#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {7086#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,446 INFO L290 TraceCheckUtils]: 18: Hoare triple {7086#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {7087#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,446 INFO L290 TraceCheckUtils]: 19: Hoare triple {7087#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {7088#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,447 INFO L290 TraceCheckUtils]: 20: Hoare triple {7088#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {7088#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,448 INFO L290 TraceCheckUtils]: 21: Hoare triple {7088#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7089#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,448 INFO L290 TraceCheckUtils]: 22: Hoare triple {7089#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7090#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,449 INFO L290 TraceCheckUtils]: 23: Hoare triple {7090#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {7091#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,450 INFO L290 TraceCheckUtils]: 24: Hoare triple {7091#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {7092#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 0)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:41,451 INFO L290 TraceCheckUtils]: 25: Hoare triple {7092#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 0)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {7093#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:41,452 INFO L290 TraceCheckUtils]: 26: Hoare triple {7093#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {7093#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:41,453 INFO L290 TraceCheckUtils]: 27: Hoare triple {7093#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7094#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:41,454 INFO L290 TraceCheckUtils]: 28: Hoare triple {7094#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7094#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:41,455 INFO L290 TraceCheckUtils]: 29: Hoare triple {7094#(and (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 8))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {7095#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,456 INFO L290 TraceCheckUtils]: 30: Hoare triple {7095#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {7096#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:41,457 INFO L290 TraceCheckUtils]: 31: Hoare triple {7096#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} assume !(dll_circular_create_~len#1 > 1); {7096#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:41,458 INFO L290 TraceCheckUtils]: 32: Hoare triple {7096#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)))) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {7097#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:41,459 INFO L290 TraceCheckUtils]: 33: Hoare triple {7097#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {7098#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} is VALID [2022-02-21 00:00:41,460 INFO L290 TraceCheckUtils]: 34: Hoare triple {7098#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4))) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {7099#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4) |ULTIMATE.start_dll_circular_create_#res#1.offset|) (not (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4))) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4)) |ULTIMATE.start_dll_circular_create_#res#1.offset|) |ULTIMATE.start_main_~data_init~0#1|))} is VALID [2022-02-21 00:00:41,460 INFO L290 TraceCheckUtils]: 35: Hoare triple {7099#(and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4) |ULTIMATE.start_dll_circular_create_#res#1.offset|) (not (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4))) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_#res#1.base|) 4)) |ULTIMATE.start_dll_circular_create_#res#1.offset|) |ULTIMATE.start_main_~data_init~0#1|))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~data_new~0#1 := 1;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset; {7100#(and (not (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) |ULTIMATE.start_main_~head~1#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))))} is VALID [2022-02-21 00:00:41,461 INFO L290 TraceCheckUtils]: 36: Hoare triple {7100#(and (not (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) |ULTIMATE.start_main_~head~1#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {7100#(and (not (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) |ULTIMATE.start_main_~head~1#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))))} is VALID [2022-02-21 00:00:41,461 INFO L290 TraceCheckUtils]: 37: Hoare triple {7100#(and (not (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) |ULTIMATE.start_main_~head~1#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {7100#(and (not (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) |ULTIMATE.start_main_~head~1#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))))} is VALID [2022-02-21 00:00:41,462 INFO L290 TraceCheckUtils]: 38: Hoare triple {7100#(and (not (= |ULTIMATE.start_main_~ptr~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4)))) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) |ULTIMATE.start_main_~head~1#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {7101#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) |ULTIMATE.start_main_~head~1#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))))} is VALID [2022-02-21 00:00:41,462 INFO L290 TraceCheckUtils]: 39: Hoare triple {7101#(and (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))) |ULTIMATE.start_main_~head~1#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~ptr~0#1.base|) (+ |ULTIMATE.start_main_~ptr~0#1.offset| 4))))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4); srcloc: L609-1 {7102#(and (= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem8#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_#t~mem8#1.offset|))} is VALID [2022-02-21 00:00:41,463 INFO L290 TraceCheckUtils]: 40: Hoare triple {7102#(and (= (select (select |#memory_int| |ULTIMATE.start_main_#t~mem8#1.base|) |ULTIMATE.start_main_~head~1#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_#t~mem8#1.offset|))} main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset;main_#t~post9#1 := main_~data_new~0#1;main_~data_new~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; {7103#(and (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) |ULTIMATE.start_main_~ptr~0#1.offset|)))} is VALID [2022-02-21 00:00:41,463 INFO L290 TraceCheckUtils]: 41: Hoare triple {7103#(and (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) |ULTIMATE.start_main_~ptr~0#1.offset|)))} assume !!(main_~ptr~0#1.base != main_~head~1#1.base || main_~ptr~0#1.offset != main_~head~1#1.offset); {7104#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) |ULTIMATE.start_main_~ptr~0#1.offset|))} is VALID [2022-02-21 00:00:41,464 INFO L290 TraceCheckUtils]: 42: Hoare triple {7104#(= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) |ULTIMATE.start_main_~ptr~0#1.offset|))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {7105#(= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_~data_init~0#1|)} is VALID [2022-02-21 00:00:41,464 INFO L290 TraceCheckUtils]: 43: Hoare triple {7105#(= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_~data_init~0#1|)} assume main_~data_init~0#1 != main_#t~mem7#1;havoc main_#t~mem7#1; {7082#false} is VALID [2022-02-21 00:00:41,464 INFO L290 TraceCheckUtils]: 44: Hoare triple {7082#false} assume !false; {7082#false} is VALID [2022-02-21 00:00:41,464 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:41,464 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 00:00:41,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220740449] [2022-02-21 00:00:41,464 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220740449] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-21 00:00:41,464 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293729980] [2022-02-21 00:00:41,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 00:00:41,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-21 00:00:41,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 00:00:41,466 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-21 00:00:41,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-02-21 00:00:41,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:41,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 111 conjunts are in the unsatisfiable core [2022-02-21 00:00:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 00:00:41,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-21 00:00:41,917 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-02-21 00:00:41,917 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-02-21 00:00:42,106 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-02-21 00:00:42,106 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-02-21 00:00:42,232 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-02-21 00:00:42,335 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-21 00:00:42,545 INFO L356 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2022-02-21 00:00:42,545 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2022-02-21 00:00:42,622 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-21 00:00:42,629 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-21 00:00:42,635 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-02-21 00:00:42,699 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-02-21 00:00:42,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:42,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-21 00:00:42,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:42,718 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-21 00:00:42,778 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-02-21 00:00:42,778 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 74 [2022-02-21 00:00:42,792 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24 [2022-02-21 00:00:42,801 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2022-02-21 00:00:42,973 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 32 [2022-02-21 00:00:42,998 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2022-02-21 00:00:43,023 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-02-21 00:00:43,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:43,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:43,223 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:43,225 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-21 00:00:43,225 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 44 [2022-02-21 00:00:43,279 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2022-02-21 00:00:43,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:43,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:43,325 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-02-21 00:00:43,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:43,903 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-02-21 00:00:43,903 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 73 treesize of output 50 [2022-02-21 00:00:43,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:43,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-02-21 00:00:43,935 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-02-21 00:00:43,971 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2022-02-21 00:00:44,134 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:44,141 INFO L356 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2022-02-21 00:00:44,142 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 39 [2022-02-21 00:00:44,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:44,166 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 10 [2022-02-21 00:00:44,302 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-02-21 00:00:44,329 INFO L290 TraceCheckUtils]: 0: Hoare triple {7081#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(27, 2); {7081#true} is VALID [2022-02-21 00:00:44,329 INFO L290 TraceCheckUtils]: 1: Hoare triple {7081#true} assume { :end_inline_ULTIMATE.init } true;main_old_#valid#1 := #valid;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~mem7#1, main_#t~mem8#1.base, main_#t~mem8#1.offset, main_#t~post9#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_~temp~0#1.base, main_~temp~0#1.offset, main_~len~0#1, main_~data_init~0#1, main_~head~1#1.base, main_~head~1#1.offset, main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset;main_~len~0#1 := 5;main_~data_init~0#1 := 1;assume { :begin_inline_dll_circular_create } true;dll_circular_create_#in~len#1, dll_circular_create_#in~data#1 := main_~len~0#1, main_~data_init~0#1;havoc dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset, dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset, dll_circular_create_#t~post5#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~len#1, dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset;dll_circular_create_~len#1 := dll_circular_create_#in~len#1;dll_circular_create_~data#1 := dll_circular_create_#in~data#1;call dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset := dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset;havoc dll_circular_create_#t~malloc3#1.base, dll_circular_create_#t~malloc3#1.offset; {7112#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:44,330 INFO L290 TraceCheckUtils]: 2: Hoare triple {7112#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !(0 == dll_circular_create_~last~0#1.base && 0 == dll_circular_create_~last~0#1.offset); {7112#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:44,331 INFO L290 TraceCheckUtils]: 3: Hoare triple {7112#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L577-1 {7112#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:44,331 INFO L290 TraceCheckUtils]: 4: Hoare triple {7112#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~last~0#1.base, 8 + dll_circular_create_~last~0#1.offset, 4); srcloc: L580 {7112#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:44,332 INFO L290 TraceCheckUtils]: 5: Hoare triple {7112#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, 4); srcloc: L581 {7112#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:44,332 INFO L290 TraceCheckUtils]: 6: Hoare triple {7112#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset; {7128#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:44,333 INFO L290 TraceCheckUtils]: 7: Hoare triple {7128#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {7128#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:44,333 INFO L290 TraceCheckUtils]: 8: Hoare triple {7128#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {7128#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:44,334 INFO L290 TraceCheckUtils]: 9: Hoare triple {7128#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7128#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:44,334 INFO L290 TraceCheckUtils]: 10: Hoare triple {7128#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7128#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} is VALID [2022-02-21 00:00:44,335 INFO L290 TraceCheckUtils]: 11: Hoare triple {7128#(and (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {7144#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:44,335 INFO L290 TraceCheckUtils]: 12: Hoare triple {7144#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {7144#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:44,336 INFO L290 TraceCheckUtils]: 13: Hoare triple {7144#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {7151#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:44,337 INFO L290 TraceCheckUtils]: 14: Hoare triple {7151#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {7151#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:44,337 INFO L290 TraceCheckUtils]: 15: Hoare triple {7151#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7151#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:44,338 INFO L290 TraceCheckUtils]: 16: Hoare triple {7151#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7151#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:44,339 INFO L290 TraceCheckUtils]: 17: Hoare triple {7151#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {7151#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} is VALID [2022-02-21 00:00:44,339 INFO L290 TraceCheckUtils]: 18: Hoare triple {7151#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {7167#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:44,340 INFO L290 TraceCheckUtils]: 19: Hoare triple {7167#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {7171#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:44,341 INFO L290 TraceCheckUtils]: 20: Hoare triple {7171#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {7171#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:44,342 INFO L290 TraceCheckUtils]: 21: Hoare triple {7171#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7171#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:44,347 INFO L290 TraceCheckUtils]: 22: Hoare triple {7171#(and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| |ULTIMATE.start_dll_circular_create_~data#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7181#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:44,349 INFO L290 TraceCheckUtils]: 23: Hoare triple {7181#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {7185#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (exists ((|ULTIMATE.start_dll_circular_create_~head~0#1.base| Int)) (and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:44,350 INFO L290 TraceCheckUtils]: 24: Hoare triple {7185#(and (= (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |ULTIMATE.start_main_~data_init~0#1|) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (exists ((|ULTIMATE.start_dll_circular_create_~head~0#1.base| Int)) (and (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {7189#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (exists ((|v_ULTIMATE.start_dll_circular_create_~head~0#1.base_28| Int)) (and (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |v_ULTIMATE.start_dll_circular_create_~head~0#1.base_28|)) (not (= |v_ULTIMATE.start_dll_circular_create_~head~0#1.base_28| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~head~0#1.base_28|) 1))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:44,351 INFO L290 TraceCheckUtils]: 25: Hoare triple {7189#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select |#valid| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) 1) (exists ((|v_ULTIMATE.start_dll_circular_create_~head~0#1.base_28| Int)) (and (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |v_ULTIMATE.start_dll_circular_create_~head~0#1.base_28|)) (not (= |v_ULTIMATE.start_dll_circular_create_~head~0#1.base_28| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select |#valid| |v_ULTIMATE.start_dll_circular_create_~head~0#1.base_28|) 1))) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} assume !!(dll_circular_create_~len#1 > 1);call dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset := dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset;havoc dll_circular_create_#t~malloc4#1.base, dll_circular_create_#t~malloc4#1.offset; {7193#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:44,352 INFO L290 TraceCheckUtils]: 26: Hoare triple {7193#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} assume !(0 == dll_circular_create_~new_head~0#1.base && 0 == dll_circular_create_~new_head~0#1.offset); {7193#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:44,353 INFO L290 TraceCheckUtils]: 27: Hoare triple {7193#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~new_head~0#1.base, 4 + dll_circular_create_~new_head~0#1.offset, 4); srcloc: L586-1 {7200#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:44,354 INFO L290 TraceCheckUtils]: 28: Hoare triple {7200#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} SUMMARY for call write~int(dll_circular_create_~data#1, dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, 4); srcloc: L589 {7200#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:44,355 INFO L290 TraceCheckUtils]: 29: Hoare triple {7200#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L590 {7207#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) 0) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} is VALID [2022-02-21 00:00:44,356 INFO L290 TraceCheckUtils]: 30: Hoare triple {7207#(and (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) 0) |ULTIMATE.start_main_~data_init~0#1|) (= |ULTIMATE.start_main_~data_init~0#1| 1) (not (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 0))} dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset := dll_circular_create_~new_head~0#1.base, dll_circular_create_~new_head~0#1.offset;dll_circular_create_#t~post5#1 := dll_circular_create_~len#1;dll_circular_create_~len#1 := dll_circular_create_#t~post5#1 - 1;havoc dll_circular_create_#t~post5#1; {7211#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 0)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:44,357 INFO L290 TraceCheckUtils]: 31: Hoare triple {7211#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 0)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} assume !(dll_circular_create_~len#1 > 1); {7211#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 0)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} is VALID [2022-02-21 00:00:44,359 INFO L290 TraceCheckUtils]: 32: Hoare triple {7211#(and (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 0)) (not (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))} SUMMARY for call write~$Pointer$(dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset, dll_circular_create_~last~0#1.base, 4 + dll_circular_create_~last~0#1.offset, 4); srcloc: L584-3 {7218#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 0)))} is VALID [2022-02-21 00:00:44,360 INFO L290 TraceCheckUtils]: 33: Hoare triple {7218#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 0)))} SUMMARY for call write~$Pointer$(dll_circular_create_~last~0#1.base, dll_circular_create_~last~0#1.offset, dll_circular_create_~head~0#1.base, 8 + dll_circular_create_~head~0#1.offset, 4); srcloc: L595 {7218#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 0)))} is VALID [2022-02-21 00:00:44,362 INFO L290 TraceCheckUtils]: 34: Hoare triple {7218#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) |ULTIMATE.start_dll_circular_create_~head~0#1.offset|) (= |ULTIMATE.start_dll_circular_create_~head~0#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~last~0#1.base|)))) (= |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 0) (not (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) |ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4)) 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~head~0#1.base|) (+ |ULTIMATE.start_dll_circular_create_~head~0#1.offset| 4))) 0)))} dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset := dll_circular_create_~head~0#1.base, dll_circular_create_~head~0#1.offset; {7225#(and (= |ULTIMATE.start_main_~data_init~0#1| 1) (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 0) (not (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4))) (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) 0)))) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} is VALID [2022-02-21 00:00:44,363 INFO L290 TraceCheckUtils]: 35: Hoare triple {7225#(and (= |ULTIMATE.start_main_~data_init~0#1| 1) (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 0) (not (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4))) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4))) (= |ULTIMATE.start_dll_circular_create_#res#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) 0)))) (= |ULTIMATE.start_dll_circular_create_#res#1.offset| 0))} main_#t~ret6#1.base, main_#t~ret6#1.offset := dll_circular_create_#res#1.base, dll_circular_create_#res#1.offset;assume { :end_inline_dll_circular_create } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;main_~data_new~0#1 := 1;main_~ptr~0#1.base, main_~ptr~0#1.offset := main_~head~1#1.base, main_~head~1#1.offset; {7229#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 0) (not (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4))) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4))) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) 0)))) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:44,364 INFO L290 TraceCheckUtils]: 36: Hoare triple {7229#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 0) (not (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4))) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4))) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) 0)))) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {7229#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 0) (not (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4))) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4))) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) 0)))) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:44,365 INFO L290 TraceCheckUtils]: 37: Hoare triple {7229#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 0) (not (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4))) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4))) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) 0)))) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} assume !(main_~data_init~0#1 != main_#t~mem7#1);havoc main_#t~mem7#1; {7229#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 0) (not (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4))) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4))) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) 0)))) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:44,367 INFO L290 TraceCheckUtils]: 38: Hoare triple {7229#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 0) (not (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4))) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4))) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) 0)))) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call write~int(main_~data_new~0#1, main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L609 {7229#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 0) (not (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4))) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4))) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) 0)))) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} is VALID [2022-02-21 00:00:44,368 INFO L290 TraceCheckUtils]: 39: Hoare triple {7229#(and (exists ((|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (and (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) 0) (not (= |ULTIMATE.start_dll_circular_create_~last~0#1.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4))) (= |ULTIMATE.start_main_~head~1#1.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) (not (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4) (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4))) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |ULTIMATE.start_dll_circular_create_~last~0#1.base|) 4)) 4)) 0)))) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~head~1#1.offset| |ULTIMATE.start_main_~ptr~0#1.offset|) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|))} SUMMARY for call main_#t~mem8#1.base, main_#t~mem8#1.offset := read~$Pointer$(main_~ptr~0#1.base, 4 + main_~ptr~0#1.offset, 4); srcloc: L609-1 {7242#(and (= |ULTIMATE.start_main_#t~mem8#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_#t~mem8#1.base|) 0)) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (not (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)))} is VALID [2022-02-21 00:00:44,369 INFO L290 TraceCheckUtils]: 40: Hoare triple {7242#(and (= |ULTIMATE.start_main_#t~mem8#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_#t~mem8#1.base|) 0)) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (not (= |ULTIMATE.start_main_~head~1#1.base| |ULTIMATE.start_main_#t~mem8#1.base|)))} main_~ptr~0#1.base, main_~ptr~0#1.offset := main_#t~mem8#1.base, main_#t~mem8#1.offset;havoc main_#t~mem8#1.base, main_#t~mem8#1.offset;main_#t~post9#1 := main_~data_new~0#1;main_~data_new~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; {7246#(and (not (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) 0)))} is VALID [2022-02-21 00:00:44,369 INFO L290 TraceCheckUtils]: 41: Hoare triple {7246#(and (not (= |ULTIMATE.start_main_~ptr~0#1.base| |ULTIMATE.start_main_~head~1#1.base|)) (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~head~1#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) 0)))} assume !!(main_~ptr~0#1.base != main_~head~1#1.base || main_~ptr~0#1.offset != main_~head~1#1.offset); {7250#(and (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) 0)))} is VALID [2022-02-21 00:00:44,370 INFO L290 TraceCheckUtils]: 42: Hoare triple {7250#(and (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_~ptr~0#1.offset| 0) (= |ULTIMATE.start_main_~data_init~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~ptr~0#1.base|) 0)))} SUMMARY for call main_#t~mem7#1 := read~int(main_~ptr~0#1.base, main_~ptr~0#1.offset, 4); srcloc: L605-3 {7254#(and (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_~data_init~0#1|))} is VALID [2022-02-21 00:00:44,370 INFO L290 TraceCheckUtils]: 43: Hoare triple {7254#(and (= |ULTIMATE.start_main_~data_init~0#1| 1) (= |ULTIMATE.start_main_#t~mem7#1| |ULTIMATE.start_main_~data_init~0#1|))} assume main_~data_init~0#1 != main_#t~mem7#1;havoc main_#t~mem7#1; {7082#false} is VALID [2022-02-21 00:00:44,370 INFO L290 TraceCheckUtils]: 44: Hoare triple {7082#false} assume !false; {7082#false} is VALID [2022-02-21 00:00:44,371 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 00:00:44,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-21 00:00:46,767 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:46,776 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:46,776 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 241 treesize of output 207 [2022-02-21 00:00:46,923 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:46,924 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1537 treesize of output 1515 [2022-02-21 00:00:46,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:46,962 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:46,963 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 1499 treesize of output 1179 [2022-02-21 00:00:47,106 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-02-21 00:00:47,106 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11955 treesize of output 11753 [2022-02-21 00:00:47,187 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:47,255 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13945 treesize of output 13529 [2022-02-21 00:00:47,443 INFO L173 IndexEqualityManager]: detected equality via solver [2022-02-21 00:00:47,489 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13674 treesize of output 13254